Anno
(*) N° Edizione Titolo

1896	12,039	4a	Improvements in transmitting electrical impulses and signals in apparatus therefor
1898	12,325	3a	Improvements in apparatus employed in wireless telegraphy
1898	12,326	4a	Improvements in apparatus employed in wireless telegraphy
1899	5657	2a	Improvements in apparatus employed in wireless telegraphy
1899	6982	3a	Improvements in apparatus employed in wireless telegraphy
1899	25,186	3a	Improvements in apparatus employed in wireless telegraphy
1900	18,865	2a	Improvements in apparatus for the production of electrical oscillations
1900	20,576	3a	Improvements in apparatus for signalling by wireless telegraphy
1900	22,126	2a	Improvements in apparatus for wireless telegraphy
1900	7777	5a	Improvements in apparatus for wireless telegraphy
1900	23,163	3a	Improvements in portable apparatus for wireless telegraphy for military and other purposes
1901	409	2a	Improvements in apparatus for wireless telegraphy
1901	410	2a	Improvements in apparatus for wireless telegraphy
1901	3481	2a	Improvements in apparatus for wireless telegraphy
1901	18,105	2a	Improvements in coherers or detectors for electrical waves
1901	24,825	2a	Improvements in methods for producing electric waves
1901	411	2a	Improvements in apparatus for wireless telegraphy
1902	10,245	4a	Improvements in receivers suitable for wireless telegraphy
1902	25,658	2a	Improvements in apparatus for wireless telegraphy
1903	25,381		Improvements in circuit breakers and closers especially suitable for the trasmitting instruments used in wireless telegraphy
1903	25,382	2a	Improvements in telegraphic signalling keys
1903	25,383	2a	Improvements in the transmitting instruments for wireless telegraphy
1903	15,015	2a	Improvements in contact especially suitable for induction coils
1903	15,199	2a	Improvements in induction coil for the ignition apparatus for motors
1904	5113	2a	Improvements in transmitters suitable for wireless telegraphy
1904	21,640	2a	Improvements in apparatus for wireless telegraphy
1904	21,641	2a	Improvements in safety devices in connection with radio telegraphic transmission circuits

Anno
(*) N° Edizione Titolo

1904	21,641	2a	Improvements in safety devices in connection with radio telegraphic transmission circuits
1904	26,748	2a	Improvements in apparatus for controlling telegraphic recorders and other instruments
1904	27,683	2a	Improvements in instruments for the measurement of wave lenghts in wireless telegraphy
1905	1681	2a	Improvements in insulators for electric conductors
1905	14,788	2a	Improvements in or relating to wireless telegraphy
1905	16,656	2a	Improvements in tremblers for electric sparking apparatus
1906	15,909	2a	Improvements in and relating to variable electric condensers
1906	15,910	2a	Improvements in electric sparking mechanism, applicable especially for effecting ignition in internal combustion engines
1905	3127	2a	Improved apparatus for use in connection with electric wave telegraphy
1907	4593	3a	Improvements in transmitting apparatus for wireless telegraphy
1907	887	2a	Improvements in receivers for wireless telegraphy
1907	8462	3a	Improvements in apparatus for wireless telegraphy
1907	8463	3a	Improvements in apparatus for wireless telegraphy
1907	12,827		Improved means for governing engines
1907	12,960	2a	Improvements in receiving apparatus for wireless telegraphy
1907	20,119	2a	Improvements in transmitters for wireless telegraphy
1907	21,651		Improvements for receivers for wireless telegraphy
1908	13,518	2a	Improvements in instruments for detecting electric oscillations
1908	16,546	2a	Improvements in apparatus for wireless telegraphy
1908	17,505	2a	Improvements in apparatus for wireless telegraphy
1908	26,588		Improvementsin apparatus for measuring electro-magnetic wave lenghts
1909	11,544	2a	Improvements in apparatus for wireless telegraphy
1909	20,230	2a	Improvements in wireless telegraph transmitting and receiving stations
1909	185	2a	Improvements in instruments for measuring the decrement of electromagnetic oscillations
1909	4125	2a	Improvements in receivers for wireless telegraphy
1909	8581		Improvements in apparatus for wireless telegraphy
1909	8582	2a	Improvements in transmitters for wireless telegraphy
1909	18,524	2a	Improvements in transmitting apparatus for wireless telegraphy
1909	18,922	2a	Improvements in receiving apparatus for wireless telegraphy

Anno
(*) N° Edizione Titolo

1909	20,229	2a	Improvements in transmitting apparatus for wireless telegraphy
1910	11,359	2a	Improvements in portable apparatus for wireless telegraphy
1910	11,360		Improved means for carrying portable motors and dynamos on horseback
1910	20,441	3a	Improvements in receiving apparatus for wireless telegraphy
1910	23,242		Improvements in transmitting apparatus for wireless telegraphy
1910	4910	2a	Improvements in wireless telegraph receiving stations
1911	13,020	2a	Improvements in installations for wireless telegraphy
1912	86	2a	Improvements in wireless telegraph receivers
1912	2456	2a	Improvements in aerial conductors used in wireless telegraphy
1912	28,865	2a	Improvements in wireless telegraph transmitters
1912	3055	2a	Improvements in wireless telegraph receiving apparatus
1913	802		Improved means for generatins alternating electric currents
1913	2918	2a	Improvements in transmitting apparatus for use in wireless
1913	2919	2a	Improvements in transmitting apparatus for use in wireless telegraphy and telephony
1913	11,106	2a	Improvements in wireless telegraphy
1913	11,371	2a	Improvements in wireless telegraph transmitters
1913	11,453	2a	Improved means for detecting continuous electrical oscillations
1913	13,636	2a	Improvements in receivers for use in wireless telegraphy and telephony
1913	13,637	3a	Improved means for increasing the frequency of alternating currents
1913	18,326	2a	Improvements in wireless telegraph receivers
1913	21,672	2a	Improvements in the connections of electrical condensers
1913	23,340		Improved means for operating gas valves from a distance
1913	23,557		Improvements in high frequency alternators
1913	27,480	2a	Improvements in receivers for wireless telegrapgy
1913	28,413	2a	Improvements in receivers for wireless telegraphy
1914	13,247	2a	Improvements in or relating to vacuous tubes used as magnifiers and producers of continuous electrical oscillations
1914	13,248	2a	Improvements in the production of continuous electrical oscillations and in the utilisation thereof for wireless telegraphy and telephony
1914	24,098	2a	Improvements in aerials for wireless signalling

Anno
(*) N° Edizione Titolo

1915	5,371		Improvements in the manufacture of electrical condensers
1915	5783	2a	Improvements in or connectede with aerial conductors for wireless telegraphy
1915	6476	2a	Improvements in or relating to the cathodes of vacuous tubes suitable for use in wireless telegraphy
1915	8926	2a	Improvements in wireless telegraph receivers
1915	8927	2a	Improvements in wireless telegraph receivers
1915	11,831	2a	Improvements in transmitters for wireless telephony
1915	16,151		Improvements in wireless telegraphy
1915	14,423	2a	Transformers for increasing the frequency of alternating electric currents
1915	17,954		Improved means for controlling the speed of a machine
1916	245		Improvements in receivers for wireless signals
1916	247		Improvements in receivers for wireless signals
1916	471		Improvements in electrical condensers
1916	731		Improvements in wireless telegraph transmitters
1916	732		Improvements in wireless telegraph transmitters
1916	1097		Improvements in lock nuts and the like
1916	3164		Improved means for suspending and insulating electrical conductors
1916	3165		Improvements in the studs or electrodes of electric discharges
1916	3166		Improvements in aereoplanes fitted with wireless telegraph apparatus
1916	2861	2a	Improvements in receivers for wireless signals
1916	9165		Improved means for controlling the speed of an electric motor
1916	9539		Improved apparatus for measuring the frequencyof electrical currents
1916	17,749		Improvements in wireless telegraph transmitters
1916	17,476		Improved method for multiplying the frequency of electric currents
1918	1172		Improvements in and connected with transmitting keys for use in electric telegraphy
1919	19,498		Improvements in thermionic devices for wireless telegraphy and telephony
1919	11,202		Improvements in thermionic transmitting devices for wireless telegraphy and telephony (invenzione brevettata da soggetto diverso dalla Marconi Wireless Telegraph Company)
1919	32,413		improvements in aerial systems employed in wireless signalling (invenzione brevettata da soggetto diverso dalla Marconi Wireless Telegraph Company)

Anno
(*) N° Edizione Titolo

1920	16,094		Improvements in vacuum tube apparatus and method of controlling same
1920	36,233		Improvement in wireless transmitting apparatus
1920	521,818		Brevet d'invention -Procédé et appareils pour la signalisation sans fil (demandé à l'Office National de la Proprièté Industrielle de la Republique Francaise)
1920	809		Improvements in wireless telegraph calling devices
1920	1007		Improvements in wireless direction finding means for aircraft
1920	4583		Improvements in crystal detectors of electric currents
1920	6079		Improvement in wireless telephony
1920	7376		Improvements in or connected with aerials
1920	7818		Improvements in winches
1920	9433		Improvements in or relating to thermionic realays or amplifiers
1920	8683		Improvements in thermionic devices
1920	9697		Improvements in or connected with wireless signalling systems
1920	94		Improvements in or releting to electric valve or lamp relay and intervalve trasformers
1920	13,160		Improvements in radiogonometers especially suitable for use in wireless direction finding
1920	15,274		Improvements in land line and wireless telephony
1920	23,109		Improvements in continuous wave telephony and telegraphy
1920	22,703		Improvements in and relating to the reception of wireless signals
1920	28,906		Improved means for controlling electric currents and for detecting or recording radio signals
1921	297		Improvements in or relating to aerials for use in wireless signalling
1921	4300		Improved means for supplying current to valve amplifiers employed in wireless signalling
1921	7029		Improvements in wireless telegraphy
1921	12,460		Improved means for obtaining high voltage electrical impulses
1921	8277		Improvements in the reception of continuous wave wireless signals
1921	3709		Improvements in wireless telegraph calling or alarm devices
1921	24,652		Improvements in wireless telegraph calling or alarm devices
1921	8730		Improved means for generating continuous electric oscillations
1921	14,573		Improvements in wireless signalling
1921	7887		Improvements in oscillating vale relays

Anno
(*) N° Edizione Titolo

1921	16,283		Improvements in electric calling devices
1921	16,639		Improved means for producing alternating electric currents
1921	16,799		Improved means for indicating the period of and or controllin electrical oscillations
1921	13,977		Improvements in or relating to thermionic devices
1921	21,280		Improved means for regulating the strenght of electric currents
1921	22,724		Improvements in calling devices adapted to be operated by wireless signals
1921	28,696		Improvements in arc generators of electric oscillations
1921	28,192		Improvements in or relating to thermionic valves
1921	27,197		Improvements in electrical condensers
1921	32,872		Improvements in wireless telegraph receiving apparatus
1922	6112		Improvements in the reception of wireless signals
1922 1923	8504 1332		Improvements in radio telegraph receiving systems
1922	5091		Improvements in wireless telegraph receiving systems
1922	11,154		Improvements in telegraphic contact making relays
1922	6239		Improvements in thermionic generators of high frequency electric oscillations
1922	15,365		Improvements in electrical condensers
1922	15,357		Improvements in wireless telegraph receiving ciruits
1922	16,718		Improvements in wireless direction finding apparatus
1922	17,693		Improved means indicating agular position particularity applicable to wireless direction-finding apparatus
1922	19,411		Improvements in the manufacture of thermionic valves and the like
1922	21,941		Improvements in telephone or like transmitters
1922	23,425		Improvements in electrical condensers especially applicable for use as telephone transmitters or receivers
1922	22,106		Improvements in telephones
1922	26,431		Improvements in telephones
1922	26,842		Improvements in thermionic valve circuits
1922	30,962		Improvements in wireless installations on vehicles such as automobiles
1923	459		Improvements in resistance coils
1923	1127		Improvements in variable electric condensers and in their manufacture
1923	2345		Improvements in wireless receivers
1923	3416		Improved means for reproducing sound
1923	3417		Improvements in thermionic valve circuits
1923	7413		Improvements in wireless aerials
1923	6123		Improvements in thermionic valve circuits

Anno
(*) N° Edizione Titolo

1923	14,299		Improvements in especially suitable for use in wireless telegraphy
1923	16,737		Improvements in radio transmitting systems
1923	17,144		Improvements in radio receivers
1923	19,117		Improved means for supporting the diaphragm of a telephone transmitter or receiver
1923	16,014		Improvements in thermionic valves
1923	19,836		Improvements in electric call apparatus
1923	19,493		Improvements in radio talegraphy and telephony
1923	16,179		Improvements in aerials for use in wireless signalling
1923	17,976		Improved means for generating electric oscillations of high frequency
1923	26,615		Improved means for obtaining rectilinear motion from the rotation of a shaft especially applicable for actuating the sliding contacts of electrical instruments
1923	26,849		Improvements in electrical condensers
1923	27,046		Improved means for cooling thermionic valves
1923	27,234		Improvements in or relating to winches
1923	29,199		Improvements in loud speakers
1923	30,089		Improvements in receiving and transmitting telephones including loud speakers
1923	31,667		Improvements in electrical transformers
1923	31,988		Improvements in high frequency telephone systems
1924	1086		Improvements in variable inductances
1924	2140		Improved means for receiving radio signals
1924	3129		Improvements in aerial receiving systems for wireless signalling
1924	3130		Improvements in radio receiving apparatus
1924	1304		Improvements in tuning devices for radio receiving sets
1924	5474		Improvements in microphones
1924	6155		Improvements in thermionic valves
1924	7264		Improved means for reversing the direction of the winding of and for shortcircuiting reaction coils
1924	9038		Improvements in radio signalling systems
1924	9039		Improved means for obtaining negative resistance effects and for generating electric oscillations
1924	9040		Improvements in radio receivers
1924	17,733		Improvements relating to means for obtaining negative resistance effects and for generating electric oscillations, and to radio receivers