The Complete
Guglielmo Marconi
U.S. Patent Collection
© 1998 - 2008 Mall USA, Inc.
by Jim Bieberich, Patent Historian
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The Complete Guglielmo Marconi U.S. Patent Collection by Jim Bieberich, Patent Historian |
| Patent # | Type | Co-Inventor | Applied | Granted | Claims | Pages | Description | |
| 1 | 586,193 | U | -- | 12/07/1896 | 07/13/1897 | 56 | 11 | Transmitting Electrical Signals |
| 2 | 624,516 | Ua | -- | 05/05/1899 | 05/09/1899 | 3 | 4 | Apparatus Employed In Wireless Telegraphy |
| 3 | 627,650 | Ua | -- | 01/05/1899 | 06/27/1899 | 8 | 3 | Apparatus Employed In Wireless Telegraphy |
| 4 | 647,007 | Ua | -- | 06/13/1899 | 04/10/1900 | 19 | 7 | Apparatus Employed In Wireless Telegraphy |
| 5 | 647,008 | Ua | -- | 12/26/1899 | 04/10/1900 | 4 | 5 | Apparatus Employed In Wireless Telegraphy |
| 6 | 647,009 | Ua | -- | 12/26/1899 | 04/10/1900 | 17 | 6 | Apparatus Employed In Wireless Telegraphy |
| 7 | 650,109 | Ua | -- | 10/12/1899 | 05/22/1900 | 4 | 3 | Apparatus Employed In Wireless Telegraphy |
| 8 | 650,110 | Ua | -- | 12/28/1899 | 05/22/1900 | 4 | 3 | Apparatus Employed In Wireless Telegraphy |
| 9 | 668,315 | Ua | -- | 07/17/1900 | 02/19/1901 | 4 | 3 | Receiver For Electrical Oscillations |
| 10 | 676,332 | Ua | -- | 02/23/1901 | 06/11/1901 | 5 | 5 | Apparatus For Wireless Telegraphy |
| 11 | re 11,913 | Uad | -- | 04/01/1901 | 06/04/1902 | 24 | 10 | Transmitting Electrical Impulses And Signals And Apparatus Therefor |
| 12 | 757,559 | Uac | -- | 11/19/1901 | 04/19/1904 | 10 | 5 | Wireless-Telegraph System |
| 13 | 760,463 | Ua | -- | 09/10/1903 | 05/24/1904 | 6 | 3 | Wireless Signaling System |
| 14 | 763,772 | Ua | -- | 11/10/1900 | 06/28/1904 | 20 | 7 | Apparatus For Wireless Telegraphy |
| 15 | 786,132 | Ua | -- | 10/13/1903 | 03/28/1905 | 6 | 3 | Wireless Telegraphy |
| 16 | 792,528 | Ua | -- | 01/27/1904 | 06/13/1905 | 5 | 3 | Wireless Telegraphy |
| 17 | 884,986 | Ua | -- | 11/28/1902 | 04/14/1908 | 31 | 5 | Wireless Telegraphy |
| 18 | 884,987 | Ua | -- | 02/02/1903 | 04/14/1908 | 15 | 4 | Wireless Telegraphy |
| 19 | 884,988 | Ua | -- | 02/02/1903 | 04/14/1908 | 18 | 4 | Detecting Electrical Oscillations |
| 20 | 884,989 | Ua | -- | 02/09/1904 | 04/14/1908 | 5 | 4 | Wireless Telegraphy |
| 21 | 896,130 | Ua | -- | 03/13/1907 | 08/18/1908 | 3 | 3 | Receiver For Wireless Telegraphy |
| 22 | 924,168 | Ua | -- | 11/27/1905 | 06/08/1909 | 5 | 5 | Wireless Signaling System |
| 23 | 924,560 | Ua | -- | 08/09/1906 | 06/08/1909 | 1 | 3 | Wireless Signaling System |
| 24 | 935,381 | Ua | -- | 10/01/1907 | 09/28/1909 | 16 | 4 | Transmitting Apparatus For Wireless Telegraphy |
| 25 | 935,382 | Ua | -- | 04/10/1908 | 09/28/1909 | 6 | 3 | Apparatus For Wireless Telegraphy |
| 26 | 935,383 | Ua | -- | 04/10/1908 | 09/28/1909 | 2 | 3 | Apparatus For Wireless Telegraphy |
| 27 | 954,640 | Uac | -- | 03/31/1909 | 04/12/1910 | 3 | 3 | Apparatus For Wireless Telegraphy |
| 28 | 954,641 | Ua | -- | 05/15/1909 | 04/12/1910 | 4 | 5 | Wireless Telegraphy |
| 29 | 997,308 | Ua | -- | 07/15/1910 | 07/11/1911 | 5 | 3 | Transmitting Apparatus For Wireless Telegraphy |
| 30 | 1,102,990 | Ua | -- | 01/27/1914 | 07/07/1914 | 3 | 3 | Means For Generating Alternating Electric Currents |
| 31 | 1,116,309 | Ua | -- | 05/01/1912 | 11/03/1914 | 43 | 8 | Duplex Wireless Telegraphy |
| 32 | 1,136,477 | Ua | -- | 12/31/1913 | 04/20/1915 | 7 | 3 | Transmitting Apparatus For Use In Wireless Telegraphy And Telephony |
| 33 | 1,148,521 | Ua | -- | 07/20/1908 | 08/03/1915 | 3 | 3 | Transmitter For Wireless Telegraphy |
| 34 | 1,226,099 | Ua | -- | 12/31/1913 | 05/15/1917 | 7 | 3 | Transmitting Apparatus For Use In Wireless Telegraphy And Telephony |
| 35 | 1,246,973 | Ua | Entwistle, William Snowley | 05/23/1914 | 11/20/1917 | 13 | 4 | Transformer For High-Frequency Currents |
| 36 | 1,271,190 | Ua | -- | 04/30/1914 | 07/02/1918 | 6 | 5 | Wireless-Telegraph Transmitter |
| 37 | 1,301,473 | Ua | Franklin, Charles Samuel | 02/26/1919 | 04/22/1919 | 3 | 3 | Reflector For Use In Wireless Telegraphy And Telephony |
| 38 | 1,377,722 | U | -- | 03/09/1918 | 05/10/1921 | 16 | 5 | Electric Accumulator |
| 39 | 1,981,058 | Ua | Franklin, Charles Samuel | 10/14/1926 | 11/20/1934 | 13 | 3 | Thermionic Valve |
Notes:
| Type: | U=Utility | R=Reissue | D=Design | T=Trademark | a=assignment | d=disclaimer | c=correction |
| Claims: | The number legal claims inventor makes to protect his invention |
| Applied: | The day the patent application was filed with the Patent Office. Other dates for application renewals or divisions may exist and can be found in the patent |
| Granted: | The day the Patent Office granted the patent |
| # Pages: | Page count includes correction and disclaimer pages |
| Red: | Patents that made this inventor famous |