The Complete

Guglielmo Marconi
(April 25, 1874 - July 20, 1937)

U.S. Patent Collection

by Jim Bieberich, Patent Historian

The complete collection of patents is available by CDROM in PDF for easy viewing and printing.   Click here to ORDER

  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


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