The Complete

Philo T. Farnsworth

U.S. Patent Collection
© 1998 - 2014 Mall USA, Inc.

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 1,758,359 Ua -- 11/07/1927 05/13/1930 13 4 Electric Oscillator System
2 1,773,980 Ua -- 01/07/1927 08/26/1930 18 13 Television System
3 1,773,981 Ua -- 11/07/1927 08/26/1930 14 5 Television Receiving System
4 1,806,935 Ua -- 11/07/1927 05/26/1931 5 4 Light Valve
5 1,844,949 Uad -- 04/25/1928 02/16/1932 30 8 Synchronizing System
6 1,941,344 Ua -- 07/07/1930 12/26/1933 10 3 Dissector Target
7 1,969,399 Ua -- 03/03/1930 08/07/1934 10 4 Electron Multiplier
8 1,970,036 Ua -- 01/09/1928 08/14/1934 14 4 Photo Electric Apparatus
9 1,975,143 Ua -- 07/22/1931 10/02/1934 4 4 Thermionic Vacuum Tube
10 1,986,330 Ua -- 04/17/1928 01/01/1935 13 6 Electrical Discharge Apparatus
11 1,986,331 Ua -- 03/11/1929 01/01/1935 29 7 Admittance Neutralizing Amplifier
12 2,026,379 Ua -- 12/04/1930 12/31/1935 11 10 System Of Pulse Transmission
13 2,037,711 Ua -- 11/26/1928 04/21/1936 27 7 Method And Apparatus For Television
14 2,051,372 Ua -- 07/14/1931 08/18/1936 15 6 Scanning And Synchronizing System
15 2,059,219 Ua Lubcke, Harry R. 05/05/1930 11/03/1936 17 6 Slope Wave Generator
16 2,059,683 Ua -- 04/03/1933 11/03/1936 6 6 Scanning Oscillator
17 2,066,070 Ua Bamford, Harry S. 05/07/1935 12/29/1936 5 8 Incandescent Light Source
18 2,071,515 Ua -- 10/07/1933 02/23/1937 60 14 Electron Multiplying Device
19 2,071,516 Ua -- 07/05/1934 02/23/1937 27 9 Oscillation Generator
20 2,071,517 Ua -- 05/07/1935 02/23/1937 19 5 Multipactor Phase Control
21 2,085,742 Ua -- 06/14/1930 07/06/1937 32 8 Electron Image Amplifier
22 2,087,683 Ua -- 04/26/1933 07/20/1937 11 6 Image Dissector
23 2,089,054 Ua -- 03/09/1936 08/03/1937 7 4 Incandescent Light Source
24 2,091,439 Uacd -- 02/24/1936 08/31/1937 19 7 Multipactor Oscillator And Amplifier
25 2,091,705 Ua -- 11/06/1934 08/31/1937 15 7 Projection Apparatus
26 2,098,000 Ua Gardner, Bernard C. 05/06/1936 11/02/1937 12 5 Luminescent Screen
27 2,099,846 Ua -- 06/14/1930 11/23/1937 8 4 Thermionic Oscillograph
28 2,100,841 Ua -- 09/07/1935 11/30/1937 3 5 Image Analysis Tube
29 2,100,842 Ua -- 09/14/1935 11/30/1937 6 5 Charge Storage Tube
30 2,104,253 Uad -- 02/08/1933 01/04/1938 8 4 Luminescent Screen And Method Of Use
31 2,107,782 Ua Lippincott, Donald K. 02/24/1936 02/08/1938 4 7 Radiation Frequency Converter
32 2,109,289 Ua Somers, Frank J. 11/02/1936 02/22/1938 3 4 High Power Projection Oscillograph
33 2,118,186 Ua -- 07/15/1935 05/24/1938 4 INC Image Receiving Tube
34 RE 20,759 Ua -- 05/18/1936 06/14/1938 26 6 Electron Multiplier
35 2,124,057 Ua -- 11/02/1936 07/19/1938 5 4 Beam Scanning Dissector
36 2,128,580 Ua -- 08/18/1936 08/30/1938 11 6 Means and Method of Operating Electron Multipliers
37 2,135,615 Ua -- 02/11/1936 11/08/1938 3 6 Multipactor
38 2,137,528 Ua -- 01/27/1936 11/22/1938 7 5 Multipactor Oscillator
39 2,139,813 Ua -- 03/24/1936 12/13/1938 1 3 Secondary Emission Electrode
40 2,139,814 Ua -- 11/02/1936 12/13/1938 2 3 Cathode Ray Tube
41 2,140,284 Ua -- 07/14/1931 12/13/1938 15 6 Projecting Oscillight
42 2,140,285 Ua -- 03/22/1937 12/13/1938 14 5 Multiplier Coupling System
43 2,140,695 Ua -- 07/06/1935 12/20/1938 4 5 Charge Storage Dissector
44 2,140,832 Ua -- 05/16/1936 12/20/1938 3 5 Means and Method of Controlling Electron Multipliers
45 2,141,836 Ua -- 09/07/1935 12/27/1938 1 5 Charge Storage Dissector Tube
46 2,141,837 Ua -- 06/01/1936 12/27/1938 3 3 Multistage Multipactor
47 2,141,838 Ua -- 03/22/1937 12/27/1938 11 4 Split Cathode Multiplier Tube
48 2,143,146 Ua Snyder, Richard L. 10/31/1936 01/10/1939 7 5 Repeater
49 2,143,262 Ua -- 03/12/1935 01/10/1939 3 9 Means for Electron Multiplication
50 2,149,045 Ua -- 04/26/1937 02/28/1939 3 9 Cathode Ray Tube
51 2,153,918 Ua -- 12/31/1935 04/11/1939 4 6 Dissector Tube
52 2,155,478 Ua Bamford, Harry S. 05/07/1935 04/25/1939 3 8 Means For Producing Incandescent Images
53 2,155,479 Ua -- 07/11/1936 04/25/1939 13 8 Means And Method For Transmitting Synchronizing Pulses In Television
54 2,156,807 Ua -- 04/26/1937 05/02/1939 14 5 Detector
55 2,158,279 Ua -- 06/01/1936 05/16/1939 2 3 Cathode Ray Tube
56 2,159,521 Ua -- 03/09/1936 05/23/1939 6 4 Absorption Oscillator
57 2,161,620 Ua -- 04/26/1937 06/06/1939 2 4 Two-Stage Electron Multiplier
58 2,168,768 Ua -- 04/15/1932 08/08/1939 10 4 Television Method
59 2,172,152 Ua -- 02/21/1938 09/05/1939 6 4 Radio Frequency Multipactor Amplifier
60 2,174,487 Ua -- 03/22/1937 09/26/1939 5 4 Self-Energized Alternating Current Multiplier
61 2,174,488 Ua -- 04/26/1937 09/26/1939 5 4 Oscillator
62 2,179,086 Ua Gardner, Bernard C. 09/20/1937 11/07/1939 3 4 Means For Producing An Incandescent Image
63 2,179,996 Ua Snyder, Richard L. 11/09/1936 11/14/1939 13 5 Electron Multiplier
64 2,180,279 Ua -- 03/22/1937 11/14/1939 6 4 Method Of Operating Electron Multipliers
65 2,184,910 Ua -- 11/04/1936 12/26/1939 3 4 Cold Cathode Electron Discharge Tube
66 2,189,358 Ua -- 03/22/1937 02/06/1940 8 4 Diode Oscillator Tube Construction
67 2,203,048 Ua Snyder, Richard L. 06/13/1938 06/04/1940 4 4 Shielded Anode Electron Multiplier
68 2,204,479 Ua -- 05/16/1936 06/11/1940 10 7 Means And Method For Producing Electron Multiplication
69 RE 21,504 Ra -- 12/29/1939 07/09/1940 11 6 Image Dissector
70 2,213,070 Ua -- 07/11/1936 08/27/1940 9 4 Image Source
71 2,214,077 Ua -- 02/10/1936 09/10/1940 5 7 Scanning Current Generator
72 2,216,264 Ua -- 07/06/1935 10/01/1940 6 6 Means And Method Of Image Analysis
73 2,216,265 Ua -- 08/18/1936 10/01/1940 4 3 Image Dissector
74 2,216,266 Ua -- 03/22/1937 10/01/1940 17 5 Two-Stage Oscillograph
75 2,217,860 Ua -- 03/22/1937 10/15/1940 12 8 Split Cathode Multiplier
76 2,221,374 Ua -- 03/22/1937 11/12/1940 9 6 X-ray Projection Device
77 2,221,473 Ua -- 04/26/1937 11/12/1940 6 10 Amplifier
78 2,223,001 Ua -- 04/24/1939 11/26/1940 16 8 High Efficiency Amplifier
79 2,228,388 Ua -- 07/06/1935 01/14/1941 8 5 Cathode Ray Amplifier
80 2,233,887 Ua -- 06/13/1938 03/04/1941 3 5 Image Projector
81 2,233,888 Ua -- 07/06/1935 03/04/1941 10 5 Charge Storage Amplifier
82 2,235,477 Ua -- 03/12/1938 03/18/1941 2 5 Dissector Tube
83 2,239,149 Ua -- 01/05/1938 04/22/1941 21 11 Electronic Amplifier
84 2,246,625 Ua -- 05/05/1930 06/24/1941 42 10 Television Scanning And Synchronizing System
85 2,251,124 Ua -- 08/10/1935 07/29/1941 1 4 Cathode Ray Amplifying Tube
86 2,254,140 Ua -- 09/10/1938 08/26/1941 7 4 Image Analyzing System
87 2,257,942 Uac -- 04/05/1939 10/07/1941 11 6 Image Amplifier
88 2,260,613 Ua -- 04/25/1939 10/28/1941 8 6 Electron Multiplier
89 2,263,032 Ua -- 04/05/1939 11/18/1941 2 4 Cold Cathode Electron Discharge Tube
90 2,264,630 Ua -- 03/11/1940 12/02/1941 3 4 Dissector Tube
91 RE 22,009 Ra -- 07/05/1939 01/20/1942 34 8 Electron Image Amplifier
92 2,274,194 Ua -- 02/23/1940 02/24/1942 13 6 Apparatus For And Method of Electron Discharge Control
93 2,280,572 Uac -- 11/05/1934 04/21/1942 9 8 Scanning Means And Method
94 2,286,076 Ua -- 04/03/1940 06/09/1942 2 3 Electron Control Device
95 2,286,478 Ua -- 12/27/1940 06/16/1942 4 3 Method of Manufacturing Cathode-Ray Tube Targets
96 2,287,607 Ua -- 03/05/1940 06/23/1942 1 3 Rectifier
97 2,291,577 Ua -- 07/05/1941 07/28/1942 3 5 Image Amplifier
98 2,292,111 Ua -- 09/07/1940 08/04/1942 1 5 Image Dissector
99 2,292,437 Ua -- 07/01/1935 08/11/1942 25 11 Electron Image Amplifier
100 2,297,949 Ua -- 05/22/1941 10/06/1942 8 5 Deflecting system
101 2,301,388 Ua -- 10/09/1940 11/10/1942 2 3 Cathode Ray Signal Reproducing Tube
102 2,304,633 Ua -- 02/15/1940 12/08/1942 13 6 Electric Recording And Reproducing System
103 2,311,981 Ua -- 07/25/1940 02/23/1943 3 6 Electron Control Device
104 2,315,113 Ua -- 09/07/1940 03/30/1943 6 4 Television Projection System
105 2,355,212 Ua -- 06/20/1942 08/08/1944 9 4 Image Reproducing Device
106 2,641,723 Ua -- 07/29/1950 06/09/1953 7 4 Television Image Analyzing Tube
107 2,754,449 Ua -- 11/25/1950 07/10/1956 22 11 Cathode Ray Tube And System
108 2,830,111 Ua -- 10/06/1951 04/08/1958 30 11 Storage Type Electron Tube Systems
109 2,921,228 Ua -- 05/18/1954 01/12/1960 9 17 Color Television Apparatus
110 2,941,100 Ua -- 03/06/1957 06/14/1960 9 4 Cathode Ray Tube
111 2,951,113 Ua -- 05/27/1954 08/30/1960 5 5 Color Television Receiver
112 2,992,346 Ua -- 03/03/1954 07/11/1961 4 4 Light Translating Device
113 2,992,358 Ua -- 03/03/1954 07/11/1961 1 3 Radiation Translating Device
114 3,108,202 Ua -- 11/17/1954 10/22/1963 9 5 Electron Image-Discharge Device
115 3,181,028 Ua -- 03/29/1962 04/27/1965 16 10 Ion Transport Vacuum Pump
116 3,201,640 Ua -- 03/07/1962 08/17/1965 7 6 Electron Gun In The Form Of A Multipactor
117 3,240,421 Ua -- 01/24/1963 03/15/1966 22 9 Ion Transport Pump
118 3,258,402 Ua -- 01/11/1962 06/28/1966 26 38 Electric Discharge Device For Producing Interactions Between Nuclei
119 3,283,412 Ua -- 09/09/1964 11/08/1966 15 8 Process And Apparatus For Drying And Treating Lumber
120 3,312,857 Ua -- 04/19/1963 04/04/1967 31 14 Microwave Amplifier Utilizing Multipaction To Produce Periodically Bunched Electrons
121 3,386,883 Ua -- 05/13/1966 06/04/1968 19 35 Method And Apparatus For Producing Nuclear-Fusion Reactions
122 3,574,949 Uac -- 04/01/1969 04/13/1971 14 8 Lumber Drying

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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Copyright © 1998 - 2014 Jim Bieberich, Mall-USA Inc.