Patents

Date Filed Patent Title/Description Patent Number
(After issue)
Issue Date
1/7/2027 Television System 1,773,980 8/20/1930
1/7/2027 Light Valve (split and re-filed 11/07/27) 1,806,935 5/26/1931
1/7/2027 Electric Oscillator System 1,758,359 5/13/1930
*1/07/27 Television Receiving System 1,773,981 8/26/1930
1/9/2028 Photoelectric Apparatus 1,970,036 8/14/1934
1/9/2028 Fundamental Dissector Case, Television Method 2,168,768 8/8/1939
*4/17/28 Electrical Discharge Apparatus 1,986,330 1/1/1935
4/25/2028 Synchronizing System 1,844,949 2/16/1932
11/26/2028 Method and Apparatus For Television 2,037,711 4/21/1936
3/11/2029 Admittance Neutralization Amplifier 1,986,331 1/1/1935
3/3/1930 Electron Image Amplifier 2,085,742 7/6/1937
*5/05/30 Television Scanning and Synchronizing System 2,246,625 11/23/1937
*5/05/30 Slope Wave Generator (P.T.F. and H. Lubcke) 2,059,219 11/3/1936
6/14/1930 Electron Image Amplifier 2,085,742 7/6/1937
*6/14/30 Thermionic Oscillograph 2,009,846 11/23/1937
7/7/1930 Dissector Target 1,941,344 12/26/1933
12/4/1930 System of Pulse Transmission 2,026,379 12/31/1935
7/14/1931 Projection Oscillight 2,140,284 12/13/1938
7/14/1931 Scanning and Synchronizing System 2,051,372 8/18/1936
7/22/1931 Thermionic Vacuum Tube 1,975,143 10/2/1934
5/31/1932 Luminescent Screen (P.T.F. and B.C. Gardner) 2,098,000 11/2/1937
*4/03/33 Scanning Oscillator 2,059,683 11/3/1936
2/8/1933 Luminescent Screen and Method of Use 2,104,253 1/4/1938
4/26/1933 Image Dissector 2,087,683 7/20/1937
10/7/1933 Electron Multiplying Device 2,071,515 2/23/1937
4/26/1933 Image Dissector Re21,504** 7/9/1940
7/5/1934 Oscillation Generator 2,071,516 2/23/1937
*11/05/34 Scanning Means and Method 2,280,572 4/21/1942
11/6/1934 Projection Means 2,143,145 1/10/1939
11/6/1934 Projection Apparatus 2,091,705 8/31/1937
3/9/1936 Incandescent Light Source 2,089,054 8/3/1937
3/12/1935 Means of Electron Multiplication 2,143,262 1/10/1939
3/12/1935 Cathode Ray Tube 2,149,045 2/28/1939
3/12/1935 Oscillator (divided 4/26/37) 2,174,488 9/26/1939
5/7/1935 Incandescent Light Source (P.T.F and H. Bamford) 2,066,070 12/29/1936
5/7/1935 Multipactor Phase Control 2,071,517 2/23/1937
5/7/1935 Means For Producing Incandescent Images (Farnsworth and Bamford) 2,155,478 4/25/1939
7/6/1935 Means and Method of Image Analysis 2,216,264 10/1/1940
7/6/1935 Charge Storage Dissector 2,140,695 12/20/1938
7/6/1935 Cathode Ray Amplifier 2,228,388 1/14/1941
7/6/1935 Charge Storage Amplifier 2,233,888 3/4/1941
7/15/1935 Image Receiving Tube 2,118,186 5/24/1938
8/10/1935 Cathode Ray Amplifying Tube 2,251,124 7/29/1941
9/7/1935 Charge Storage Dissector Tube 2,141,836 12/27/1938
9/7/1935 Image Analysis Tube 2,100,842 11/30/1937
*9/14/35 Charge Storage Tube 2,100,841 11/30/1937
7/1/1935 Electron Image Amplifier 2,292,437 8/11/1942
2/10/1936 Scanning Current Generator 2,214,077 9/10/1940
2/11/1936 Multipactor 2,135,615 11/8/1938
2/24/1936 Radiation Frequency Converter 2,107,782 2/8/1938
3/9/1936 Absorption Oscillator 2,159,521 5/23/1939
3/24/1936 Secondary Emission Electrode 2,139,813 12/13/1938
5/16/1936 Means and Method of Controlling Electron Multipliers 2,140,832 12/20/1938
5/16/1936 Means and Method of Producing Electron Multiplication 2 ,204,479 6/11/1940
5/18/1936 Electron Multiplier Re20,759** 6/14/1938
6/1/1936 Cathode Ray Tube 2,158,279 5/16/1939
6/1/1936 Multi-Stage Multipactor 2,141,837 12/27/1938
6/18/1936 Concentric Multiplier 2,147,934 2/21/1939
10/31/1936 Repeater 2,143,146 1/10/1939
7/11/1936 Image Source 2,213,070 8/30/1938
8/18/1936 Means and Method of Operating Multipliers 2,128,58 8/30/1938
8/18/1936 Image Dissector 2,216,265 10/1/1940
11/2/1936 High Power Projection Oscillograph (P.T.F and F. Somers) 2,109,289 2/22/1938
11/2/1936 Beam Scanning Dissector 2,124,057 7/19/1938
11/2/1936 Cathode Ray Tube 2,139,814 12/13/1938
11/4/1936 Cold Cathode Electron Discharge Tube 2,184,910 12/26/1939
11/9/1936 Electron Multiplier (P.T.F and F. Somers) 2,179,996 11/14/1939
11/9/1936 Multiplier Oscillator 2,137,528 11/22/1938
2/24/1936 Multipactor Oscillator and Amplifier 2,091,439 8/31/1937
3/22/1937 Multiplier Coupling System 2,140,285 12/13/1938
3/22/1937 Split Cathode Multiplier 2,217,860 10/15/1940
3/22/1937 X-Ray Projection Device 2,221,374 11/12/1940
3/22/1937 Self-Energized Alternating Current Multiplier 2,174,487 9/26/1939
3/22/1937 Method of Operating Electron Multipliers 2,180,279 11/14/1939
3/22/1937 Diode Oscillator Tube Constriction 2,189,358 2/6/1940
3/22/1937 Two-Stage Oscillograph 2,216,266 10/1/1940
3/22/1937 Split Cathode Multiplier Tube 2,141,838 12/27/1938
4/26/1937 Detector 2,156,807 5/2/1939
4/26/1937 Amplifier 2,221,473 11/12/1940
9/20/1937 Means For Producing an Incandescent Image 2,179,086 11/7/1939
1/5/1938 Electron Amplifier 2,239,149 4/22/1941
2/21/1938 Radio Frequency Multipactor Amplifier 2,172,152 9/5/1939
3/12/1938 Dissector Tube (Original date 12/31/35) 2,235,477 3/18/1941
6/13/1938 Image Projector (Original date 12/31/35) 2,235,477 3/18/1941
6/13/1938 Shielded Anode Electronic Multiplier P. Farnsworth and R. Snyder 2,203,048 6/4/1940
9/10/1938 Image Analyzing System 2,254,140 8/26/1941
12/31/1938 Dissector Tube 2,153,918 4/11/1939
4/5/1939 Image Amplifier 2,257,942 10/7/1941
4/5/1939 Cold Cathode Electron Discharge Tube 2,263,032 11/18/1941
4/24/1939 High Efficiency Amplifier 2,223,001 11/26/1940
4/25/1939 Electron Multiplier 2,260,613 11/28/1941
7/5/1939 Electron Image Amplifier Re22,009** 1/20/1942
7/5/1939 Electric Amplifier Re21,818** 6/3/1941
2/15/1940 Electric Recording and Reproducing System 2,304,633 12/8/1942
2/23/1940 Application and Method of Electron Discharge Control 2,274,194 2/24/1942
3/5/1940 Rectifier 2,287,607 6/23/1942
3/11/1940 Dissector Tube 2,264,630 12/2/1941
4/3/1940 Electron Control Device 2,286,076 6/9/1942
7/25/1940 Electron Control Device 2,311,981 2/23/1943
9/7/1940 Image Dissector 2,292,111 8/4/1942
9/7/1940 Television Projection System 2,315,113 3/30/1943
10/9/1940 Cathode Ray Signal Reproducing Tube 2,301,388 11/10/1942
5/22/1941 Deflecting System 2,297,949 10/6/1942
7/5/1941 Image Amplifier 2,291,577 7/28/1942
6/20/1942 Image Reproducing Device 2,355,212 8/8/1944
7/29/1950 Television Image Analyzing Tube 2,641,723 6/9/1953
11/25/1950 Cathode Ray Tube and System 2,754,449 7/10/1956
5/18/1954 Color Television Apparatus 2,921,228 1/12/1960
3/3/1954 Radio Translating Device 2,992,358 7/11/1962
5/7/1952 Light Translating Device 2,992,346 7/11/1961
3/6/1957 Cathode Ray Tube 2,941,106 6/14/1960
3/7/1962 Electron Gun in the Form of a Multipactor 3,201,640 8/17/1965
11/5/1934 Method of Manufacturing Cathode Ray Tube Targets 2,286,478 6/16/1942
4/26/1937 Two-Stage Electron Multiplier 2,161,620 6/6/1939
4/5/1939 Image Amplifier 2,291,577 7/28/1942
1/11/1962 Electric Discharge Device for Producing Interaction Between Nuclei 3,258,402 6/28/1966
3/29/1962 Ion Transport Vacuum Pump 3,181,028 4/27/1965
5/13/1966 Method and Apparatus for Producing Nuclear-Fusion Reactions 3,386,883 6/4/1968
4/19/1963 Microwave Amplifier Utilizing Multiplication To Produce Periodically Bunched Electrons 3,312,857 4/4/1967
?? Electric Discharge Device (Canadian Patent) 654,306 12/18/1962
?? Radio Frequency Amplifier (Australian Patent) 102,330 10/22/1937