Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JC

John B. Crosby — 17 Patents

BIBeckman Instruments: 7 patents #26 of 431Top 7%
MTMultiplex Technology: 5 patents #1 of 6Top 20%
ZLZeneca Limited: 4 patents #151 of 867Top 20%
IIIdeal Industries: 1 patents #74 of 166Top 45%
Yorba Linda, CA: #51 of 818 inventorsTop 7%
California: #35,036 of 386,348 inventorsTop 10%
Overall (All Time): #279,783 of 4,157,543Top 7%
17 Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6731102 Electronic test instrument with extended functions James L. Gregorec, Jr., Rey P. Harju 2004-05-04
6446263 Anti-loading CATV interface circuit and method 2002-09-03
6177963 Video signal distribution system Richard T. Foye 2001-01-23
5929718 Apparatus and method for transmitting electrical power and broadband RF communications signals through a dielectric 1999-07-27
5670662 Pyranones Andrew John Blacker, John A. L. Herbert 1997-09-23
5612652 Apparatus for transmitting electrical power and broadband communications signals through a dielectric 1997-03-18
5527916 Pyranones Andrew John Blacker, John A. L. Herbert 1996-06-18
5443970 Pyranones Andrew John Blacker, John A. L. Herbert 1995-08-22
5443971 Pyranones Andrew John Blacker, John A. L. Herbert 1995-08-22
5384603 Video signal splitter with DC short circuit protection Philip R. Strauss 1995-01-24
RE31606 Digital ohmmeter with electrical continuity tester 1984-06-19
4383188 Voltage-controlled constant current source 1983-05-10
4375038 RMS Converter 1983-02-22
4357061 Electro-mechanical package of visual display and related circuitry 1982-11-02
4309692 Integrating analog-to-digital converter 1982-01-05
4272658 Multi-contact rotary switch 1981-06-09
4228394 Digital ohmmeter with electrical continuity tester 1980-10-14