Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JA

John Adamson — 8 Patents

Chevron: 3 patents #1,355 of 4,788Top 30%
LLLucas Industries Public Limited: 2 patents #137 of 571Top 25%
SBSab Wabco B.V.: 1 patents #1 of 10Top 10%
UAUnited Kingdom Atomic Energy Authority: 1 patents #117 of 350Top 35%
LLLucas Industries Limited: 1 patents #219 of 499Top 45%
Pleasant Hill, CA: #64 of 365 inventorsTop 20%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
John Adamson has been granted 8 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in September 1992. John Adamson ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John Adamson in Pleasant Hill, CA, US.

Patents per Year

Patents granted per year, 1980 to 1992Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801982: 2 patents19821983: 1 patents19831987: 1 patents19871988: 1 patents19881992: 1 patents1992

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5150774 Wheels incorporating brake discs 1992-09-29
4776439 Disc brakes Colin J. F. Tickle, David Russell 1988-10-11
4682905 Brake pad retaining plate assemblies for use in brake shoe assemblies Kenneth B. Riding 1987-07-28
4416851 Nuclear fuel for liquid metal cooled nuclear reactors Edward Duncombe, Charles P. Gratton 1983-11-22
RE31089 Transducer system for continuous monitoring liquid levels in _storage tanks and the like 1982-11-23
4320460 Anti-skid brake control system Malcolm Brearley 1982-03-16
4203090 Transponder system including an oscillator ripple counter controlling a coded analog multiplex network in a circuit with a driver/gate circuit for generating red-alert end condition digital signals in a storage tank gauging system 1980-05-13 $65,524,000
4194177 Transducer system for continuous monitoring liquid levels in storage tanks and the like 1980-03-18 $9,926,000