John Walker — 6 Patents at Unknown

John Walker has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in February 2025. John Walker ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John Walker in Tomball, TX, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
12215554	End effectors for automated pipe handling	Graham Alexander Carnegie, Christopher J. Saunders, Dominick Mancuso	2025-02-04
11115891	Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities	—	2021-09-07
10986220	Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities	—	2021-04-20
10512017	Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities	—	2019-12-17
5474438	Adjustable back plate for a mold	—	1995-12-12
4233780	Door seal	John H. Royce, John E. Rowarth	1980-11-18

John Walker — 6 Patents

Issued Patents All Time

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