Inventor · disambiguated record
William J. Zehr
Also filed as: ZEHR WILLIAM · ZEHR WILLIAM J
5 granted patents·122 citations·filing 1976–1995
82Inventor score
Top patents by PatentIndex Score
5 records- 0188US4006780ARupturing head for fire extinguishersPROTECTOSEAL CO·Filed 1976·Granted Feb 8, 1977·71 cites·4 claims
- 0268US4121632AFire extinguisher cylinder filling stationPROTECTOSEAL CO·Filed 1977·Granted Oct 24, 1978·22 cites·5 claims
- 0342US5660204ATank blanketing valvePROTECTOSEAL CO·Filed 1995·Granted Aug 26, 1997·13 cites·10 claims
- 0441US4182384AFire extinguisher discharge stationPROTECTOSEAL CO THE·Filed 1978·Granted Jan 8, 1980·9 cites·4 claims
- 0534US4138037ATilt canPROTECTOSEAL CO·Filed 1977·Granted Feb 6, 1979·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →