Inventor · disambiguated record
William D. Key
Also filed as: KEY WILLIAM · KEY WILLIAM D
3 granted patents·1 pending application·125 citations·filing 1975–2015
75Inventor score
Top patents by PatentIndex Score
4 records- 0191US4831866AAutomatic meter proving and calibration systemTOKHEIM CORP·Filed 1987·Granted May 23, 1989·81 cites·36 claims
- 0269US5514920AFuel dispenser leak detectorFiled 1993·Granted May 7, 1996·35 cites·12 claims
- 0342US3982664ABatch controller for gasoline having dribble feedTOKHEIM CORP·Filed 1975·Granted Sep 28, 1976·9 cites·5 claims
- 0434US2015235164A1Role-Based Control of Incident Response in a Secure Collaborative EnvironmentCYBERSPONSE INC·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when William D. Key files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →