Inventor · disambiguated record
John F. Keller
Also filed as: KELLER JOHN · KELLER JOHN F
5 granted patents·93 citations·filing 1987–2015
80Inventor score
Top patents by PatentIndex Score
5 records- 0175US4834433APlastic door handleSATURN CORP·Filed 1987·Granted May 30, 1989·34 cites·7 claims
- 0259US5503304AProtective security systemFiled 1995·Granted Apr 2, 1996·21 cites·6 claims
- 0356US5921442AManually operated self defense deviceFiled 1997·Granted Jul 13, 1999·25 cites·10 claims
- 0443US4924582ADoor handle assembly methodSATURN CORP·Filed 1989·Granted May 15, 1990·13 cites·2 claims
- 0540US10422186B2Hardfacing metal partsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 24, 2019·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when John F. Keller 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 →