Inventor · disambiguated record
John P. K. Fontaine
Also filed as: FONTAINE JOHN P K
4 granted patents·126 citations·filing 1977–1998
80Inventor score
Technology areasB62D
Top patents by PatentIndex Score
4 records- 0178US5516138ALock and release mechanism for fifth wheelFONTAINE FIFTH WHEEL CO·Filed 1995·Granted May 14, 1996·50 cites·13 claims
- 0266US5876055AAutomatic tolerance reducing greaseless fifth wheel using a wedge and jaw locking system that eliminates squirtingFiled 1998·Granted Mar 2, 1999·34 cites·31 claims
- 0362US4140328AAdjustment and release mechanism for wedge locking mechanisms of fifth wheelsFONTAINE JOHN P K·Filed 1977·Granted Feb 20, 1979·18 cites·4 claims
- 0459US5456484ALock and release mechanism for fifth wheelFiled 1994·Granted Oct 10, 1995·24 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when John P. K. Fontaine 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 →