Inventor · disambiguated record
John Hart
Also filed as: HART JOHN G · HART JOHN GREGORY
3 granted patents·1 pending application·50 citations·filing 2001–2006
72Inventor score
Top patents by PatentIndex Score
4 records- 0180US7416189B2Vehicle ride control systemSPARTAN MOTORS CHASSIS INC·Filed 2005·Granted Aug 26, 2008·26 cites·17 claims
- 0274US6494708B1Safety device for candlesHART JOHN GREGORY·Filed 2001·Granted Dec 17, 2002·16 cites·13 claims
- 0348US7198484B2System to automatically extinguish a candleCANDLEWATCH CO LLC·Filed 2002·Granted Apr 3, 2007·8 cites·4 claims
- 0439US2007128561A1System and method to automatically extinguish a candleCANDLEWATCH COMPANY LLC·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John Hart 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 →