Inventor · disambiguated record
John L. Upchurch
Also filed as: UPCHURCH JOHN · UPCHURCH JOHN L
3 granted patents·31 citations·filing 2006–2009
70Inventor score
Technology areasB63B
Top patents by PatentIndex Score
3 records- 0176US7798233B2Overpressure protection deviceCHEVRON USA INC·Filed 2006·Granted Sep 21, 2010·12 cites·11 claims
- 0271US7971839B2Equipment mount for waterborne vesselsUPCHURCH JOHN·Filed 2009·Granted Jul 5, 2011·11 cites·13 claims
- 0369US7793725B2Method for preventing overpressureCHEVRON USA INC·Filed 2006·Granted Sep 14, 2010·8 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →