Inventor · disambiguated record
John Head
Also filed as: HEAD III JOHN · HEAD JOHN · HEAD JOHN R
9 granted patents·6 pending applications·10 citations·filing 2006–2025
80Inventor score
Top patents by PatentIndex Score
15 records- 0189US11473685B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2020·Granted Oct 18, 2022·3 cites·5 claims
- 0274US12085181B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2023·Granted Sep 10, 2024·0 cites·25 claims
- 0373US11703139B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2022·Granted Jul 18, 2023·0 cites·22 claims
- 0461US12480589B2Pressure relief valve assembly including series coupled valves and related methodsPREVCO SUBSEA LLC·Filed 2024·Granted Nov 25, 2025·0 cites·23 claims
- 0558US10818155B2Child in vehicle detectorANCER LLC·Filed 2019·Granted Oct 27, 2020·1 cites·23 claims
- 0656US8312608B2System and method for toilet unit installation and removalHEAD JOHN·Filed 2009·Granted Nov 20, 2012·4 cites·13 claims
- 0755US9732868B2High reliability pressure relief valvePREVCO SUBSEA LLC·Filed 2014·Granted Aug 15, 2017·2 cites·9 claims
- 0855US2025237314A1Pressure relief valve (prv) assembly including end-to-end coupled prv stages and related methodsPREVCO SUBSEA LLC·Filed 2025·Application pending·0 cites
- 0953US2022273470A1Electrode assembly for a myoelectric prosthesisUNIV SALFORD·Filed 2022·Application pending·0 cites
- 1048US2008010114A1Method and system for generating and redeeming an electronic couponHEAD JOHN R·Filed 2006·Application pending·0 cites
- 1148US2019322448A1Systems and methods for providing a sleeve reinforced subsea pressure vesselPREVCO SUBSEA LLC·Filed 2019·Application pending·0 cites
- 1243US10424182B1Child in vehicle detectorANCER LLC·Filed 2018·Granted Sep 24, 2019·0 cites·19 claims
- 1339US2012227828A1System and method for toilet unit installation and removalHEAD JOHN·Filed 2012·Application pending·0 cites
- 1429US10615548B2Safety power connectorPINK STEVEN·Filed 2019·Granted Apr 7, 2020·0 cites·20 claims
- 1528US2020194942A1Safety Power ConnectorPINK STEVEN·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when John Head 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 →