Inventor · disambiguated record
John Ruhl
Also filed as: RUHL JOHN · RUHL JOHN B
8 granted patents·1 pending application·83 citations·filing 2003–2018
85Inventor score
Top patents by PatentIndex Score
9 records- 0197US10065914B1Thermolysis of polypropiolactone to produce acrylic acidNOVOMER INC·Filed 2017·Granted Sep 4, 2018·32 cites·13 claims
- 0285US7592083B2Integrated air supply with humidification control for fuel cell power systemsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Sep 22, 2009·8 cites·21 claims
- 0380US11351519B2Absorbent polymers, and methods and systems of producing thereof and uses thereofNOVOMER INC·Filed 2017·Granted Jun 7, 2022·1 cites·36 claims
- 0475US7011693B2Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generationGEN MOTORS CORP·Filed 2003·Granted Mar 14, 2006·23 cites·20 claims
- 0568US7399326B2Carbon monoxide clean-up in a PEM fuel cell systemGEN MOTORS CORP·Filed 2004·Granted Jul 15, 2008·8 cites·16 claims
- 0663US7276095B2Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorptionGEN MOTORS CORP·Filed 2003·Granted Oct 2, 2007·6 cites·52 claims
- 0760US7651799B2Air humidification for fuel cell applicationsGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Jan 26, 2010·5 cites·10 claims
- 0857US2008299424A1Carbon monoxide clean-up in a pem fuel cell systemGEN MOTORS CORP·Filed 2008·Application pending·0 cites
- 0951US11447457B2Methods and systems for treatment of ethylene oxideNOVOMER INC·Filed 2018·Granted Sep 20, 2022·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →