Inventor · disambiguated record
John Koopman
Also filed as: KOOPMAN JOHN
3 granted patents·1 pending application·48 citations·filing 2002–2009
69Inventor score
Top patents by PatentIndex Score
4 records- 0191US8162398B2Zone lumbar massage systemCOLJA RENATO·Filed 2009·Granted Apr 24, 2012·41 cites·37 claims
- 0261US7159444B2Combustible gas detection systems and method thereofPROTON ENERGY SYS INC·Filed 2002·Granted Jan 9, 2007·5 cites·9 claims
- 0352US7111493B2Combustible gas detection systemPROTON ENERGY SYS INC·Filed 2003·Granted Sep 26, 2006·2 cites·2 claims
- 0442US2006151332A1Combustible gas detection systemPROTON ENERGY SYS INC·Filed 2006·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →