Inventor · disambiguated record
Richard Johnsen
Also filed as: JOHNSEN RICHARD · JOHNSEN RICHARD C
5 granted patents·1 pending application·38 citations·filing 1985–2009
76Inventor score
Top patents by PatentIndex Score
6 records- 0192US7939219B2Carbonate fuel cell and components thereof for in-situ delayed addition of carbonate electrolyteFUELCELL ENERGY INC·Filed 2005·Granted May 10, 2011·18 cites·25 claims
- 0277US6890679B2Dual-porosity ribbed fuel cell cathodeFUELCELL ENERGY INC·Filed 2002·Granted May 10, 2005·16 cites·13 claims
- 0367US8383283B2Fuel cell with electrical short circuit prevention meansFUELCELL ENERGY INC·Filed 2009·Granted Feb 26, 2013·1 cites·40 claims
- 0452US7201985B2Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contactFUELCELL ENERGY INC·Filed 2003·Granted Apr 10, 2007·1 cites·12 claims
- 0544US2004121200A1Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contactFiled 2002·Application pending·0 cites
- 0627USD303073SOffset body hammerJOHNSEN RICHARD C·Filed 1985·Granted Aug 29, 1989·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Richard Johnsen 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 →