Johnsen; Richard

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnsen; Richard.The latest application filed is for "fuel cell with electrical short circuit prevention means".

Company Profile

0.5.5

Johnsen; Richard - Woodbury CT
Johnsen; Richard - Waterbury CT
Johnsen; Richard - New Fairfield CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fuel cell with electrical short circuit prevention means Grant 8,383,283 - Yun , et al. February 26, 2	2013-02-26
Carbonate fuel cell and components thereof for in-situ delayed addition of carbonate electrolyte Grant 7,939,219 - Johnsen , et al. May 10, 2	2011-05-10
Fuel Cell With Electrical Short Circuit Prevention Means App 20100266932 - Yuh; Chao-yi ; et al.	2010-10-21
Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact Grant 7,201,985 - Yuh , et al. April 10, 2	2007-04-10
Carbonate fuel cell and components thereof for in-situ delayed addition of carbonate electrolyte App 20060269830 - Johnsen; Richard ; et al.	2006-11-30
Dual-porosity ribbed fuel cell cathode Grant 6,890,679 - Johnsen , et al. May 10, 2	2005-05-10
Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact App 20040121200 - Johnsen, Richard ; et al.	2004-06-24
Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact App 20040121213 - Yuh, Chao-Yi ; et al.	2004-06-24
Dual-porosity ribbed fuel cell cathode App 20040038115 - Johnsen, Richard ; et al.	2004-02-26

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