Lebzelter; Derek R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lebzelter; Derek R..The latest application filed is for "cathode humidification unit adapting degredation factor".

Company Profile

1.23.19

Lebzelter; Derek R. - Conneaut OH
Lebzelter; Derek R. - Rochester NY
Lebzelter; Derek R. - Fairport NY
Lebzelter; Derek R - Rochester NY US
- Fairport NY US

*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
Method for determining membrane protonic resistance of a fuel cell stack Grant 9,853,312 - Sinha , et al. December 26, 2	2017-12-26
Cathode humidification unit adapting degradation factor Grant 9,502,726 - Nolan , et al. November 22, 2	2016-11-22
In-situ fuel cell stack reconditioning Grant 9,368,817 - Folmsbee , et al. June 14, 2	2016-06-14
Remedial actions for air flow errors in a fuel cell system Grant 9,281,532 - Lebzelter , et al. March 8, 2	2016-03-08
Selectively reacting to the minimum cell voltage drop rate in a fuel cell system Grant 9,231,263 - Lebzelter , et al. January 5, 2	2016-01-05
Method to diagnose fuel cell humidification problems Grant 9,153,828 - Lebzelter , et al. October 6, 2	2015-10-06
Method for running a fuel cell system with a failed stack health monitor Grant 9,099,702 - Lebzelter , et al. August 4, 2	2015-08-04
Method of providing a calibrating reference voltage and index synchronization sequence for a cell voltage measurement system Grant 9,099,706 - Reed , et al. August 4, 2	2015-08-04
Subzero ambient shutdown purge operating strategy for PEM fuel cell system Grant 9,070,921 - Cartwright , et al. June 30, 2	2015-06-30
Fuel cell stack used as coolant heater Grant 9,034,530 - Lebzelter , et al. May 19, 2	2015-05-19
Frame sequence for a cell voltage measurement system with a low probability of natural occurrence Grant 9,017,889 - Reed , et al. April 28, 2	2015-04-28
Adaptive limitation of standby mode to enhance fuel cell system life Grant 8,945,785 - Harris , et al. February 3, 2	2015-02-03
Systems and methods for predicting polarization curves in a fuel cell system Grant 08920995 -	2014-12-30
Systems and methods for predicting polarization curves in a fuel cell system Grant 8,920,995 - Lebzelter , et al. December 30, 2	2014-12-30
Remedial Actions For Air Flow Errors In A Fuel Cell System App 20140272654 - Lebzelter; Derek R. ; et al.	2014-09-18
Systems And Methods For Predicting Polarization Curves In A Fuel Cell System App 20140272652 - LEBZELTER; DEREK R. ; et al.	2014-09-18
Cathode Humidification Unit Adapting Degredation Factor App 20140272630 - Nolan; John P. ; et al.	2014-09-18
Selectively Reacting To The Minimum Cell Voltage Drop Rate In A Fuel Cell System App 20140205924 - Lebzelter; Derek R. ; et al.	2014-07-24
Method To Diagnose Fuel Cell Humidification Problems App 20140186726 - Lebzelter; Derek R. ; et al.	2014-07-03
Method For Running A Fuel Cell System With A Failed Stack Health Monitor App 20140162159 - Lebzelter; Derek R. ; et al.	2014-06-12
Coolant Flow Pulsing In A Fuel Cell System App 20140120440 - Nolan; John P. ; et al.	2014-05-01
Method For Determining Membrane Protonic Resistance Of A Fuel Cell Stack App 20140120434 - Sinha; Manish ; et al.	2014-05-01
Auto-learning of base stack resistance for HFR based RH control Grant 8,647,783 - Sinha , et al. February 11, 2	2014-02-11
Subzero Ambient Shutdown Purge Operating Strategy For Pem Fuel Cell System App 20130260185 - Cartwright; Michael ; et al.	2013-10-03
Adaptive Limitation Of Standby Mode To Enhance Fuel Cell System Life App 20130177826 - HARRIS; Daniel I. ; et al.	2013-07-11
Frame Sequence For A Cell Voltage Measurement System With A Low Probability Of Natural Occurrence App 20130002232 - Reed; David J. ; et al.	2013-01-03
Method Of Providing A Calibrating Reference Voltage And Index Synchronization Sequence For A Cell Voltage Measurement System App 20130004871 - Reed; David J. ; et al.	2013-01-03
Method for improving FCS reliability after end cell heater failure Grant 8,231,989 - Lebzelter , et al. July 31, 2	2012-07-31
Shutdown strategy for enhanced water management Grant 8,192,885 - Rapaport , et al. June 5, 2	2012-06-05
Auto-learning Of Base Stack Resistance For Hfr Based Rh Control App 20110189569 - Sinha; Manish ; et al.	2011-08-04
In-situ Fuel Cell Stack Reconditioning App 20110091780 - Folmsbee; Daniel T. ; et al.	2011-04-21
Shutdown Strategy For Enhanced Water Management App 20100190078 - Rapaport; Pinkhas A. ; et al.	2010-07-29
Fuel Cell Stack Used As Coolant Heater App 20100035097 - Lebzelter; Derek R. ; et al.	2010-02-11
Method for Improving FCS Reliability After End Cell Heater Failure App 20090110966 - Lebzelter; Derek R. ; et al.	2009-04-30

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