Lott; David R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lott; David R..The latest application filed is for "fuel cell stacks".

Company Profile

0.23.19

Lott; David R. - Spokane WA US
Lott; David R - Spokane WA
Lott, David R. - Thornton CO

*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
Proton exchange membrane fuel cell Grant 9,293,778 - Spink , et al. March 22, 2	2016-03-22
Fuel cell stacks Grant 9,012,101 - Yemul , et al. April 21, 2	2015-04-21
Fuel Cell Stacks App 20130337353 - Yemul; Dinesh S. ; et al.	2013-12-19
Proton exchange membrane fuel cell stack and fuel cell stack module Grant 8,597,846 - Spink , et al. December 3, 2	2013-12-03
Fuel Cell Stacks App 20130071698 - Yemul; Dinesh S. ; et al.	2013-03-21
Proton Exchange Membrane Fuel Cell Stack And Fuel Cell Stack Module App 20120214078 - Spink; Scott A. ; et al.	2012-08-23
Proton exchange membrane fuel cell stack and fuel cell stack module Grant 8,192,889 - Spink , et al. June 5, 2	2012-06-05
Proton Exchange Membrane Fuel Cell Stack And Fuel Cell Stack Module App 20110300467 - Spink; Scott A. ; et al.	2011-12-08
Proton exchange membrane fuel cell stack and fuel cell stack module Grant 8,026,020 - Spink , et al. September 27, 2	2011-09-27
Direct liquid fuel cell Grant 8,003,274 - Spink , et al. August 23, 2	2011-08-23
Apparatus and method for controlling a fuel cell using the rate of voltage recovery Grant 7,722,972 - Bai , et al. May 25, 2	2010-05-25
Direct liquid fuel cell App 20090169941 - Spink; Scott A. ; et al.	2009-07-02
Proton exchange membrane fuel cell App 20080305378 - Spink; Scott A. ; et al.	2008-12-11
Proton exchange membrane fuel cell stack and fuel cell stack module App 20080280178 - Spink; Scott A. ; et al.	2008-11-13
Fuel cell and method for controlling same Grant RE39,556 - Fuglevand , et al. April 10, 2	2007-04-10
Apparatus and method for controlling a fuel cell App 20070042243 - Bai; Lijun ; et al.	2007-02-22
Method for treating a fuel cell membrane, a fuel cell, and a conditioned fuel cell membrane App 20060251941 - Davis; Michael ; et al.	2006-11-09
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Grant 7,049,017 - Bai , et al. May 23, 2	2006-05-23
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Grant 6,982,129 - Bai , et al. January 3, 2	2006-01-03
Fuel cell Grant 6,828,050 - Bai , et al. December 7, 2	2004-12-07
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Grant 6,811,906 - Bai , et al. November 2, 2	2004-11-02
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Grant 6,805,987 - Bai , et al. October 19, 2	2004-10-19
Arrangement for dynamically determining load-based frequency of system messages in a communications network App 20040205768 - Lott, David R.	2004-10-14
Fuel cell power systems and methods of controlling a fuel cell power system Grant 6,773,839 - Fuglevand , et al. August 10, 2	2004-08-10
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell App 20030207159 - Bai, Lijun ; et al.	2003-11-06
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell App 20030203254 - Bai, Lijun ; et al.	2003-10-30
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell App 20030203249 - Bai, Lijun ; et al.	2003-10-30
Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Grant 6,620,538 - Bai , et al. September 16, 2	2003-09-16
Fuel cell App 20030138682 - Bai, Lijun ; et al.	2003-07-24
Method And Apparatus For Monitoring Equivalent Series Resistance And For Shunting A Fuel Cell App 20030138683 - Bai, Lijun ; et al.	2003-07-24
Ion exchange membrane fuel cell Grant 6,468,682 - Fuglevand , et al. October 22, 2	2002-10-22
Fuel cell power systems and methods of controlling a fuel cell power system Grant 6,387,556 - Fuglevand , et al. May 14, 2	2002-05-14
Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell Grant 6,383,556 - Lott , et al. May 7, 2	2002-05-07
Fuel cell power systems and methods of controlling a fuel cell power system App 20020031692 - Fuglevand, William A. ; et al.	2002-03-14
Fule cell power systems and methods of controlling a fule cell power system App 20020018922 - Fuglevand, William A. ; et al.	2002-02-14
Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell App 20010044373 - Lott, David R. ; et al.	2001-11-22
Proton exchange membrane fuel cell power system Grant 6,218,035 - Fuglevand , et al. April 17, 2	2001-04-17
Fuel cell and method for controlling same Grant 6,096,449 - Fuglevand , et al. August 1, 2	2000-08-01
Proton exchange membrane fuel cell power system Grant 6,030,718 - Fuglevand , et al. February 29, 2	2000-02-29

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