Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David R. Lott — 26 Patents

RERelion: 13 patents #1 of 20Top 5%
ALAvista Laboratories: 5 patents #3 of 14Top 25%
IBM: 2 patents #32,909 of 70,183Top 50%
AVAvista: 1 patents #13 of 28Top 50%
PPPlug Power: 1 patents #81 of 157Top 55%
Spokane, WA: #22 of 1,134 inventorsTop 2%
Washington: #3,231 of 76,902 inventorsTop 5%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
David R. Lott has been granted 26 US patents while listed as an inventor at Relion. The first was granted in 2000 and the most recent in December 2021. David R. Lott ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list David R. Lott in Spokane, WA, US.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11202876 Apparatus for performing a cricothyrotomy/tracheotomy and method therefor Bryan Hooppaw 2021-12-21
10957929 Fuel cell stack Scott A. Spink, Arrol Bryant 2021-03-23 $485,724,000
10391271 Apparatus for performing a cricothyrotomy/tracheotomy and method therefor Bryan Hooppaw 2019-08-27
9293778 Proton exchange membrane fuel cell Scott A. Spink, Matthew M. Wright, Dinesh S. Yemul, William A. Fuglevand, Shiblihanna I. Bayuuk +2 more 2016-03-22
9012101 Fuel cell stacks Dinesh S. Yemul, Scott A. Spink, Lijun Bai 2015-04-21
8597846 Proton exchange membrane fuel cell stack and fuel cell stack module Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher 2013-12-03
8192889 Proton exchange membrane fuel cell stack and fuel cell stack module Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher 2012-06-05
8026020 Proton exchange membrane fuel cell stack and fuel cell stack module Scott A. Spink, Matthew M. Wright, Eric J. Ryan, Dinesh S. Yemul, John Fisher 2011-09-27
8003274 Direct liquid fuel cell Scott A. Spink, William A. Fuglevand 2011-08-23
7925886 Encryption output data generation method and system 2011-04-12 $5,593,000
7722972 Apparatus and method for controlling a fuel cell using the rate of voltage recovery Lijun Bai, Mark R. Hernick 2010-05-25
7694147 Hashing method and system 2010-04-06 $5,890,000
RE39556 Fuel cell and method for controlling same William A. Fuglevand, Peter David DeVries, Greg Lloyd, John P. Scartozzi 2007-04-10
7049017 Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Lijun Bai, Vanell L. Martin 2006-05-23
6982129 Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Lijun Bai, Vanell L. Martin 2006-01-03
6828050 Fuel cell Lijun Bai, Wade A. Huravitch, Vanell L. Martin 2004-12-07
6811906 Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Lijun Bai, Vanell L. Martin 2004-11-02
6805987 Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Lijun Bai, Vanell L. Martin 2004-10-19
6773839 Fuel cell power systems and methods of controlling a fuel cell power system William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi 2004-08-10
6620538 Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell Lijun Bai, Vanell L. Martin 2003-09-16
6468682 Ion exchange membrane fuel cell William A. Fuglevand, Peter David DeVries, Glen Alden Lloyd, John P. Scartozzi 2002-10-22
6387556 Fuel cell power systems and methods of controlling a fuel cell power system William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi 2002-05-14
6383556 Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell P. David DeVries 2002-05-07
6218035 Proton exchange membrane fuel cell power system William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter David DeVries, John P. Scartozzi +2 more 2001-04-17
6096449 Fuel cell and method for controlling same William A. Fuglevand, Peter David DeVries, Greg Lloyd, John P. Scartozzi 2000-08-01