Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Richard H. Blunk — 42 Patents

General Motors: 42 patents #216 of 18,328Top 2%
Macomb Township, MI: #5 of 270 inventorsTop 2%
Michigan: #1,237 of 86,293 inventorsTop 2%
Overall (All Time): #73,700 of 4,157,543Top 2%
42 Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7709145 Hydrophilic surface modification of bipolar plate Mahmoud H. Abd Elhamid, Gayatri Vyas, Yang-Tse Cheng 2010-05-04
7709116 Low contact resistance PEM fuel cell Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail 2010-05-04
7700212 Bipolar plate with enhanced stability Mahmoud H. Abd Elhamid, Gayatri Vyas, Youssef M. Mikhail, Daniel Lisi 2010-04-20
7687175 Hybrid bipolar plate assembly and devices incorporating same Mahmoud H. Abd Elhamid, Youssef M. Mikhail 2010-03-30
7632592 Method of fabricating corrosion-resistant bipolar plate Gayatri Vyas, Mahmoud H. Abd Elhamid, Youssef M. Mikhail 2009-12-15
7452617 Fuel cell dielectric coolant and evaporative cooling process using same Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail 2008-11-18
7416810 Low contact resistance PEM fuel cell Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail 2008-08-26
7300719 Porous diffusion media and bipolar plate assembly with anion exchange resin and devices incorporating same Mahmoud H. Abd Elhamid, Youssef M. Mikhail 2007-11-27
7285353 PEM fuel cell separator plate Daniel Lisi, Mahmoud Abd Elhamid, Youssef M. Mikhail 2007-10-23
7261963 Corrosion resistant, electrically and thermally conductive coating for multiple applications Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Daniel Lisi 2007-08-28
7195836 Polymeric separator plates Daniel Lisi, John N. Owens, Youssef M. Mikhail, Mahmoud H. Abd Elhamid 2007-03-27
6942941 Adhesive bonds for metalic bipolar plates Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail, Michael K. Budinski 2005-09-13
6887610 Joining of bipolar plates in proton exchange membrane fuel cell stacks Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Daniel Lisi 2005-05-03
6827747 PEM fuel cell separator plate Daniel Lisi, Mahmoud H. Abd Elhamid, Youssef M. Mikhail 2004-12-07
6811918 Low contact resistance PEM fuel cell Mahmoud H. Abd Elhamid, Daniel Lisi, Youssef M. Mikhail 2004-11-02
6740440 Inexpensive dielectric coolant for fuel cell stacks Mahmoud H. Abd Elhamid, Youssef M. Mikhail, Daniel Lisi 2004-05-25
6607857 Fuel cell separator plate having controlled fiber orientation and method of manufacture Charles L. Tucker, Yeong-Eun Yoo, Daniel Lisi 2003-08-19