IC

Ivan D. Chapman

General Motors: 8 patents #1,966 of 18,328Top 15%
Overall (All Time): #632,411 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10547064 Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnel Siguang Xu, Xi Yang, Liang Xi 2020-01-28
10522847 Seal contact pressure uniformity by inserting connection at bead corners Liang Xi, Xi Yang, Siguang Xu 2019-12-31
10211473 Reduction of pressure variation with stamped embossment at bead neighbors Xi Yang, Siguang Xu, Liang Xi 2019-02-19
10153499 Unsymmetric compact metal seal beads for fuel cell stack Siguang Xu 2018-12-11
8795921 Aligning method for repeating and non-repeating units in a fuel cell stack Jeffrey A. Rock, Benno Andreas-Schott, Thomas P. Migliore, Matthew J. Beutel, Mark W. Keyser 2014-08-05
8778551 Fluid flow pulsing for increased stability in PEM fuel cell Charles Mackintosh, Pinkhas A. Rapaport 2014-07-15
7820335 Plate for a fuel cell assembly Michael K. Budinski, William H. Pettit 2010-10-26
7794890 Aligning method for repeating and non-repeating units in a fuel cell stack Jeffrey A. Rock, Benno Andreas-Schott, Thomas P. Migliore, Matthew J. Beutel, Mark W. Keyser 2010-09-14