Inventor
CHAPMAN IVAN D
US7 patents
⚠️ This page may combine multiple inventors who share the name “CHAPMAN IVAN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
4 patentsUS10153499B2Dec 11, 2018
Unsymmetric compact metal seal beads for fuel cell stack
GM GLOBAL TECH OPERATIONS LLC3 citations70
US10547064B2Jan 28, 2020
Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnel
GM GLOBAL TECH OPERATIONS LLC0 citations51
US10211473B2Feb 19, 2019
Reduction of pressure variation with stamped embossment at bead neighbors
GM GLOBAL TECH OPERATIONS LLC0 citations51
US10522847B2Dec 31, 2019
Seal contact pressure uniformity by inserting connection at bead corners
GM GLOBAL TECH OPERATIONS LLC0 citations40