Inventor
XI LIANG
US30 patents
⚠️ This page may combine multiple inventors who share the name “XI LIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
22 patentsUS10601063B2Mar 24, 2020
Method of manufacturing a fuel cell stack
GM GLOBAL TECH OPERATIONS LLC2 citations73
US10497948B2Dec 3, 2019
Fuel cell stack with asymmetrical bipolar plates
GM GLOBAL TECH OPERATIONS LLC2 citations73
US11431002B2Aug 30, 2022
Fuel cell microseal and a method of manufacture thereof
GM GLOBAL TECH OPERATIONS LLC2 citations71
US10297811B2May 21, 2019
Fuel cell stack
GM GLOBAL TECH OPERATIONS LLC2 citations70
US10991955B2Apr 27, 2021
Header flange to evenly distribute contact pressure across seals
GM GLOBAL TECH OPERATIONS LLC0 citations61
US10388969B2Aug 20, 2019
Bipolar plate for a fuel cell, and a method manufacturing the same
GM GLOBAL TECH OPERATIONS LLC1 citations60
US10355289B2Jul 16, 2019
Plate structure for a fuel cell
GM GLOBAL TECH OPERATIONS LLC1 citations60
US12500284B2Dec 16, 2025
Prismatic battery can with a thermally conductive insert
GM GLOBAL TECH OPERATIONS LLC0 citations57
US11329296B2May 10, 2022
Displacement absorption tunnels for circular beads
GM GLOBAL TECH OPERATIONS LLC0 citations55
US10811697B2Oct 20, 2020
Fuel cells, half plates, and methods for designing the same
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10629938B2Apr 21, 2020
Fuel cell end plate unit and stack
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10468707B2Nov 5, 2019
Fuel cell stack assembly
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10388979B2Aug 20, 2019
Method of manufacturing a fuel cell stack
GM GLOBAL TECH OPERATIONS LLC0 citations52
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
US10411272B2Sep 10, 2019
Optimization of tunnel location for uniform contact pressure distribution
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
US10522852B2Dec 31, 2019
Reinforcement structure for bead seal in a plate assembly
GM GLOBAL TECH OPERATIONS LLC0 citations50
US10347921B2Jul 9, 2019
Header flange to evenly distribute contact pressure across seals
GM GLOBAL TECH OPERATIONS LLC0 citations48
US12592409B2Mar 31, 2026
Apparatus for a prismatic battery cell with built-in springs
GM GLOBAL TECH OPERATIONS LLC0 citations44
US10333158B2Jun 25, 2019
Plate assembly having sealing members in an offset alignment
GM GLOBAL TECH OPERATIONS LLC0 citations41
US10529996B2Jan 7, 2020
Header design employing generally regular shapes
GM GLOBAL TECH OPERATIONS LLC0 citations40
US10522847B2Dec 31, 2019
Seal contact pressure uniformity by inserting connection at bead corners
GM GLOBAL TECH OPERATIONS LLC0 citations40
PAYPAL INC
6 patentsUS11757825B2Sep 12, 2023
Mid-tier messaging system
PAYPAL INC7 citations81
US11533287B2Dec 20, 2022
Mid-tier messaging system
PAYPAL INC1 citations68
US10911396B2Feb 2, 2021
Mid-tier messaging system
PAYPAL INC3 citations68
US10320980B2Jun 11, 2019
User device detection and integration for an IVR system
PAYPAL INC0 citations49
US9936070B2Apr 3, 2018
User device detection and integration for an IVR system
PAYPAL INC0 citations49
US12561351B2Feb 24, 2026
Knowledge bot as a service
PAYPAL INC0 citations37