Inventor · disambiguated record
Siguang Xu
Also filed as: XU SIGUANG
26 granted patents·11 pending applications·17 citations·filing 2010–2024
92Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC33GM GLOBAL TECH OPERATIONS INC1HONDA MOTOR CO LTD1MILLER DANIEL P1XU SIGUANG1
Top patents by PatentIndex Score
37 records- 0187US11431002B2Fuel cell microseal and a method of manufacture thereofGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Aug 30, 2022·2 cites·20 claims
- 0287US10297811B2Fuel cell stackGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted May 21, 2019·2 cites·22 claims
- 0387US10153499B2Unsymmetric compact metal seal beads for fuel cell stackGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Dec 11, 2018·3 cites·17 claims
- 0486US10497948B2Fuel cell stack with asymmetrical bipolar platesGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 3, 2019·2 cites·16 claims
- 0577US8465879B2Reinforced fuel cell metal plate perimeterMILLER DANIEL P·Filed 2010·Granted Jun 18, 2013·2 cites·20 claims
- 0676US10388969B2Bipolar plate for a fuel cell, and a method manufacturing the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Aug 20, 2019·1 cites·10 claims
- 0776US10355289B2Plate structure for a fuel cellGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 16, 2019·1 cites·18 claims
- 0876US8778567B1Unique pre-form design for two-step forming of stainless steel fuel cell bipolar platesGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jul 15, 2014·2 cites·22 claims
- 0973US2025293270A1Method of shaping bipolar platesGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1073US2025293272A1Metal bead seal buckling load and pressure uniformity with an enforcement layerGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1171US9008813B2Method to improve the dimensional accuracy and surface quality for large spring back compensation for fuel cell bipolar plate formingXU SIGUANG·Filed 2011·Granted Apr 14, 2015·2 cites·20 claims
- 1271US2025006969A1Impact energy attenuation system for a fuel cellGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 1370US2025046831A1Multi-layer seal for severe fuel cell applicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 1467US10811697B2Fuel cells, half plates, and methods for designing the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 20, 2020·0 cites·14 claims
- 1563US10991955B2Header flange to evenly distribute contact pressure across sealsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Apr 27, 2021·0 cites·18 claims
- 1662US10347921B2Header flange to evenly distribute contact pressure across sealsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 9, 2019·0 cites·19 claims
- 1759US10468707B2Fuel cell stack assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Nov 5, 2019·0 cites·18 claims
- 1858US2018212259A1Fuel cell microseal and a method of manufacture thereofGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 1957US10388979B2Method of manufacturing a fuel cell stackGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 20, 2019·0 cites·17 claims
- 2054US10629938B2Fuel cell end plate unit and stackGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Apr 21, 2020·0 cites·16 claims
- 2154US9406945B2Die clearance control for thin sheet stainless steel BPP formingGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Aug 2, 2016·0 cites·19 claims
- 2253US10522852B2Reinforcement structure for bead seal in a plate assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 31, 2019·0 cites·19 claims
- 2353US10411272B2Optimization of tunnel location for uniform contact pressure distributionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 10, 2019·0 cites·18 claims
- 2452US10547064B2Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnelGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 28, 2020·0 cites·17 claims
- 2552US10211473B2Reduction of pressure variation with stamped embossment at bead neighborsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Feb 19, 2019·0 cites·18 claims
- 2649US11329296B2Displacement absorption tunnels for circular beadsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted May 10, 2022·0 cites·20 claims
- 2748US10529996B2Header design employing generally regular shapesGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jan 7, 2020·0 cites·12 claims
- 2848US10522847B2Seal contact pressure uniformity by inserting connection at bead cornersGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Dec 31, 2019·0 cites·13 claims
- 2948US10369613B2Die assembly for a stamping pressGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 6, 2019·0 cites·20 claims
- 3044US10333158B2Plate assembly having sealing members in an offset alignmentGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jun 25, 2019·0 cites·14 claims
- 3144US2019296374A1Methods for manufacturing unipolar and bipolar plates for fuel cellsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Application pending·0 cites
- 3243US2019143389A1Method for manufacturing a stamped memberGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 3342US11011758B2Fuel cell and metallic separator with varied bead seal width and angleHONDA MOTOR CO LTD·Filed 2017·Granted May 18, 2021·0 cites·11 claims
- 3441US2018131016A1Metal bead seal tunnel arrangementGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 3541US2018123144A1Design of tunnel layout for a more uniformed contact pressure distribution at the intersection between metal bead seal and tunnelGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 3641US2018248203A1System and method for manufacturing channels in a bipolar plateGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 3740US2018123141A1Metal bead with stamped compression limiterGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Siguang Xu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →