Inventor · disambiguated record
Xiaoyuan Chang
Also filed as: CHANG XIAOYUAN
10 granted patents·3 pending applications·37 citations·filing 2001–2022
84Inventor score
Files withOTIS ELEVATOR CO8CHANG XIAOYUAN2CARRIER CORP1GORBOUNOV MIKHAIL B1UNITED TECHNOLOGIES CORP1
Top patents by PatentIndex Score
13 records- 0182US11713211B2Elevator belt surface protection for installationOTIS ELEVATOR CO·Filed 2022·Granted Aug 1, 2023·0 cites·13 claims
- 0281US7341677B2Non-carcinogenic corrosion inhibiting additiveUNITED TECHNOLOGIES CORP·Filed 2003·Granted Mar 11, 2008·19 cites·8 claims
- 0380US8091620B2Multi-channel flat-tube heat exchangerGORBOUNOV MIKHAIL B·Filed 2005·Granted Jan 10, 2012·12 cites·6 claims
- 0479US10647547B2Methods and apparatuses for applying a substrate onto an elevator sheaveOTIS ELEVATOR CO·Filed 2017·Granted May 12, 2020·1 cites·12 claims
- 0578US11111108B2Coated sheaveOTIS ELEVATOR CO·Filed 2018·Granted Sep 7, 2021·1 cites·7 claims
- 0672US2021362981A1Coated sheaveOTIS ELEVATOR CO·Filed 2021·Application pending·0 cites
- 0769US11511970B2High friction and wear resistant elevator sheave linerOTIS ELEVATOR CO·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 0866US11407616B2Elevator belt surface protection for installationOTIS ELEVATOR CO·Filed 2020·Granted Aug 9, 2022·0 cites·17 claims
- 0959US6889179B2Method of simulating environmental exposureCARRIER CORP·Filed 2001·Granted May 3, 2005·4 cites·15 claims
- 1049US9701517B2Methods and apparatuses for applying a substrate onto an elevator sheaveCHANG XIAOYUAN·Filed 2012·Granted Jul 11, 2017·0 cites·8 claims
- 1144US10023432B2Guide rail for elevatorOTIS ELEVATOR CO·Filed 2013·Granted Jul 17, 2018·0 cites·16 claims
- 1242US2020055706A1Elevator sheave traction surfaceOTIS ELEVATOR CO·Filed 2018·Application pending·0 cites
- 1330US2013171463A1Load bearing member having protective coating and method thereforCHANG XIAOYUAN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →