Inventor
DING ZHONGFEN
US36 patents
⚠️ This page may combine multiple inventors who share the name “DING ZHONGFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
14 patentsUS11466589B2Oct 11, 2022
Environmental barrier coating with porous bond coat layer
UNITED TECHNOLOGIES CORP3 citations72
US10480093B2Nov 19, 2019
Sealing process for an anodized aluminum-alloy surface
UNITED TECHNOLOGIES CORP4 citations72
US10138561B2Nov 27, 2018
Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate
UNITED TECHNOLOGIES CORP2 citations72
US11274828B2Mar 15, 2022
Article with bond coat layer and layer of networked ceramic nanofibers
UNITED TECHNOLOGIES CORP0 citations62
US11136674B2Oct 5, 2021
Turbine blade internal hot corrosion oxide cleaning
UNITED TECHNOLOGIES CORP0 citations62
US10919180B2Feb 16, 2021
Repair process using networked ceramic nanofibers
UNITED TECHNOLOGIES CORP0 citations62
US10837681B2Nov 17, 2020
Electrocaloric heat transfer system
UNITED TECHNOLOGIES CORP1 citations62
US11591918B2Feb 28, 2023
Article with ceramic barrier coating and layer of networked ceramic nanofibers
UNITED TECHNOLOGIES CORP0 citations61
US11542208B2Jan 3, 2023
Environmental barrier coating
UNITED TECHNOLOGIES CORP0 citations61
US10801123B2Oct 13, 2020
Method of sealing an anodized metal article
UNITED TECHNOLOGIES CORP1 citations58
US10316414B2Jun 11, 2019
Removing material with nitric acid and hydrogen peroxide solution
UNITED TECHNOLOGIES CORP0 citations52
US10094227B2Oct 9, 2018
Gas turbine engine blade tip treatment
UNITED TECHNOLOGIES CORP0 citations51
US10892499B2Jan 12, 2021
Flow battery flow field having volume that is function of power parameter, time parameter and concentration parameter
UNITED TECHNOLOGIES CORP0 citations50
US10359383B2Jul 23, 2019
Method of detecting galvanic insulation integrity
UNITED TECHNOLOGIES CORP0 citations41
RAYTHEON TECH CORP
5 patentsUS11781486B2Oct 10, 2023
Ceramic component having silicon layer and barrier layer
RAYTHEON TECH CORP2 citations73
US11555452B1Jan 17, 2023
Ceramic component having silicon layer and barrier layer
RAYTHEON TECH CORP2 citations73
US12076885B2Sep 3, 2024
Repair process using networked ceramic nanofibers
RAYTHEON TECH CORP0 citations62
US11674448B2Jun 13, 2023
Seal system having silicon layer and barrier layer
RAYTHEON TECH CORP0 citations62
US11821327B2Nov 21, 2023
Environmental barrier coating with porous bond coat layer
RAYTHEON TECH CORP1 citations61
HAMILTON SUNDSTRAND CORP
4 patentsUS10760164B2Sep 1, 2020
Two-step sealing of anodized aluminum coatings
HAMILTON SUNDSTRAND CORP6 citations73
US11959178B2Apr 16, 2024
Treated anodized metal article and method of making
HAMILTON SUNDSTRAND CORP0 citations62
US11473201B2Oct 18, 2022
Treated anodized metal article and method of making
HAMILTON SUNDSTRAND CORP0 citations62
US10851461B2Dec 1, 2020
Treated anodized metal article and method of making
HAMILTON SUNDSTRAND CORP0 citations52
GOODRICH CORP
4 patentsUS12559634B2Feb 24, 2026
Oxidation protective systems and methods of manufacture
GOODRICH CORP0 citations59
US11014330B2May 25, 2021
Veneer panel with thin thermally conductive layer
GOODRICH CORP0 citations58
US12583785B2Mar 24, 2026
Advanced oxidation protection system with broad temperature range capability
GOODRICH CORP0 citations45
US10744355B2Aug 18, 2020
Heat resistant systems and methods
GOODRICH CORP0 citations38
KIDDE TECH INC
3 patentsRTX CORP
3 patentsUS11780799B2Oct 10, 2023
Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate
RTX CORP0 citations62
US12134829B2Nov 5, 2024
Sealing process for an anodized aluminum-alloy surface
RTX CORP0 citations61
US12281575B2Apr 22, 2025
Ceramic component having silicon layer and barrier layer
RTX CORP0 citations52
OTIS ELEVATOR CO
3 patentsUS10029887B2Jul 24, 2018
Electroless metal coating of load bearing member for elevator system
OTIS ELEVATOR CO0 citations51
US10336579B2Jul 2, 2019
Metal coating of load bearing member for elevator system
OTIS ELEVATOR CO0 citations41
US10472210B2Nov 12, 2019
Load bearing member for an elevator system having a metalized polymer coating
OTIS ELEVATOR CO0 citations40