Inventor
ZHANG YANSHI
US36 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG YANSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUBRIZOL CORP
24 patentsUS9868919B2Jan 16, 2018
Lubricating composition containing lewis acid reaction product
LUBRIZOL CORP2 citations73
US11384308B2Jul 12, 2022
Alkyl phosphate amine salts for use in lubricants
LUBRIZOL CORP2 citations71
US11168278B2Nov 9, 2021
Alkyl phosphate amine salts for use in lubricants
LUBRIZOL CORP2 citations71
US9663744B2May 30, 2017
Dispersant viscosity modifiers
LUBRIZOL CORP2 citations71
US10961481B2Mar 30, 2021
Thiol-carboxylic adducts as lubricating additives
LUBRIZOL CORP0 citations62
US10196580B2Feb 5, 2019
Lubricating composition with seals compatibility
LUBRIZOL CORP1 citations61
US11162048B2Nov 2, 2021
Lubricating composition with alkylated naphthylamine
LUBRIZOL CORP0 citations60
US11053449B2Jul 6, 2021
Thioether-containing phenolic compounds
LUBRIZOL CORP0 citations60
US11136522B2Oct 5, 2021
Azole derivatives as lubricating additives
LUBRIZOL CORP0 citations59
US10988701B2Apr 27, 2021
Lubricating composition containing an oxyalkylated hydrocarbyl phenol
LUBRIZOL CORP0 citations59
US10364402B2Jul 30, 2019
Lubricating composition containing an oxyalkylated aromatic polyol compound
LUBRIZOL CORP1 citations59
US12305141B2May 20, 2025
Zinc free lubricating compositions and methods of using the same
LUBRIZOL CORP0 citations58
US11859148B2Jan 2, 2024
Basic ashless additives and lubricating compositions containing same
LUBRIZOL CORP0 citations58
US12152216B2Nov 26, 2024
Benzazepine compounds as antioxidants for lubricant compositions
LUBRIZOL CORP0 citations54
US12371631B2Jul 29, 2025
Basic ashless additives and lubricating compositions containing same
LUBRIZOL CORP0 citations51
US10358619B2Jul 23, 2019
Hydroxy functionalized ashless additive
LUBRIZOL CORP0 citations51
US10113132B2Oct 30, 2018
Coupled phenols for use in biodiesel engines
LUBRIZOL CORP0 citations51
US10787622B2Sep 29, 2020
Lubricating composition for lead and copper corrosion inhibition
LUBRIZOL CORP0 citations50
US10443012B2Oct 15, 2019
Lubricating oil composition
LUBRIZOL CORP0 citations50
US11111451B2Sep 7, 2021
Mercaptoazole derivatives as lubricating additives
LUBRIZOL CORP0 citations49
US10501701B2Dec 10, 2019
Lubricating composition containing an oxyalkylated aromatic polyol compound
LUBRIZOL CORP0 citations49
US10336963B2Jul 2, 2019
Aromatic tetrahedral borate compounds for lubricating compositions
LUBRIZOL CORP0 citations47
US10077413B2Sep 18, 2018
Lubricating composition containing a detergent
LUBRIZOL CORP0 citations39
US10041018B2Aug 7, 2018
Lubricating composition
LUBRIZOL CORP0 citations39
GEN ELECTRIC
8 patentsUS7985339B2Jul 26, 2011
Polyarylether compositions bearing zwitterion functionalities
GEN ELECTRIC7 citations84
US7959808B2Jun 14, 2011
Polysulfone membranes methods and apparatuses
GEN ELECTRIC7 citations84
US7695628B2Apr 13, 2010
Polyarylether membranes
GEN ELECTRIC3 citations62
US7964697B2Jun 21, 2011
Polyarylether membranes
GEN ELECTRIC0 citations52
US7834134B2Nov 16, 2010
Polyarylethers, blends and methods for making
GEN ELECTRIC0 citations52
US7681741B2Mar 23, 2010
Functional polyarylethers
GEN ELECTRIC1 citations52
US7669720B2Mar 2, 2010
Functional polyarylethers
GEN ELECTRIC1 citations52
US7977451B2Jul 12, 2011
Polyarylether membranes
GEN ELECTRIC0 citations41