P

Inventor

EDWARDS DAVID

US54 patents
⚠️ This page may combine multiple inventors who share the name “EDWARDS DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AFTON CHEMICAL CORP

14 patents
US9481696B1Nov 1, 2016

Thiophosphates and thiophosphate derivatives as lubricant additives

AFTON CHEMICAL CORP21 citations90
US9518242B1Dec 13, 2016

Lubricant additive compositions containing thiophosphates and thiophosphate derivatives

AFTON CHEMICAL CORP11 citations82
US9885003B2Feb 6, 2018

Lubricant additive compositions containing thiophosphates and thiophosphate derivatives

AFTON CHEMICAL CORP2 citations71
US11958875B1Apr 16, 2024

Thiophosphoric acid products for antiwear additives

AFTON CHEMICAL CORP2 citations69
US12054688B1Aug 6, 2024

Antiwear system for improved copper corrosion

AFTON CHEMICAL CORP2 citations68
US9944879B2Apr 17, 2018

Phosphorous-containing compounds and uses thereof

AFTON CHEMICAL CORP2 citations64
US11667866B2Jun 6, 2023

Phosphorous containing compounds and uses thereof

AFTON CHEMICAL CORP0 citations62
US11066619B2Jul 20, 2021

Phosphorous containing compounds and uses thereof

AFTON CHEMICAL CORP0 citations62
US10329511B2Jun 25, 2019

Lubricant compositions comprising thiophosphates and thiophosphate derivatives

AFTON CHEMICAL CORP1 citations60
US11884892B1Jan 30, 2024

Antiwear system for improved copper corrosion

AFTON CHEMICAL CORP0 citations59
US11795412B1Oct 24, 2023

Lubricating composition for industrial gear fluids

AFTON CHEMICAL CORP0 citations59
US11884893B1Jan 30, 2024

Antiwear system for improved copper corrosion

AFTON CHEMICAL CORP1 citations56
US12378494B2Aug 5, 2025

Corrosion inhibitor and industrial lubricant including the same

AFTON CHEMICAL CORP0 citations55
US11873461B1Jan 16, 2024

Extreme pressure additives with improved copper corrosion

AFTON CHEMICAL CORP0 citations54

EDWARDS DAVID

5 patents

WHIRLPOOL CO

4 patents

ADVANCED INHALATION RES INC

3 patents

GEN ELECTRIC

3 patents

NCE PHARMACEUTICALS INC

2 patents

HONDA MOTOR CO LTD

2 patents

HIDDEN PATH ENTERTAINMENT INC

2 patents

PARKER HANNIFIN CORP

2 patents

PORTALS LTD

1 patent

COATS ROBERT MARTIN

1 patent

PORTALS BATHFORD LTD

1 patent

ALKERMES INC

1 patent

APPLE INC

1 patent

GM GLOBAL TECH OPERATIONS LLC

1 patent

BENCHERIF SIDI A

1 patent

GE HEALTHCARE LTD

1 patent

NATIONAL SCIENT COMPANY

1 patent

TANDBERG TELEVISION ASA

1 patent

RAYMOND CORP

1 patent

ROLLS ROYCE CORP

1 patent

IBM

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.