Inventor · disambiguated record
David Edwards
Also filed as: EDWARDS DAVID · EDWARDS DAVID RYAN
13 granted patents·50 citations·filing 2014–2023
88Inventor score
Top patents by PatentIndex Score
13 records- 0196US9481696B1Thiophosphates and thiophosphate derivatives as lubricant additivesAFTON CHEMICAL CORP·Filed 2015·Granted Nov 1, 2016·21 cites·30 claims
- 0294US9518242B1Lubricant additive compositions containing thiophosphates and thiophosphate derivativesAFTON CHEMICAL CORP·Filed 2016·Granted Dec 13, 2016·11 cites·30 claims
- 0393US12054688B1Antiwear system for improved copper corrosionAFTON CHEMICAL CORP·Filed 2023·Granted Aug 6, 2024·2 cites·28 claims
- 0492US11958875B1Thiophosphoric acid products for antiwear additivesAFTON CHEMICAL CORP·Filed 2023·Granted Apr 16, 2024·2 cites·20 claims
- 0592US11884893B1Antiwear system for improved copper corrosionAFTON CHEMICAL CORP·Filed 2023·Granted Jan 30, 2024·1 cites·28 claims
- 0686US9885003B2Lubricant additive compositions containing thiophosphates and thiophosphate derivativesAFTON CHEMICAL CORP·Filed 2016·Granted Feb 6, 2018·2 cites·20 claims
- 0785US9090850B1Phosphorus anti-wear compounds for use in lubricant compositionsEDWARDS DAVID RYAN·Filed 2014·Granted Jul 28, 2015·8 cites·9 claims
- 0880US12378494B2Corrosion inhibitor and industrial lubricant including the sameAFTON CHEMICAL CORP·Filed 2023·Granted Aug 5, 2025·0 cites·21 claims
- 0975US10329511B2Lubricant compositions comprising thiophosphates and thiophosphate derivativesAFTON CHEMICAL CORP·Filed 2016·Granted Jun 25, 2019·1 cites·33 claims
- 1075US9944879B2Phosphorous-containing compounds and uses thereofAFTON CHEMICAL CORP·Filed 2015·Granted Apr 17, 2018·2 cites·44 claims
- 1171US11884892B1Antiwear system for improved copper corrosionAFTON CHEMICAL CORP·Filed 2023·Granted Jan 30, 2024·0 cites·27 claims
- 1264US11873461B1Extreme pressure additives with improved copper corrosionAFTON CHEMICAL CORP·Filed 2022·Granted Jan 16, 2024·0 cites·22 claims
- 1357US12024687B2Lubricating composition for motorcycle applicationsAFTON CHEMICAL CORP·Filed 2022·Granted Jul 2, 2024·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →