Inventor · disambiguated record
David F. Bettridge
Also filed as: BETTRIDGE DAVID · BETTRIDGE DAVID F · BETTRIDGE DAVID FREDERICK
5 granted patents·156 citations·filing 1974–2000
82Inventor score
Top patents by PatentIndex Score
5 records- 0191US5455119ACoating composition having good corrosion and oxidation resistancePRAXAIR TECHNOLOGY INC·Filed 1993·Granted Oct 3, 1995·96 cites·11 claims
- 0282US6444332B1Metallic article having a protective coating and a method of applying a protective coating to a metallic articleROLLS ROYCE PLC·Filed 2000·Granted Sep 3, 2002·19 cites·9 claims
- 0372US4009146AMethod of and mixture for aluminizing a metal surfaceROLLS ROYCE 1971 LTD·Filed 1974·Granted Feb 22, 1977·25 cites·7 claims
- 0451US6447924B1Titanium article having a protective coating and a method of applying a protective coating to a titanium articleROLLS ROYCE PLC·Filed 1999·Granted Sep 10, 2002·15 cites·22 claims
- 0521US4988575AMethod of providing titanium and alloys thereof with a protective coatingROLLS ROYCE PLC·Filed 1989·Granted Jan 29, 1991·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →