Inventor · disambiguated record
John A. Sawyer
Also filed as: SAWYER JOHN A
6 granted patents·148 citations·filing 1988–2003
85Inventor score
Top patents by PatentIndex Score
6 records- 0188US5078580APlural-stage gas compressorDRESSER RAND CO·Filed 1991·Granted Jan 7, 1992·76 cites·17 claims
- 0273US4957416AGas compressorDRESSER RAND CO·Filed 1989·Granted Sep 18, 1990·29 cites·9 claims
- 0366US7153112B2Compressor and a method for compressing fluidDRESSER RAND CO·Filed 2003·Granted Dec 26, 2006·14 cites·32 claims
- 0453US5435704ACapacity and volume ratio control valve assemblyDRESSER RAND CO·Filed 1994·Granted Jul 25, 1995·14 cites·8 claims
- 0542US4964332APiston and connecting pin assembly, a crosshead and connecting pin assembly, and a connecting pin assemblyDRESSER RAND CO·Filed 1989·Granted Oct 23, 1990·11 cites·10 claims
- 0632US4890542AHigh-pressure-fluid machine, a sealINGERSOLL RAND CO·Filed 1988·Granted Jan 2, 1990·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →