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John A. Sawyer

DR Dresser-Rand: 6 patents #19 of 306Top 7%
IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
📍 Trout Run, PA: #1 of 9 inventorsTop 15%
🗺 Pennsylvania: #11,794 of 74,527 inventorsTop 20%
Overall (All Time): #755,938 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7153112 Compressor and a method for compressing fluid Philip A. Zarnoch, Michael A. Cary 2006-12-26
5435704 Capacity and volume ratio control valve assembly 1995-07-25
RE34367 High-pressure-fluid machine, a seal Bernard F. Miller, Wayne F. Wehber 1993-09-07
5078580 Plural-stage gas compressor Bernard F. Miller 1992-01-07
4964332 Piston and connecting pin assembly, a crosshead and connecting pin assembly, and a connecting pin assembly 1990-10-23
4957416 Gas compressor Bernard F. Miller 1990-09-18
4890542 High-pressure-fluid machine, a seal Bernard F. Miller, Wayne F. Wehber 1990-01-02