Inventor

ROYAL JOHN H

US5 patents

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

PRAXAIR TECHNOLOGY INC

3 patents

US6425250B1Jul 30, 2002

System for providing cryogenic refrigeration using an upstream pulse tube refrigerator

PRAXAIR TECHNOLOGY INC31 citations91

US9175691B2Nov 3, 2015

Gas compressor control system preventing vibration damage

PRAXAIR TECHNOLOGY INC4 citations69

US5303556AApr 19, 1994

Single column cryogenic rectification system for producing nitrogen gas at elevated pressure and high purity

PRAXAIR TECHNOLOGY INC14 citations69

UNION CARBIDE CORP

1 patent

US4401155AAug 30, 1983

Heat exchanger with extruded flow channels

UNION CARBIDE CORP54 citations93

ROYAL JOHN H

1 patent

US8925197B2Jan 6, 2015

Compressor thrust bearing surge protection

ROYAL JOHN H7 citations75