Inventor

DEVACK DONALD LEONARD

US4 patents

Patents

4 patents

US5937656AAug 17, 1999

Nonfreezing heat exchanger

PRAXAIR TECHNOLOGY INC23 citations90

US5701745ADec 30, 1997

Cryogenic cold shelf

PRAXAIR TECHNOLOGY INC21 citations90

US6622496B2Sep 23, 2003

External loop nonfreezing heat exchanger

PRAXAIR TECHNOLOGY INC16 citations82

US5802858ASep 8, 1998

Cryogenic cooling tower

PRAXAIR TECHNOLOGY INC7 citations71