Inventor

SIRMAN JOHN DERRICK

US2 patents

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

NORMALAIR GARRETT LTD

1 patent

US6203676B1Mar 20, 2001

Ionic conduction device

NORMALAIR GARRETT LTD25 citations90

PRAXAIR TECHNOLOGY INC

1 patent

US6514314B2Feb 4, 2003

Ceramic membrane structure and oxygen separation method

PRAXAIR TECHNOLOGY INC32 citations88