Inventor
O'NEIL JAMES A
US7 patents
⚠️ This page may combine multiple inventors who share the name “O'NEIL JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELIX TECH CORP
3 patentsUS6216467B1Apr 17, 2001
Cryogenic refrigerator with a gaseous contaminant removal system
HELIX TECH CORP39 citations90
US5862671AJan 26, 1999
Purge and rough cryopump regeneration process, cryopump and controller
HELIX TECH CORP38 citations89
US6530237B2Mar 11, 2003
Refrigeration system pressure control using a gas volume
HELIX TECH CORP17 citations76