Inventor
LEPOFSKY ROBERT J
US10 patents
⚠️ This page may combine multiple inventors who share the name “LEPOFSKY ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELIX TECH CORP
9 patentsUS5443368AAug 22, 1995
Turbomolecular pump with valves and integrated electronic controls
HELIX TECH CORP133 citations96
US6902378B2Jun 7, 2005
Electronically controlled vacuum pump
HELIX TECH CORP49 citations95
US6022195AFeb 8, 2000
Electronically controlled vacuum pump with control module
HELIX TECH CORP80 citations95
US4918930AApr 24, 1990
Electronically controlled cryopump
HELIX TECH CORP103 citations95
US5157928AOct 27, 1992
Electronically controlled cryopump
HELIX TECH CORP61 citations94
US4910965AMar 27, 1990
Means for periodic desorption of a cryopump
HELIX TECH CORP27 citations92
US6461113B1Oct 8, 2002
Electronically controlled vacuum pump
HELIX TECH CORP36 citations91
US6474080B2Nov 5, 2002
Cryopump system with modular electronics
HELIX TECH CORP2 citations59
US6318091B1Nov 20, 2001
Cryopump system with modular electronics
HELIX TECH CORP2 citations59