Inventor
BILLS DANIEL G
US10 patents
⚠️ This page may combine multiple inventors who share the name “BILLS DANIEL G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRANVILLE PHILLIPS COMPANY
7 patentsUS5422573AJun 6, 1995
Ionization gauge and method of using and calibrating same
GRANVILLE PHILLIPS COMPANY54 citations95
US5296817AMar 22, 1994
Ionization gauge and method of using and calibrating same
GRANVILLE PHILLIPS COMPANY22 citations91
US5250906AOct 5, 1993
Ionization gauge and method of using and calibrating same
GRANVILLE PHILLIPS COMPANY38 citations91
US5128617AJul 7, 1992
Ionization vacuum gauge with emission of electrons in parallel paths
GRANVILLE PHILLIPS COMPANY35 citations91
US4636680AJan 13, 1987
Vacuum gauge
GRANVILLE PHILLIPS COMPANY24 citations81
US5452613ASep 26, 1995
Wide range vacuum gauge
GRANVILLE PHILLIPS COMPANY15 citations72
US4307323ADec 22, 1981
Vacuum gauge
GRANVILLE PHILLIPS COMPANY14 citations72
HELIX TECH CORP
3 patentsUS6945119B2Sep 20, 2005
Apparatus and methods for heat loss pressure measurement
HELIX TECH CORP17 citations92
US6865952B2Mar 15, 2005
Apparatus and methods for heat loss pressure measurement
HELIX TECH CORP36 citations92
US6938493B2Sep 6, 2005
Apparatus and methods for heat loss pressure measurement
HELIX TECH CORP6 citations73