Inventor
WARBURTON P RICHARD
US18 patents
⚠️ This page may combine multiple inventors who share the name “WARBURTON P RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND SCIENT CORP
14 patentsUS6428684B1Aug 6, 2002
Method and apparatus for diagnosing the condition of a gas sensor
IND SCIENT CORP143 citations97
US6666963B1Dec 23, 2003
Oxygen sensor
IND SCIENT CORP57 citations96
US6632674B1Oct 14, 2003
Method of testing gas detection instruments and associated apparatus
IND SCIENT CORP66 citations96
US6165347ADec 26, 2000
Method of identifying a gas
IND SCIENT CORP72 citations96
US6096186AAug 1, 2000
Method for determining exhaustion of an electrochemical gas sensor
IND SCIENT CORP55 citations96
US6435003B1Aug 20, 2002
Method of identifying a gas and associated apparatus
IND SCIENT CORP17 citations92
US6370940B2Apr 16, 2002
Apparatus for determining concentration of a gas
IND SCIENT CORP20 citations92
US6338266B1Jan 15, 2002
Method of identifying a gas and associated apparatus
IND SCIENT CORP19 citations92
US6055840AMay 2, 2000
Method and apparatus for determining concentration of a gas
IND SCIENT CORP24 citations92
US5902467AMay 11, 1999
Oxygen sensor based on a metal-air battery
IND SCIENT CORP27 citations91
US7041256B2May 9, 2006
Poison resistant combustible gas sensors and method for warning of poisoning
IND SCIENT CORP22 citations90
US7007542B2Mar 7, 2006
Method of warning of poisoning in poison resistant combustible gas sensors
IND SCIENT CORP36 citations90
US6284545B1Sep 4, 2001
Filter for gas sensor
IND SCIENT CORP37 citations86
US6742382B2Jun 1, 2004
Combustible gas detector and method for its operation
IND SCIENT CORP14 citations83