Assignee
IND SCIENT CORP
US54 patents
Top patents by PatentIndex Score
US6428684B1Aug 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
US10568019B2Feb 18, 2020
Worker safety system
IND SCIENT CORP16 citations93
US11096116B2Aug 17, 2021
System and method for continuing network intervals in a wireless mesh network
IND SCIENT CORP8 citations92
US10533965B2Jan 14, 2020
Combustible gas sensing element with cantilever support
IND SCIENT CORP23 citations92
US10470008B2Nov 5, 2019
Impact prevention using mobile beacons
IND SCIENT CORP10 citations92
US10469993B2Nov 5, 2019
Method of determining beacon relevance
IND SCIENT CORP10 citations92
US9575043B2Feb 21, 2017
Multi-sense environmental monitoring device and method
IND SCIENT CORP16 citations92
US6629444B2Oct 7, 2003
Method and apparatus for diagnosing gas sensors
IND SCIENT CORP21 citations92
US6447659B1Sep 10, 2002
Intrinsic shorting link for gas sensors
IND SCIENT CORP22 citations92
US6442639B1Aug 27, 2002
Docking station for environmental monitoring instruments
IND SCIENT CORP166 citations92
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
US5464983ANov 7, 1995
Method and apparatus for determining the concentration of a gas
IND SCIENT CORP54 citations91
US7281404B2Oct 16, 2007
Apparatus and method for testing gas detection instruments
IND SCIENT CORP20 citations90
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
US6997347B2Feb 14, 2006
Apparatus and method for generating calibration gas
IND SCIENT CORP47 citations90
US9064386B2Jun 23, 2015
Alarm enhancing protective cover for safety instruments with optional calibration chamber
IND SCIENT CORP27 citations89
US6284545B1Sep 4, 2001
Filter for gas sensor
IND SCIENT CORP37 citations86
US10557839B2Feb 11, 2020
Multi-sense environmental monitoring device and method
IND SCIENT CORP12 citations85
US11356807B2Jun 7, 2022
Systems and methods of beacon broadcast in response to sensor data
IND SCIENT CORP3 citations84
US11246187B2Feb 8, 2022
Worker safety system with scan mode
IND SCIENT CORP7 citations84
US10694336B2Jun 23, 2020
Systems and methods of active beacons
IND SCIENT CORP8 citations84
US10674317B2Jun 2, 2020
Systems and methods of muster with beacons and gateways
IND SCIENT CORP6 citations84
US10536811B2Jan 14, 2020
Systems and methods of beacon broadcasts with range of relevance
IND SCIENT CORP4 citations84
US7275411B2Oct 2, 2007
Apparatus and method for testing gas detection instruments
IND SCIENT CORP11 citations84
US11412441B2Aug 9, 2022
Worker safety system
IND SCIENT CORP5 citations83
US11202247B2Dec 14, 2021
System and method for providing information about a leader node to follower nodes in a wireless mesh communication network
IND SCIENT CORP5 citations83
US11115906B2Sep 7, 2021
Static memory device with shared memory for an instrument and a wireless radio
IND SCIENT CORP5 citations83
US11096117B2Aug 17, 2021
System and method for dynamically determining a transmission period of a network interval
IND SCIENT CORP6 citations83
US6888467B2May 3, 2005
Gas detection instrument and method for its operation
IND SCIENT CORP14 citations83
US6742382B2Jun 1, 2004
Combustible gas detector and method for its operation
IND SCIENT CORP14 citations83
US6679094B2Jan 20, 2004
Calibration adapter for gas detection instrument
IND SCIENT CORP17 citations83
US10690622B2Jun 23, 2020
Portable gas sensing instrument
IND SCIENT CORP10 citations82
US10690623B2Jun 23, 2020
System and method for portable and area detection with a heat index sensor
IND SCIENT CORP10 citations75
US11889385B2Jan 30, 2024
Systems and methods of beacon broadcast in response to sensor data
IND SCIENT CORP2 citations73
US12035222B2Jul 9, 2024
System and method of a satellite-enabled mobile gateway device
IND SCIENT CORP2 citations72
US11722949B2Aug 8, 2023
Static memory device with shared memory for an instrument and a wireless radio
IND SCIENT CORP2 citations72
US11582681B2Feb 14, 2023
System and method for tracking an operator with a safety device
IND SCIENT CORP2 citations72
US5394094AFeb 28, 1995
Portable gas sensor utilizing fault protective battery cap
IND SCIENT CORP18 citations67
US10324073B2Jun 18, 2019
Modular gas monitoring system
IND SCIENT CORP4 citations66
US12389309B2Aug 12, 2025
System and method of a mobile gateway device
IND SCIENT CORP0 citations62
USD998478SSep 12, 2023
Gas monitoring device
IND SCIENT CORP0 citations56
Showing the top 50 of 54 patents by PatentIndex Score.