Inventor
RICH DAVID R
US34 patents
⚠️ This page may combine multiple inventors who share the name “RICH DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIC INVESTMENTS LLC
12 patentsUS7775207B2Aug 17, 2010
Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
RIC INVESTMENTS LLC37 citations96
US7066176B2Jun 27, 2006
Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
RIC INVESTMENTS LLC59 citations96
US7684931B2Mar 23, 2010
Gas monitoring system and sidestream gas measurement system adapted to communicate with a mainstream gas measurement system
RIC INVESTMENTS LLC35 citations92
US7606668B2Oct 20, 2009
Gas monitoring system and method
RIC INVESTMENTS LLC36 citations92
US7341563B2Mar 11, 2008
Sidestream gas sampling system with detachable sample cell
RIC INVESTMENTS LLC30 citations92
US7059322B2Jun 13, 2006
Low deadspace airway adapter
RIC INVESTMENTS LLC38 citations90
US7748280B2Jul 6, 2010
Sidestream gas sampling system with closed sample circuit
RIC INVESTMENTS LLC10 citations84
US7659504B1Feb 9, 2010
Optical sensor with an optical element transmissive to warming radiation
RIC INVESTMENTS LLC10 citations84
US7121134B2Oct 17, 2006
Integrated sample cell and filter and system using same
RIC INVESTMENTS LLC12 citations84
US7137390B2Nov 21, 2006
Liquid absorbing filter assembly and system using same
RIC INVESTMENTS LLC9 citations73
US7980246B2Jul 19, 2011
Low deadspace airway adapter
RIC INVESTMENTS LLC4 citations60
US7549316B2Jun 23, 2009
Integrated sample cell and filter and system using same
RIC INVESTMENTS LLC0 citations41
NTC TECHNOLOGY INC
10 patentsUS6149481ANov 21, 2000
Extended life disposable pulse oximetry sensor and method of making
NTC TECHNOLOGY INC128 citations99
US6073038AJun 6, 2000
Extended life disposable pulse oximetry sensor
NTC TECHNOLOGY INC125 citations99
US5891026AApr 6, 1999
Extended life disposable pulse oximetry sensor and method of making
NTC TECHNOLOGY INC148 citations99
US7335164B2Feb 26, 2008
Multiple function airway adapter
NTC TECHNOLOGY INC76 citations98
US6312389B1Nov 6, 2001
Multiple function airway adapter
NTC TECHNOLOGY INC103 citations98
US5693944ADec 2, 1997
Gas analyzer cuvettes
NTC TECHNOLOGY INC115 citations98
US6575164B1Jun 10, 2003
Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
NTC TECHNOLOGY INC82 citations97
US6763829B2Jul 20, 2004
Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
NTC TECHNOLOGY INC65 citations96
US6631717B1Oct 14, 2003
Re-breathing apparatus for non-invasive cardiac output, method of operation, and ventilator circuit so equipped
NTC TECHNOLOGY INC40 citations93
US6123674ASep 26, 2000
Airway valve to facilitate re-breathing, method of operation, and ventilator circuit so equipped
NTC TECHNOLOGY INC30 citations92
NOVAMETRIX MED SYST INC
5 patentsUS5789660AAug 4, 1998
Multiple function airway adapter
NOVAMETRIX MED SYST INC207 citations99
US6126610AOct 3, 2000
Pneumatic connector with encoding
NOVAMETRIX MED SYST INC114 citations98
US5616923AApr 1, 1997
Gas analyzer cuvettes
NOVAMETRIX MED SYST INC83 citations95
US4280505AJul 28, 1981
Fixation ring for transcutaneous gas sensor probe
NOVAMETRIX MED SYST INC18 citations73
US4932410AJun 12, 1990
Dual membrane mounting for transcutaneous oxygen and carbon dioxide sensor
NOVAMETRIX MED SYST INC11 citations66