Assignee
MINE SAFETY APPLIANCES CO
US·226 granted patents·3 pending applications·8,106 citations·filing 1972–2013
Top patents by PatentIndex Score
229 records- 0196US5466356APotentiostat circuit for electrochemical cellsMINE SAFETY APPLIANCES CO·Filed 1994·Granted Nov 14, 1995·251 cites·8 claims
- 0296US5420424AIon mobility spectrometerMINE SAFETY APPLIANCES CO·Filed 1994·Granted May 30, 1995·306 cites·18 claims
- 0395US4863265AApparatus and method for measuring blood constituentsMINE SAFETY APPLIANCES CO·Filed 1987·Granted Sep 5, 1989·447 cites·8 claims
- 0494US7959777B2Devices, systems and methods for testing gas sensors and correcting gas sensor outputMINE SAFETY APPLIANCES CO·Filed 2008·Granted Jun 14, 2011·27 cites·19 claims
- 0594US7413645B2Devices, systems and methods for testing gas sensors and correcting gas sensor outputMINE SAFETY APPLIANCES CO·Filed 2004·Granted Aug 19, 2008·65 cites·20 claims
- 0694US5801379AHigh voltage waveform generatorMINE SAFETY APPLIANCES CO·Filed 1996·Granted Sep 1, 1998·148 cites·20 claims
- 0794US5714126ARespirator filter systemMINE SAFETY APPLIANCES CO·Filed 1996·Granted Feb 3, 1998·267 cites·6 claims
- 0894USD283940SFireman's helmetMINE SAFETY APPLIANCES CO·Filed 1983·Granted May 27, 1986·35 cites·1 claims
- 0994US4241299AControl system for battery-operated pumpMINE SAFETY APPLIANCES CO·Filed 1979·Granted Dec 23, 1980·89 cites·5 claims
- 1093US6344174B1Gas sensorMINE SAFETY APPLIANCES CO·Filed 1999·Granted Feb 5, 2002·101 cites·22 claims
- 1193US5723861ARecirculating filtration system for use with a transportable ion mobility spectrometerMINE SAFETY APPLIANCES CO·Filed 1996·Granted Mar 3, 1998·186 cites·20 claims
- 1292US8356692B1Release mechanism for harness systemMINE SAFETY APPLIANCES CO·Filed 2012·Granted Jan 22, 2013·26 cites·21 claims
- 1392US5592937ARespirator mask with stiffening elementsMINE SAFETY APPLIANCES CO·Filed 1995·Granted Jan 14, 1997·133 cites·20 claims
- 1492US4942628AHelmet suspension having ratchet adjustmentMINE SAFETY APPLIANCES CO·Filed 1989·Granted Jul 24, 1990·169 cites·2 claims
- 1591US7218009B2Devices, systems and methods for generating electricity from gases stored in containers under pressureMINE SAFETY APPLIANCES CO·Filed 2005·Granted May 15, 2007·52 cites·10 claims
- 1691US5736739ARecirculating filtration system for use with a transportable ion mobility spectrometer in gas chromatography applicationsMINE SAFETY APPLIANCES CO·Filed 1996·Granted Apr 7, 1998·133 cites·27 claims
- 1791US4838262AExhalation valveMINE SAFETY APPLIANCES CO·Filed 1988·Granted Jun 13, 1989·66 cites·2 claims
- 1890US9220333B2Adjustable lumbar support for mounting on a backpack and backpack having the sameMINE SAFETY APPLIANCES CO·Filed 2013·Granted Dec 29, 2015·27 cites·18 claims
- 1990US7762252B2Devices, systems and methods for operation of breathing apparatuses in multiple modesMINE SAFETY APPLIANCES CO·Filed 2006·Granted Jul 27, 2010·25 cites·16 claims
- 2090US7530255B2Devices, systems and methods for testing of gas detectorsMINE SAFETY APPLIANCES CO·Filed 2005·Granted May 12, 2009·25 cites·23 claims
- 2189US6756016B2Gas sensorMINE SAFETY APPLIANCES CO·Filed 2001·Granted Jun 29, 2004·28 cites·20 claims
- 2289US5763876AInlet heating device for ion mobility spectrometerMINE SAFETY APPLIANCES CO·Filed 1996·Granted Jun 9, 1998·134 cites·23 claims
- 2388US7034943B1Gas sensorsMINE SAFETY APPLIANCES CO·Filed 2000·Granted Apr 25, 2006·58 cites·20 claims
- 2488US6663834B1Catalytic sensorMINE SAFETY APPLIANCES CO·Filed 2000·Granted Dec 16, 2003·33 cites·20 claims
- 2587US6444862B1Synthesis and isolation of metal alkoxidesMINE SAFETY APPLIANCES CO·Filed 2000·Granted Sep 3, 2002·19 cites·5 claims
- 2687US5950245AAdjustable headband with a ratchet mechanism having different resistancesMINE SAFETY APPLIANCES CO·Filed 1997·Granted Sep 14, 1999·156 cites·16 claims
- 2787US5295790AFlow-controlled sampling pump apparatusMINE SAFETY APPLIANCES CO·Filed 1992·Granted Mar 22, 1994·88 cites·16 claims
- 2886US7886576B2Photoacoustic gas sensorMINE SAFETY APPLIANCES CO·Filed 2007·Granted Feb 15, 2011·11 cites·20 claims
- 2986US7870934B2Self-retracting lanyard and braking mechanism with pawl lockoutMINE SAFETY APPLIANCES CO·Filed 2006·Granted Jan 18, 2011·21 cites·9 claims
- 3086US6218055B1Electrochemical power cells and method of improving electrochemical power cell performanceMINE SAFETY APPLIANCES CO·Filed 1999·Granted Apr 17, 2001·81 cites·22 claims
- 3185USD382341SRespirator face maskMINE SAFETY APPLIANCES CO·Filed 1996·Granted Aug 12, 1997·32 cites·1 claims
- 3285US5577496ARespiratory protective apparatusMINE SAFETY APPLIANCES CO·Filed 1994·Granted Nov 26, 1996·144 cites·17 claims
- 3385US4533520ACircuit for constant temperature operation of a catalytic combustible gas detectorMINE SAFETY APPLIANCES CO·Filed 1984·Granted Aug 6, 1985·65 cites·7 claims
- 3484US7904971B2Protective padding and protective padding systemsMINE SAFETY APPLIANCES CO·Filed 2005·Granted Mar 15, 2011·49 cites·29 claims
- 3584US7261104B2Respirator facepiecesMINE SAFETY APPLIANCES CO·Filed 2002·Granted Aug 28, 2007·54 cites·9 claims
- 3684US7242479B2Gas sensorsMINE SAFETY APPLIANCES CO·Filed 2006·Granted Jul 10, 2007·13 cites·3 claims
- 3784US4997217ABreathing mask-hose couplingMINE SAFETY APPLIANCES CO·Filed 1990·Granted Mar 5, 1991·76 cites·3 claims
- 3884US3957469AFilter cassette with removable capsuleMINE SAFETY APPLIANCES CO·Filed 1975·Granted May 18, 1976·51 cites·10 claims
- 3983US5577495AHelmet respirator apparatusMINE SAFETY APPLIANCES CO·Filed 1993·Granted Nov 26, 1996·107 cites·20 claims
- 4083US5338429AElectrochemical toxic gas sensorMINE SAFETY APPLIANCES CO·Filed 1993·Granted Aug 16, 1994·60 cites·20 claims
- 4183US4790925AElectrochemical gas sensorMINE SAFETY APPLIANCES CO·Filed 1987·Granted Dec 13, 1988·62 cites·13 claims
- 4282US7180076B2Photoionization detectors, ionization chambers for use in photoionization detectors, and methods of use of photoionization detectorsMINE SAFETY APPLIANCES CO·Filed 2005·Granted Feb 20, 2007·11 cites·20 claims
- 4382US6649912B2Thermal imaging cameraMINE SAFETY APPLIANCES CO·Filed 2002·Granted Nov 18, 2003·21 cites·9 claims
- 4482US6218585B1Increasing enatioselectivity in reductions with borane reagentsMINE SAFETY APPLIANCES CO·Filed 2000·Granted Apr 17, 2001·14 cites·25 claims
- 4582US5247931ADiagnostic sensor clasp utilizing a slot, pivot and spring hinge mechanismMINE SAFETY APPLIANCES CO·Filed 1991·Granted Sep 28, 1993·401 cites·23 claims
- 4682US4648394AFacemask for abrasive serviceMINE SAFETY APPLIANCES CO·Filed 1985·Granted Mar 10, 1987·69 cites·5 claims
- 4781US7296305B2Adjustable headbandMINE SAFETY APPLIANCES CO·Filed 2005·Granted Nov 20, 2007·17 cites·23 claims
- 4881US5667653AElectrochemical sensorMINE SAFETY APPLIANCES CO·Filed 1996·Granted Sep 16, 1997·60 cites·28 claims
- 4980US4858478ABellows type hand-operated air sampling pumpMINE SAFETY APPLIANCES CO·Filed 1988·Granted Aug 22, 1989·58 cites·3 claims
- 5080US4167361ATemporary mine roof propMINE SAFETY APPLIANCES CO·Filed 1978·Granted Sep 11, 1979·32 cites·8 claims
Showing the top 50 of 229 patent records by PatentIndex Score.
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