Inventor
WARNCKE ERNST
DE25 patents
Patents
25 patentsUS4574799AMar 11, 1986
Gas mask construction
DRAEGERWERK AG111 citations96
US4470413ASep 11, 1984
Protective breathing apparatus including a mask and mouthpiece
DRAEGERWERK AG133 citations96
US4378011AMar 29, 1983
Lung controlled pressure gas respirator for use with an oxygen mask and valving mechanism therefor
DRAEGERWERK AG109 citations96
US4172454AOct 30, 1979
Heat and gas protection suit
DRAEGERWERK AG57 citations96
US4111197ASep 5, 1978
Respiratory device coupling construction
DRAEGERWERK AG117 citations95
US4146025AMar 27, 1979
Device for testing the tightness of fit of gas masks
DRAEGERWERK AG58 citations93
US4440166AApr 3, 1984
Electrically and mechanically controllable closed cycle respirator
DRAEGERWERK AG27 citations92
US4423723AJan 3, 1984
Closed cycle respirator with emergency oxygen supply
DRAEGERWERK AG43 citations92
US4403608ASep 13, 1983
Pressure gas ventilated protective suit and method of operating the suit
DRAEGERWERK AG38 citations92
US4253454AMar 3, 1981
Respirator package for carrying on a person
DRAEGERWERK AG49 citations92
US4154235AMay 15, 1979
Escape filter device having protective hood
DRAEGERWERK AG38 citations92
US4083065AApr 11, 1978
Protective helmet and full face mask construction
DRAEGERWERK AG45 citations92
US4508115AApr 2, 1985
Protective breathing hood for escape purposes
DRAEGERWERK AG26 citations82
US4364384ADec 21, 1982
Excess pressure respirator with pressurized breathing gas shutoff
DRAEGERWERK AG20 citations82
US4498470AFeb 12, 1985
Respirator having circulating breathing gas
DRAEGERWERK AG19 citations74
US4275723AJun 30, 1981
Warning device for breathing apparatus having a pressure gas supply
DRAEGERWERK AG16 citations74
US4249473AFeb 10, 1981
Warning signal producing device for protective breathing apparatus
DRAEGERWERK AG9 citations74
US4213453AJul 22, 1980
Breathing device having oxygen donor chemical cartridge
DRAEGERWERK AG15 citations74
US4200092AApr 29, 1980
Respirator having an oxygen-releasing chemical cartridge
DRAEGERWERK AG11 citations74
US4178961ADec 18, 1979
Lung-controlled membrane valve for compressed gas respirators
DRAEGERWERK AG7 citations74
US3935861AFeb 3, 1976
Protective breathing mask with compressed air supply for breathing
DRAEGERWERK AG11 citations74
US4019507AApr 26, 1977
Protective breathing device having a filtering apparatus and additional oxygen supply for emergency use
DRAEGERWERK AG15 citations73
US4289238ASep 15, 1981
Readiness receptacle for respirators
DRAEGERWERK AG7 citations71
US4256698AMar 17, 1981
Chemical cartridge for respirators
DRAEGERWERK AG3 citations63
US4187843AFeb 12, 1980
Respirator having an oxygen-releasing chemical cartridge and means for attaching an additional cartridge
DRAEGERWERK AG5 citations63