Inventor
LEICHNITZ KURT
DE21 patents
Patents
21 patentsUS4684380AAug 4, 1987
Colorimetric indicator for the indication of the exhaustion of gas filters
DRAEGERWERK AG60 citations96
US4277251AJul 7, 1981
Method and device for determining the alcohol content of a person's breathing
DRAEGERWERK AG46 citations96
US5069879ADec 3, 1991
Automated apparatus for detecting gaseous components in air with a colorimetric testing tube
DRAEGERWERK AG36 citations92
US4332771AJun 1, 1982
Method and device for determining the alcohol content of a person's breathing
DRAEGERWERK AG30 citations92
US4123227AOct 31, 1978
Method and apparatus for evaluating changes in indicator tubes
DRAEGERWERK AG30 citations82
US5093269AMar 3, 1992
Process and arrangement for determining at least one component of a test gas
DRAEGERWERK AG18 citations73
US5092183AMar 3, 1992
Device for cooling testing tubes
DRAEGERWERK AG7 citations73
US4748930AJun 7, 1988
Colorimetric gas dosimeter
DRAEGERWERK AG13 citations73
US4554133ANov 19, 1985
Gas measuring testing tube
DRAEGERWERK AG15 citations73
US4528160AJul 9, 1985
Gas dosimeter construction
DRAEGERWERK AG8 citations73
US4460544AJul 17, 1984
Test tube for the measurement of oil mists
DRAEGERWERK AG10 citations73
US4330297AMay 18, 1982
Test tube construction and method for measuring for nickel aerosols
DRAEGERWERK AG9 citations73
US4329153AMay 11, 1982
Test tube construction and method for testing for copper aerosols
DRAEGERWERK AG7 citations73
US4294583AOct 13, 1981
Highly sensitive gas measuring method for the analysis of breath alcohol concentrations, using test tubes
DRAEGERWERK AG10 citations73
US4271125AJun 2, 1981
Indicator device for the quantitative determination of metal cyanides in aerosol form
DRAEGERWERK AG7 citations73
US4259287AMar 31, 1981
Testing tube construction for measuring sodium hydroxide and/or calcium oxide
DRAEGERWERK AG9 citations73
US4230457AOct 28, 1980
Apparatus and method for measuring aerosols and gases with detector tubes
DRAEGERWERK AG11 citations73
US4793173ADec 27, 1988
Process for calibrating a gas metering instrument
DRAEGERWERK AG9 citations69
US4723436AFeb 9, 1988
Process for calibrating a gas metering instrument
DRAEGERWERK AG7 citations69
US4769218ASep 6, 1988
Test tube with flame arrester for combustible gases
DRAEGERWERK AG6 citations62
US4254657AMar 10, 1981
Gas detector and meter employing indicator tubes
DRAEGERWERK AG6 citations62