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Wolfgang May
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Reinfeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Detection device with a gas detector element
Patent number
5,551,310
Issue date
Sep 3, 1996
Dragerwerk AG
Philip M. Formica
G01 - MEASURING TESTING
Information
Patent Grant
Respirator with inner half mask and pollutant indicator
Patent number
5,297,544
Issue date
Mar 29, 1994
Dragerwerk AG
Wolfgang May
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Apparatus for measuring the concentration of gaseous and/or vaporou...
Patent number
5,089,232
Issue date
Feb 18, 1992
Dragerwerk Aktiengesellschaft
Wolfgang May
G01 - MEASURING TESTING
Information
Patent Grant
Automated apparatus for detecting gaseous components in air with a...
Patent number
5,069,879
Issue date
Dec 3, 1991
Dragerwerk Aktiengesellschaft
Kurt Leichnitz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for the measuring of gas, vapor or aerosol fractions of a me...
Patent number
4,992,738
Issue date
Feb 12, 1991
Dragerwerk Aktiengesellschaft
Wolfgang May
G01 - MEASURING TESTING
Information
Patent Grant
Colorimetric dosimeter
Patent number
4,963,324
Issue date
Oct 16, 1990
Dragerwerk Aktiengesellschaft
Wolfgang May
G01 - MEASURING TESTING
Information
Patent Grant
Colorimetric gas measuring device for fluorine
Patent number
4,933,144
Issue date
Jun 12, 1990
Dragerwerk Aktiengesellschaft
Wolfgang May
G01 - MEASURING TESTING
Information
Patent Grant
Diffusion sampler having a conversion zone
Patent number
4,913,882
Issue date
Apr 3, 1990
Dragerwerk Aktiengesellschaft
Wolfgang May
G01 - MEASURING TESTING
Information
Patent Grant
Device for detecting gases which must be treated before testing
Patent number
4,800,067
Issue date
Jan 24, 1989
Dragerwerk Aktiengesellschaft
Johannes Heckmann
G01 - MEASURING TESTING