Flammable vapor protection
United States Patent 2533339

Inventors:
Willenborg, Walter J.
Publication Date:
12/12/1950
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Assignee:
JABEZ BURNS & SONS INC
Primary Class:
Other Classes:
200/61.030, 422/117, 137/78.400, 417/63, 169/23, 340/633, 73/25.030, 55/DIG.034, 200/61.300, 48/192, 96/417, 137/93, 137/551
International Classes:
G01N27/16; G01N27/14
US Patent References:
1779569Method of testing the flammable condition of a mixture of air or oxygen with a flammable gas or vapor
1880941Apparatus for detecting and estimating inflammable gases in air
1953244Method and apparatus for the detection of combustion vapors
1972932Apparatus for treating gases
2049987Method of and means for protecting combustibles
2106147Apparatus for detecting gases
2194520Process and equipment for monitoring fluids
2219391Combustible gas alarm and control
2306509Gas detector
2349250Gas detection
2399965Method for determining combustible gases in gas mixtures
2412287Hub for hose reels and the like
2441677Detecting and indicating system for explosive gases
Foreign References:
GB398722A
GB447813A
GB521098A