Flammable vapor protection
United States Patent 2533339
Inventors:
Willenborg, Walter J.
Publication Date:
12/12/1950
Assignee:
JABEZ BURNS & SONS INC
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:
| 1779569 | Method of testing the flammable condition of a mixture of air or oxygen with a flammable gas or vapor | | | |
| 1880941 | Apparatus for detecting and estimating inflammable gases in air | | | |
| 1953244 | Method and apparatus for the detection of combustion vapors | | | |
| 1972932 | Apparatus for treating gases | | | |
| 2049987 | Method of and means for protecting combustibles | | | |
| 2106147 | Apparatus for detecting gases | | | |
| 2194520 | Process and equipment for monitoring fluids | | | |
| 2219391 | Combustible gas alarm and control | | | |
| 2306509 | Gas detector | | | |
| 2349250 | Gas detection | | | |
| 2399965 | Method for determining combustible gases in gas mixtures | | | |
| 2412287 | Hub for hose reels and the like | | | |
| 2441677 | Detecting and indicating system for explosive gases | | | |
Foreign References:
| GB398722A | | | | |
| GB447813A | | | | |
| GB521098A | | | | |