BE472732A - - Google Patents
Info
- Publication number
- BE472732A BE472732A BE472732DA BE472732A BE 472732 A BE472732 A BE 472732A BE 472732D A BE472732D A BE 472732DA BE 472732 A BE472732 A BE 472732A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
- G01N7/12—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference the diffusion being followed by combustion or catalytic oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6992/41A GB547452A (en) | 1941-05-31 | 1941-05-31 | Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472732A true BE472732A (bs) |
Family
ID=9824573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472732D BE472732A (bs) | 1941-05-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2534796A (bs) |
| BE (1) | BE472732A (bs) |
| FR (1) | FR945506A (bs) |
| GB (1) | GB547452A (bs) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1174370A (en) * | 1915-04-12 | 1916-03-07 | Henry Roberts Webster | Gas-detecting apparatus. |
| US1652448A (en) * | 1923-03-26 | 1927-12-13 | Martienssen Oscar | Fire-damp indicator |
| GB276234A (en) * | 1926-10-23 | 1927-08-25 | Hermann Sewerin | Improved gas indicator |
| GB357017A (en) * | 1929-11-29 | 1931-09-17 | Jules Gaston Daloz | Improvements in and relating to eudiometric apparatus especially to those for measuring firedamp |
| US2109355A (en) * | 1933-08-29 | 1938-02-22 | Clarence H Lank | Liquid level gauge |
| GB484194A (en) * | 1936-08-01 | 1938-05-02 | Henry Thomas Ringrose | Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases |
-
0
- BE BE472732D patent/BE472732A/xx unknown
-
1941
- 1941-05-31 GB GB6992/41A patent/GB547452A/en not_active Expired
-
1947
- 1947-04-19 FR FR945506D patent/FR945506A/fr not_active Expired
- 1947-04-23 US US743260A patent/US2534796A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR945506A (fr) | 1949-05-06 |
| US2534796A (en) | 1950-12-19 |
| GB547452A (en) | 1942-08-27 |