Pittsburgh Equitable Meter Co
PittsburghActive Patents
0
Total Holdings
15
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2385388A | Bearing seal | Expired / Lapsed | 1943-01-23 | 1945-09-25 | 0 | Details |
| US2293949A | Altimeter | Expired / Lapsed | 1937-08-14 | 1942-08-25 | 0 | Details |
| US2288733A | Gas pressure regulator | Expired / Lapsed | 1940-04-30 | 1942-07-07 | 0 | Details |
| US2162375A | Mechanical movement | Expired / Lapsed | 1935-06-13 | 1939-06-13 | 0 | Details |
| US2147850A | Gas pressure regulator | Expired / Lapsed | 1935-02-20 | 1939-02-21 | 0 | Details |
| US2091792A | Flow indicator | Expired / Lapsed | 1935-05-16 | 1937-08-31 | 0 | Details |
| US2089701A | Method and apparatus for remote indication | Expired / Lapsed | 1933-08-14 | 1937-08-10 | 0 | Details |
| US2024059A | Orifice meter | Expired / Lapsed | 1930-03-04 | 1935-12-10 | 0 | Details |
| US2000528A | Laminated composite paper | Expired / Lapsed | 1932-12-27 | 1935-05-07 | 0 | Details |
| US2000527A | Recorder chart | Expired / Lapsed | 1931-10-21 | 1935-05-07 | 0 | Details |
| US1986747A | Piston meter | Expired / Lapsed | 1932-02-18 | 1935-01-01 | 0 | Details |
| US1865082A | Pressure indicator | Expired / Lapsed | 1924-01-25 | 1932-06-28 | 0 | Details |
| US1826272A | Demand meter | Expired / Lapsed | 1926-12-20 | 1931-10-06 | 0 | Details |
| US1816957A | Fluid meter | Expired / Lapsed | 1925-02-12 | 1931-08-04 | 0 | Details |
| US1787686A | Flow-controlling valve | Expired / Lapsed | 1927-02-23 | 1931-01-06 | 0 | Details |