BUILDERS IRON FOUNDRY
BUILDERS IActive Patents
0
Total Holdings
16
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2586427A | Telemetric apparatus | Expired / Lapsed | 1948-10-29 | 1952-02-19 | 0 | Details |
| US2537246A | Sand expansion indicator | Expired / Lapsed | 1948-03-25 | 1951-01-09 | 0 | Details |
| US2440981A | Pumping system | Expired / Lapsed | 1944-12-29 | 1948-05-04 | 0 | Details |
| US2424766A | Telemetric apparatus | Expired / Lapsed | 1944-06-19 | 1947-07-29 | 0 | Details |
| US2322374A | Control apparatus | Expired / Lapsed | 1941-02-25 | 1943-06-22 | 0 | Details |
| US2302458A | Telemetric apparatus | Expired / Lapsed | 1940-07-15 | 1942-11-17 | 0 | Details |
| US2265114A | Pressure transmitting relay unit | Expired / Lapsed | 1938-10-08 | 1941-12-02 | 0 | Details |
| US2261655A | Continuous weighing apparatus | Expired / Lapsed | 1938-01-15 | 1941-11-04 | 0 | Details |
| US2207949A | Telemetric controller | Expired / Lapsed | 1937-02-20 | 1940-07-16 | 0 | Details |
| US2111679A | Telemetric transmitter | Expired / Lapsed | 1933-07-28 | 1938-03-22 | 0 | Details |
| US2090069A | Proportioning controller | Expired / Lapsed | 1934-06-02 | 1937-08-17 | 0 | Details |
| US2089441A | Telemetric receiver | Expired / Lapsed | 1934-07-05 | 1937-08-10 | 0 | Details |
| US1893200A | Pressure responsive device and diaphragm for use therein | Expired / Lapsed | 1929-11-23 | 1933-01-03 | 0 | Details |
| US1866212A | Grinding machine | Expired / Lapsed | 1927-03-16 | 1932-07-05 | 0 | Details |
| US1501437A | Electrical signaling apparatus | Expired / Lapsed | 1920-02-05 | 1924-07-15 | 0 | Details |
| US868776A | Automatic flow-regulator for liquids and gases. | Expired / Lapsed | 1906-12-17 | 1907-10-22 | 0 | Details |