Glenn L Martin Co
Glenn L MaActive Patents
0
Total Holdings
38
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2799318A | Method and apparatus for removing dents from contoured obje… | Expired / Lapsed | 1955-08-26 | 1957-07-16 | 0 | Details |
| US2768526A | Six component balance for wind tunnels | Expired / Lapsed | 1950-07-12 | 1956-10-30 | 0 | Details |
| US2720948A | Honeycomb panel constructed for bolting or riveting to fram… | Expired / Lapsed | 1950-03-04 | 1955-10-18 | 0 | Details |
| US2715532A | Stretch press jaw | Expired / Lapsed | 1950-12-12 | 1955-08-16 | 0 | Details |
| US2687474A | Integrator | Expired / Lapsed | 1952-02-14 | 1954-08-24 | 0 | Details |
| US2641629A | Control wheel and wiring | Expired / Lapsed | 1950-01-25 | 1953-06-09 | 0 | Details |
| US2633019A | Strain gauge pulse system | Expired / Lapsed | 1947-09-20 | 1953-03-31 | 0 | Details |
| US2609068A | Metal foil honeycomb core | Expired / Lapsed | 1949-03-11 | 1952-09-02 | 0 | Details |
| US2596242A | Variable ratio booster control system | Expired / Lapsed | 1949-05-12 | 1952-05-13 | 0 | Details |
| US2552066A | Fastening device | Expired / Lapsed | 1944-10-12 | 1951-05-08 | 0 | Details |
| US2517061A | Valve | Expired / Lapsed | 1945-03-09 | 1950-08-01 | 0 | Details |
| US2505601A | Apparatus for calibrating vibration equipment | Expired / Lapsed | 1945-07-31 | 1950-04-25 | 0 | Details |
| US2495748A | Antenna installation on airplanes | Expired / Lapsed | 1949-01-24 | 1950-01-31 | 0 | Details |
| US2469921A | Valve | Expired / Lapsed | 1945-03-07 | 1949-05-10 | 0 | Details |
| US2457066A | Access door for liquid containers | Expired / Lapsed | 1943-08-25 | 1948-12-21 | 0 | Details |
| US2453343A | Retainer strip | Expired / Lapsed | 1944-07-19 | 1948-11-09 | 0 | Details |
| US2443045A | Strain gauge center of gravity and gross weight meter | Expired / Lapsed | 1944-03-09 | 1948-06-08 | 0 | Details |
| US2431999A | Electrical connector block | Expired / Lapsed | 1944-07-25 | 1947-12-02 | 0 | Details |
| US2417331A | Gun storage container | Expired / Lapsed | 1946-02-08 | 1947-03-11 | 0 | Details |
| US2417249A | Constant volume connection for fluid conduits | Expired / Lapsed | 1944-06-27 | 1947-03-11 | 0 | Details |
| US2409335A | Hydraulic brake system | Expired / Lapsed | 1944-11-22 | 1946-10-15 | 0 | Details |
| US2401490A | Keyseating tool | Expired / Lapsed | 1944-08-21 | 1946-06-04 | 0 | Details |
| US2383840A | Underwater fuel storage system | Expired / Lapsed | 1942-11-06 | 1945-08-28 | 0 | Details |
| US2381739A | Hidden barrier | Expired / Lapsed | 1942-04-01 | 1945-08-07 | 0 | Details |
| US2376995A | Flexible joint | Expired / Lapsed | 1943-04-30 | 1945-05-29 | 0 | Details |
| US2372939A | Transparent nose turret | Expired / Lapsed | 1942-07-03 | 1945-04-03 | 0 | Details |
| US2360818A | Control handle | Expired / Lapsed | 1942-08-20 | 1944-10-17 | 0 | Details |
| US2359835A | Antenna mount | Expired / Lapsed | 1943-08-10 | 1944-10-10 | 0 | Details |
| US2337166A | Control valve | Expired / Lapsed | 1941-12-13 | 1943-12-21 | 0 | Details |
| US2326455A | Fastening means | Expired / Lapsed | 1942-03-13 | 1943-08-10 | 0 | Details |
| US2323525A | Feeding of fuel to engines | Expired / Lapsed | 1941-02-10 | 1943-07-06 | 0 | Details |
| US2300694A | Valve | Expired / Lapsed | 1941-08-19 | 1942-11-03 | 0 | Details |
| US2272725A | Control of aircraft surfaces | Expired / Lapsed | 1939-07-13 | 1942-02-10 | 0 | Details |
| US2144957A | Automatic electrical switch | Expired / Lapsed | 1937-03-06 | 1939-01-24 | 0 | Details |
| US2140672A | Method of producing a seal | Expired / Lapsed | 1937-04-17 | 1938-12-20 | 0 | Details |
| US2102590A | Aircraft construction | Expired / Lapsed | 1936-12-02 | 1937-12-21 | 0 | Details |
| US1769005A | Airplane-wing structure | Expired / Lapsed | 1927-07-29 | 1930-07-01 | 0 | Details |
| US1766471A | Structural material | Expired / Lapsed | 1927-09-16 | 1930-06-24 | 0 | Details |