Metropolitan Vickers Electrical Co Ltd
MetropolitActive Patents
0
Total Holdings
22
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB675514A | Improvements in earth leakage protection for polyphase elec… | Expired / Lapsed | 1949-08-26 | — | 0 | Details |
| GB621872A | Improvements relating to electrical timing circuits | Expired / Lapsed | 1946-07-09 | — | 0 | Details |
| GB621752A | Improvements relating to indicating and recording apparatus | Expired / Lapsed | 1946-07-09 | — | 0 | Details |
| GB580005A | Improvements in and relating to electric circuit arrangemen… | Expired / Lapsed | 1943-04-05 | — | 0 | Details |
| GB595346A | Improvements relating to bearings of internal combustion ga… | Expired / Lapsed | 1941-05-07 | — | 0 | Details |
| GB502743A | Improvements in and relating to cathode ray oscillographs | Expired / Lapsed | 1937-09-23 | — | 0 | Details |
| GB482956A | Improvements in oscillograph electric transient analysers | Expired / Lapsed | 1936-10-07 | — | 0 | Details |
| US3034012A | Electron gun assemblies | Expired / Lapsed | 1959-10-14 | 1962-05-08 | 0 | Details |
| US2999766A | Magnetic signal carriers | Expired / Lapsed | 1958-02-03 | 1961-09-12 | 0 | Details |
| US2981611A | Manufacture of printed electrical circuits or components | Expired / Lapsed | 1957-03-12 | 1961-04-25 | 0 | Details |
| US2854575A | Electronic sweep generating circuit with constant magnitude… | Expired / Lapsed | 1954-09-21 | 1958-09-30 | 0 | Details |
| US2851676A | Driving apparatus for recording tapes | Expired / Lapsed | 1957-02-27 | 1958-09-09 | 0 | Details |
| US2824969A | Treatment of materials by electronic bombardment | Expired / Lapsed | 1955-01-17 | 1958-02-25 | 0 | Details |
| US2815552A | Method of making a mold by the lost-wax process | Expired / Lapsed | 1952-11-10 | 1957-12-10 | 2 | Details |
| US2533042A | Power-driven aligning mechanism control system dependent up… | Expired / Lapsed | 1945-08-11 | 1950-12-05 | 0 | Details |
| US2520697A | Internal-combustion turbine plant | Expired / Lapsed | 1945-02-27 | 1950-08-29 | 0 | Details |
| US2445661A | Axial flow turbine, compressor and the like | Expired / Lapsed | 1944-01-13 | 1948-07-20 | 0 | Details |
| US2442286A | Synchronized pulse producer | Expired / Lapsed | 1943-12-18 | 1948-05-25 | 0 | Details |
| US2418801A | Internal-combustion turbine plant | Expired / Lapsed | 1944-01-13 | 1947-04-08 | 0 | Details |
| US2411124A | Internal-combustion turbine plant | Expired / Lapsed | 1944-01-13 | 1946-11-12 | 0 | Details |
| US2383420A | Thermionic valve circuits | Expired / Lapsed | 1943-09-21 | 1945-08-21 | 0 | Details |
| US1664225A | Vacuum electric tube device | Expired / Lapsed | 1924-09-27 | 1928-03-27 | 0 | Details |