Balfour Beatty PLC
Balfour BeActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1456394A | Optical transmission systems | Expired / Lapsed | 1973-10-16 | — | 0 | Details |
| GB816846A | Improvements in or relating to electric couplings | Expired / Lapsed | 1956-12-17 | — | 0 | Details |
| US3948582A | Optical fibre connector | Expired / Lapsed | 1974-11-15 | 1976-04-06 | 20 | Details |
| US3525798A | Fully filled plaster sheathed telecommunication cables | Expired / Lapsed | 1968-03-21 | 1970-08-25 | 0 | Details |
| US2788877A | Friction clutches | Expired / Lapsed | 1952-03-26 | 1957-04-16 | 0 | Details |
| US2754784A | Manufacture of a metal tube which may form part of an elect… | Expired / Lapsed | 1952-02-12 | 1956-07-17 | 0 | Details |
| US2748234A | Electric resistors | Expired / Lapsed | 1953-10-12 | 1956-05-29 | 0 | Details |
| FR1089299A | Improvements to screw extrusion machines | Expired / Lapsed | 1953-10-20 | 1955-03-16 | 0 | Details |
| FR1075562A | Improvements in the manufacture of connection devices for e… | Expired / Lapsed | 1953-03-09 | 1954-10-18 | 0 | Details |
| US2678986A | Vacuum gauge of the pirani type | Expired / Lapsed | 1950-12-14 | 1954-05-18 | 0 | Details |
| US2652989A | Mounting for reels, bobbins, and the like | Expired / Lapsed | 1951-06-30 | 1953-09-22 | 0 | Details |
| US2518892A | Wave guide for high-frequency electric currents | Expired / Lapsed | 1946-01-11 | 1950-08-15 | 0 | Details |