Balfour Beatty PLC
Balfour BeActive Patents
0
Total Holdings
22
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 |
| US4690499A | Optical fibre element housed in a tube resiliently set in a… | Expired / Lapsed | 1985-03-13 | 1987-09-01 | 28 | Details |
| US4475079A | Apparatus for locating faults in electric cables | Expired / Lapsed | 1983-05-19 | 1984-10-02 | 10 | Details |
| US4397522A | Optical fibre connector | Expired / Lapsed | 1980-09-17 | 1983-08-09 | 15 | Details |
| US3948582A | Optical fibre connector | Expired / Lapsed | 1974-11-15 | 1976-04-06 | 20 | Details |
| US3706838A | Telecommunication cables | Expired / Lapsed | 1970-11-20 | 1972-12-19 | 9 | Details |
| US3525798A | Fully filled plaster sheathed telecommunication cables | Expired / Lapsed | 1968-03-21 | 1970-08-25 | 0 | Details |
| US2805180A | Electric cable | Expired / Lapsed | 1955-05-16 | 1957-09-03 | 2 | Details |
| US2804601A | Coupling devices for electric cables | Expired / Lapsed | 1954-06-08 | 1957-08-27 | 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 |
| US2667311A | Means for controlling the tension in running strip | Expired / Lapsed | 1951-10-17 | 1954-01-26 | 0 | Details |
| US2652989A | Mounting for reels, bobbins, and the like | Expired / Lapsed | 1951-06-30 | 1953-09-22 | 0 | Details |
| US2590160A | Means for sealing conductor end structures | Expired / Lapsed | 1950-06-07 | 1952-03-25 | 0 | Details |
| US2518892A | Wave guide for high-frequency electric currents | Expired / Lapsed | 1946-01-11 | 1950-08-15 | 0 | Details |
| US2425123A | Slitting of insulating material | Expired / Lapsed | 1945-07-04 | 1947-08-05 | 0 | Details |
| US2421625A | Manufacture of vulcanised rubber articles | Expired / Lapsed | 1944-02-11 | 1947-06-03 | 0 | Details |