Coal Industry Patents Ltd
Coal IndusActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1528691A | Survey systems | Expired / Lapsed | 1977-05-06 | — | 0 | Details |
| GB1020865A | Improvements in anchor bolts | Expired / Lapsed | 1961-06-15 | — | 0 | Details |
| US4355895A | Survey systems | Expired / Lapsed | 1981-02-09 | 1982-10-26 | 15 | Details |
| US4303859A | Infra-red analysis apparatus and method | Expired / Lapsed | 1980-01-03 | 1981-12-01 | 9 | Details |
| US4194790A | Rock cutting tip inserts | Expired / Lapsed | 1975-04-02 | 1980-03-25 | 13 | Details |
| US3786511A | Recording apparatus | Expired / Lapsed | 1973-05-03 | 1974-01-15 | 8 | Details |
| US2948469A | Apparatus for counting particles | Expired / Lapsed | 1955-08-08 | 1960-08-09 | 0 | Details |
| US2916358A | Apparatus for detecting carbon monoxide | Expired / Lapsed | 1957-07-29 | 1959-12-08 | 2 | Details |