Pitcraft Summit Limited
Nr. Barnsley, GB· latest recorded location
Pitcraft Summit Limited is named on 5 US grants and 0 published applications in this corpus. Its most frequent classification is E21C (Mining or quarrying).
- Granted patents
- 5
- Published applications
- 0
- Inventors
- 5
- Granted in 2026 so far
- 0
- Most recent grant
- 19 Feb 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
By publication year.
Technology areas
Share of 5 documents
Recent patents
- Element to form a rack for a mining machine haulage system19 Feb 1991US 4,993,779 A
- Operating head with phased fluid delivery1 Aug 1989US 4,852,947 A
- Gas detector and mining machine28 Jun 1988US 4,754,142 A
- Conveyors4 Aug 1981US 4,281,759 A
- Conduit20 Jan 1981US 4,245,727 A
No published applications.
Most cited
By later US patents