Quartech Engineering Limited
Tonbridge, GB· latest recorded location
Quartech Engineering Limited is named on 3 US grants and 0 published applications in this corpus. Its most frequent classification is E21B (Earth or rock drilling).
- Granted patents
- 3
- Published applications
- 0
- Inventors
- 1
- Granted in 2026 so far
- 0
- Most recent grant
- 24 Feb 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
By publication year.
Technology areas
Share of 3 documents
Recent patents
- Method and apparatus for cleaning boreholes24 Feb 2004US 6,695,058 B1
- Hydraulic control assembly22 Jul 2003US 6,595,296 B1
- Valve assembly21 Jan 2003US 6,508,309 B1
No published applications.
Most cited
By later US patents