Cook Testing Co.
Long Beach, CA, US· latest recorded location
Cook Testing Co. is named on 2 US grants and 0 published applications in this corpus. Its most frequent classification is E21B (Earth or rock drilling).
- Granted patents
- 2
- Published applications
- 0
- Inventors
- 1
- Granted in 2026 so far
- 0
- Most recent grant
- 10 May 1977
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
By publication year.
Technology areas
Share of 2 documents
Recent patents
- Bottom hole flow control apparatus10 May 1977US 4,022,273 A
- Well tubing drain21 Sep 1976US 3,981,360 A
No published applications.
Most cited
By later US patents