Prutton Corporation
Cleveland, OH, US· latest recorded location
Prutton Corporation is named on 3 US grants and 0 published applications in this corpus. Its most frequent classification is B21H (Making particular metal objects by rolling).
- Granted patents
- 3
- Published applications
- 0
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 1 Apr 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
By publication year.
Technology areas
Share of 3 documents
Recent patents
- Thread roll timing1 Apr 1980US 4,195,507 A
- Adjustably timed thread roll machine1 Apr 1980US 4,195,508 A
- Straightening machine6 Jan 1976US 3,930,392 A
No published applications.
Most cited
By later US patents