Youngstown Sheet and Tube Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for Youngstown Sheet and Tube Company.The latest application filed is for "method and apparatus for upsetting pipe".
- Youngstown Sheet and Tube Company - Pittsburgh PA
- Youngstown Sheet and Tube Company - Youngstown OH
- Youngstown Sheet and Tube Company - N/A
- The Youngstown Sheet and Tube Company - Mahoning OH
| Patent | Date |
|---|---|
| Method and apparatus for upsetting pipe Grant 4,213,322 - Barnes, Jr. July 22, 1 | 1980-07-22 |
| Tube joint and method of making same Grant 4,161,273 - Jeffers July 17, 1 | 1979-07-17 |
| Lavatory bowl Grant D250,659 - Stevenson , et al. December 26, 1 | 1978-12-26 |
| Method of making pipe having a liner layer of mixed resins Grant 3,988,412 - Woodson October 26, 1 | 1976-10-26 |
| Method and apparatus for injecting refining oxygen in steelmaking processes Grant 3,898,078 - Huber August 5, 1 | 1975-08-05 |
| Crack-resistant Pipe Grant 3,718,161 - Woodson February 27, 1 | 1973-02-27 |
| Gripper Grant 3,638,288 - Pryor February 1, 1 | 1972-02-01 |
| Protective Closure Member And Process For Using The Same Grant 3,599,386 - LaLonde August 17, 1 | 1971-08-17 |
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