Seifert; Karl-Heinrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Seifert; Karl-Heinrich.The latest application filed is for "method for heating plastics materials".
- Seifert; Karl-Heinrich - Hamburg DT
| Patent | Date |
|---|---|
| Method for heating plastics materials Grant 4,076,071 - Rosenkranz , et al. February 28, 1 | 1978-02-28 |
| Method of making hollow articles, especially bottles, of thermoplastics Grant 4,035,463 - Rosenkranz , et al. July 12, 1 | 1977-07-12 |
| Method for blow molding a hollow plastic article having a concave base Grant 4,035,455 - Rosenkranz , et al. July 12, 1 | 1977-07-12 |
| Apparatus for deforming a tubular slug of thermoplastic material Grant 3,969,060 - Rosenkranz , et al. July 13, 1 | 1976-07-13 |
| Machine For Making Hollow Articles, Especially Bottles, Of Thermoplastics Grant 3,599,280 - Rosenkranz , et al. August 17, 1 | 1971-08-17 |
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