Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel.The latest application filed is for "seal assembly for rotating shafts".
- Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel - Kiel DE
- Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg und Kiel - Hamburg DE
Trademarks
| Patent | Date |
|---|---|
| Seal assembly for rotating shafts Grant 4,413,830 - Pietsch November 8, 1 | 1983-11-08 |
| Shaft sealing assembly Grant 4,413,829 - Pietsch November 8, 1 | 1983-11-08 |
| Bearing and seal assembly for stern tubes of vessels Grant 4,395,141 - Pietsch , et al. July 26, 1 | 1983-07-26 |
| Rudder arrangement for ships Grant 4,284,025 - Eckhard August 18, 1 | 1981-08-18 |
| Offshore lift platform Grant 4,199,276 - Molsberger April 22, 1 | 1980-04-22 |
| Supplementary jib for a floating crane having a derricking main jib Grant 4,078,666 - Kather , et al. March 14, 1 | 1978-03-14 |
| Device for use in uniting the adjacent ends of radially split sealing rings Grant 3,976,534 - Walter , et al. August 24, 1 | 1976-08-24 |
| Circuit arrangement for measuring high ohmic cable faults in telecommunication and similar networks Grant 3,909,712 - Rietz , et al. September 30, 1 | 1975-09-30 |
| Seals For Rotatable Members Grant 3,773,336 - Walter , et al. November 20, 1 | 1973-11-20 |
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