Polva Nederland B.V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Polva Nederland B.V..The latest application filed is for "apparatus for forming a thickened bell end on thermoplastic pipe".
- Polva Nederland B.V. - Enkhuizen NL
- Polva Nederland B. V. - NL NL
- Polva Nederland,BV - Enkhuizen NL
| Patent | Date |
|---|---|
| Apparatus for forming a thickened bell end on thermoplastic pipe Grant 4,065,243 - Acda , et al. December 27, 1 | 1977-12-27 |
| Branch connection Grant 4,059,291 - Acda , et al. November 22, 1 | 1977-11-22 |
| Apparatus for manufacturing an electrowelding component of synthetic material comprising a resistance element Grant 4,040,889 - Acda August 9, 1 | 1977-08-09 |
| Tapping tee Grant 4,018,464 - Acda , et al. April 19, 1 | 1977-04-19 |
| Branch connection for thermoplastic pipe Grant 3,918,748 - Acda November 11, 1 | 1975-11-11 |
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