Unisert Multiwall Systems, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Unisert Multiwall Systems, Inc..The latest application filed is for "multiwall pipe lip seal joint".
- Unisert Multiwall Systems, Inc. - Conroe TX
- Unisert multiwall Systems, Inc. -
| Patent | Date |
|---|---|
| Multiwall pipe lip seal joint Grant 7,942,422 - Tierling May 17, 2 | 2011-05-17 |
| Multiwall pipe lip seal joint App 20100171301 - Tierling; Kenneth | 2010-07-08 |
| Method for maximizing the sharing of tensile load for cement-sheathed multi-wall pipe Grant 7,374,705 - Tierling May 20, 2 | 2008-05-20 |
| Method for maximizing the sharing of tensile load for cement-sheathed multi-wall pipe App 20070290403 - Tierling; Kenneth | 2007-12-20 |
| Pipe-in-pipe mechanical bonded joint assembly Grant 6,231,086 - Tierling May 15, 2 | 2001-05-15 |
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