Chick; Douglas K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chick; Douglas K..The latest application filed is for "method of installation of dual containment pipe rehabilitation system".
- Chick; Douglas K. - Elstree GB2
- Chick; Douglas K. - Hertfordshire GB2
- Chick; Douglas K. - Ellstreet Hertfordshire GB2
| Patent | Date |
|---|---|
| Method of installation of dual containment pipe rehabilitation system Grant 5,778,938 - Chick , et al. July 14, 1 | 1998-07-14 |
| Dual containment pipe rehabilitation system and method of installation Grant 5,743,299 - Chick , et al. April 28, 1 | 1998-04-28 |
| Dual containment pipe rehabilitation system Grant 5,546,992 - Chick , et al. August 20, 1 | 1996-08-20 |
| Repairing leaks in pipelines carrying fluent medium Grant 4,552,183 - Chick November 12, 1 | 1985-11-12 |
| Method for remote lining of side connections Grant 4,434,115 - Chick February 28, 1 | 1984-02-28 |
| Pipeline repair kit Grant 4,357,961 - Chick November 9, 1 | 1982-11-09 |
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