Hignett; Ian Harold
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hignett; Ian Harold.The latest application filed is for "seal between pipe sections".
- Hignett; Ian Harold - Norfolk N/A GB
- Hignett, Ian Harold - Great Yarmouth GB
- Hignett, Ian Harold - Yarmouth GB
| Patent | Date |
|---|---|
| Seal between pipe sections Grant 8,973,953 - Hignett , et al. March 10, 2 | 2015-03-10 |
| Seal between pipe sections Grant 8,840,151 - Hignett , et al. September 23, 2 | 2014-09-23 |
| Seal Between Pipe Sections App 20120133129 - Hignett; Ian Harold ; et al. | 2012-05-31 |
| Seal Between Pipe Sections App 20120119488 - Hignett; Ian Harold ; et al. | 2012-05-17 |
| Pipe connection Grant 7,614,667 - Hignett November 10, 2 | 2009-11-10 |
| Pipe connection App 20060157982 - Hignett; Ian Harold | 2006-07-20 |
| Casing joints App 20050073147 - Hignett, Ian Harold | 2005-04-07 |
| Screw-threaded pipe joint Grant 6,595,557 - Hignett July 22, 2 | 2003-07-22 |
| Screw-threaded pipe joint App 20030001388 - Hignett, Ian Harold | 2003-01-02 |
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