Hoyt; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoyt; Douglas S..The latest application filed is for "low yield ratio dual phase steel linepipe with superior strain aging resistance".
- Hoyt; Douglas S. - The Woodlands TX US
- Hoyt; Douglas S. - The Woodland TX
| Patent | Date |
|---|---|
| Low yield ratio dual phase steel linepipe with superior strain aging resistance Grant 9,896,748 - Koo , et al. February 20, 2 | 2018-02-20 |
| Low Yield Ratio Dual Phase Steel Linepipe With Superior Strain Aging Resistance App 20120125490 - Koo; Jayoung ; et al. | 2012-05-24 |
| Apparatus and methods of improving riser weld fatigue Grant 7,897,267 - Hoyt , et al. March 1, 2 | 2011-03-01 |
| Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance App 20090301613 - Koo; Jayoung ; et al. | 2009-12-10 |
| Apparatus and Methods of Improving Riser Weld Fatigue App 20090169912 - Hoyt; Douglas S. ; et al. | 2009-07-02 |
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