Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890272 | U-shaped fairing with hinged blocks | Donald Wayne Allen, Kathryn Marie Oujesky | 2021-01-12 |
| 9511825 | Apparatus for suppressing vortex-induced vibration of a structure with reduced coverage | Donald Wayne Allen, William Andrew West | 2016-12-06 |
| 9188245 | Fairing having improved stability | Donald Wayne Allen, William Andrew West, Philip Albert Larson | 2015-11-17 |
| 9151308 | Vortex-induced vibration suppression device and mating collar system | William Andrew West, Donald Wayne Allen | 2015-10-06 |
| 9080392 | Vortex-induced vibration suppression devices for retrofitting | Donald Wayne Allen, William Andrew West, Julie Ann Dehne | 2015-07-14 |
| 9080610 | Vortex suppression fairings | William Andrew West, Donald Wayne Allen | 2015-07-14 |
| 9074426 | Method and apparatus for accommodating tubular diameter changes | William Andrew West, Donald Wayne Allen, Julie Ann Dehne | 2015-07-07 |
| 9022075 | Fairing having improved stability | Donald Wayne Allen, William Andrew West, Philip Albert Larson | 2015-05-05 |
| 8727667 | Vortex-induced vibration suppression device and mating collar system | William Andrew West, Donald Wayne Allen | 2014-05-20 |
| 8511245 | Helical strake systems | Julie Ann Dehne, William Andrew West, Donald Wayne Allen, Philip Albert Larson | 2013-08-20 |
| 8029210 | Methods and apparatus for installation of VIV suppression during installation of marine pipeline | David Wayne McMillan, Donald Wayne Allen, Kenneth Loch, Stephen Paul Armstrong, Li Lee | 2011-10-04 |
| 7669491 | Current tank systems and methods | Donald Wayne Allen, Li Lee, David Wayne McMillan, Raghunath Gopal Menon, Christopher Steven West | 2010-03-02 |
| 7467913 | Faired truss spar | Donald Wayne Allen | 2008-12-23 |
| 7406923 | Systems and methods for reducing vibrations | Donald Wayne Allen, Joe Henry Haws | 2008-08-05 |
| 7316525 | Vortex induced vibration optimizing system | Donald Wayne Allen, Li Lee | 2008-01-08 |
| 7017666 | Smooth sleeves for drag and VIV reduction of cylindrical structures | Donald Wayne Allen, David Wayne McMillan, Richard Bruce McDaniel, Kenneth Dupal | 2006-03-28 |
| 6702026 | Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures | Donald Wayne Allen, Richard Bruce McDaniel, David Wayne McMillan, Kenneth Dupal | 2004-03-09 |
| 6685394 | Partial shroud with perforating for VIV suppression, and method of using | Donald Wayne Allen | 2004-02-03 |
| 6565287 | Apparatus for suppression of vortex induced vibration without aquatic fouling and methods of installation | David Wayne McMillan, Richard Bruce McDaniel, Donald Wayne Allen, Howard Ray Mitschke | 2003-05-20 |
| 6561734 | Partial helical strake for vortex-induced-vibrationsuppression | Donald Wayne Allen, Joe Henry Haws, David Wayne McMillan, Richard Bruce McDaniel | 2003-05-13 |
| 6309141 | Gap spar with ducking risers | Bobby E. Cox, Stephen W. Balint, Donald Wayne Allen | 2001-10-30 |
| 6263824 | Spar platform | Stephen W. Balint, Donald Wayne Allen, Ferdinand J. Fischer, III, Bobby E. Cox, David Wayne McMillan +1 more | 2001-07-24 |
| 6227137 | Spar platform with spaced buoyancy | Donald Wayne Allen, Stephen W. Balint, David Wayne McMillan | 2001-05-08 |
| 6223672 | Ultrashort fairings for suppressing vortex-induced-vibration | Donald Wayne Allen | 2001-05-01 |
| 6196768 | Spar fairing | Donald Wayne Allen | 2001-03-06 |