Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168525 | Installation systems and methodology for helical strake fins | Donald Wayne Allen, Julie Ann Dehne | 2021-11-09 |
| 10544635 | Installation systems and methodology for helical strake fins | Donald Wayne Allen, Julie Ann Dehne | 2020-01-28 |
| 9869128 | Installation systems and methodology for helical strake fins | Donald Wayne Allen, Julie Ann Dehne | 2018-01-16 |
| 9546523 | Collars for multiple tubulars | Donald Wayne Allen, Julie Ann Dehne | 2017-01-17 |
| 9534618 | Fairing bodies with multiple parts | Donald Wayne Allen, Julie Ann Dehne | 2017-01-03 |
| 9511825 | Apparatus for suppressing vortex-induced vibration of a structure with reduced coverage | Dean Leroy Henning, Donald Wayne Allen | 2016-12-06 |
| 9188245 | Fairing having improved stability | Donald Wayne Allen, Dean Leroy Henning, Philip Albert Larson | 2015-11-17 |
| 9163781 | Spring systems for vortex suppression devices | Donald Wayne Allen, Jeffrey Robert Dupuis, Julie Ann Dehne | 2015-10-20 |
| 9151308 | Vortex-induced vibration suppression device and mating collar system | Donald Wayne Allen, Dean Leroy Henning | 2015-10-06 |
| 9080392 | Vortex-induced vibration suppression devices for retrofitting | Donald Wayne Allen, Julie Ann Dehne, Dean Leroy Henning | 2015-07-14 |
| 9080610 | Vortex suppression fairings | Donald Wayne Allen, Dean Leroy Henning | 2015-07-14 |
| 9074426 | Method and apparatus for accommodating tubular diameter changes | Donald Wayne Allen, Dean Leroy Henning, Julie Ann Dehne | 2015-07-07 |
| 9022075 | Fairing having improved stability | Donald Wayne Allen, Dean Leroy Henning, Philip Albert Larson | 2015-05-05 |
| 8944722 | Spring systems for vortex suppression devices | Donald Wayne Allen, Jeffrey Robert Dupuis, Julie Ann Dehne | 2015-02-03 |
| 8770894 | Helical strakes with molded in stand-offs | Donald Wayne Allen, Julie Ann Dehne, Troy William Dehne | 2014-07-08 |
| 8727667 | Vortex-induced vibration suppression device and mating collar system | Donald Wayne Allen, Dean Leroy Henning | 2014-05-20 |
| 8511245 | Helical strake systems | Julie Ann Dehne, Donald Wayne Allen, Philip Albert Larson, Dean Leroy Henning | 2013-08-20 |
| 6210041 | Bearing and apparatus and method for fabricating same | — | 2001-04-03 |