Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079211 | Caliper tool and sensor for use in high pressure environments | Edward Harrigan, Michael Simmons, Laurence T. Wisniewski, Abbas Arian | 2021-08-03 |
| 10082020 | Acoustic dipole piston transmitter | Laurence T. Wisniewski, Michael Simmons, Gary Kainer, Chung Chang | 2018-09-25 |
| 7997380 | Low frequency acoustic attenuator | Abbas Arian, Joakim Blanch, Vimal V. Shah, Eugene Linyaev | 2011-08-16 |
| 6924640 | Oil and gas well tubular inspection system using hall effect sensors | John Haynes | 2005-08-02 |
| 6899197 | Method and apparatus for absorbing acoustic energy | Abbas Arian, Laurence T. Wisniewski, Georgios L. Varsamis | 2005-05-31 |
| 6564899 | Method and apparatus for absorbing acoustic energy | Abbas Arian, Laurence T. Wisniewski, Georgios L. Varsamis | 2003-05-20 |