Petermann; Steven G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petermann; Steven G..The latest application filed is for "centrifugal separator systems for multi-phase fluids".
- Petermann; Steven G. - Plano TX
| Patent | Date |
|---|---|
| Centrifugal separator systems for multi-phase fluids Grant 5,209,765 - Kolpak , et al. May 11, 1 | 1993-05-11 |
| Girth weld detection system for pipeline survey pig Grant 5,115,196 - Low , et al. May 19, 1 | 1992-05-19 |
| Downhole seismic array system Grant 5,092,423 - Petermann March 3, 1 | 1992-03-03 |
| Piezoelectric transducer with displacement amplifier Grant 5,063,542 - Petermann , et al. November 5, 1 | 1991-11-05 |
| Tandem seal system for testing pipelines Grant 5,029,614 - Lara , et al. July 9, 1 | 1991-07-09 |
| Magnetostrictive transducer for logging tool Grant 5,020,036 - Petermann , et al. May 28, 1 | 1991-05-28 |
| Ultrasonic logging tool with rotating exposed transducer Grant 4,876,672 - Petermann , et al. October 24, 1 | 1989-10-24 |
| Instrument chassis and body supports for pipeline survey pig Grant 4,835,876 - Petermann , et al. June 6, 1 | 1989-06-06 |
| Centralizer for wellbore apparatus Grant 4,830,105 - Petermann May 16, 1 | 1989-05-16 |
| Locking arm for well tool Grant 4,819,760 - Petermann April 11, 1 | 1989-04-11 |
| Wellbore fluid sampling apparatus Grant 4,766,955 - Petermann August 30, 1 | 1988-08-30 |
| Wireline tool connector Grant 4,706,744 - Smith , et al. November 17, 1 | 1987-11-17 |
| Apparatus for operating wireline tools in wellbores Grant 4,685,516 - Smith , et al. August 11, 1 | 1987-08-11 |
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