Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726639 | Apparatus for detecting magnetic flux leakage and methods of making and using same | — | 2017-08-08 |
| 6070467 | Electromagnetic acoustic transducer (EMAT) system and method for eliminating noise produced by static discharge | Mark S. Land, Pat Cook | 2000-06-06 |
| 5520871 | Method of manufacturing a spherical pigging device | Steve Worthen | 1996-05-28 |
| 5506505 | Apparatus for remotely indicating pipeline pig including a sensor housing having surface engaging orthogonally disposed paramagnetic materials a solid state sensor and a flag | Steven D. Worthen | 1996-04-09 |
| 5461354 | Magnetic sphere for use in a pipeline | Steve Worthen | 1995-10-24 |
| 5417112 | Apparatus for indicating the passage of a pig moving within an underground pipeline | — | 1995-05-23 |
| 5226836 | Cable strain relief device | — | 1993-07-13 |
| 5088336 | Pipeline caliper pig | Kevin W. Lockyear | 1992-02-18 |
| 4953412 | Pipeline caliper pig | Kevin W. Lockyear | 1990-09-04 |
| 4561057 | Apparatus and method for monitoring motion of a railroad train | John E. Haley, Michael Lynch | 1985-12-24 |
| 4527954 | Pumping apparatus | Beegamudre N. Murali, Clinton W. Cole | 1985-07-09 |