Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8205691 | Downhole vibration dampener | David A. Bowar, Joseph L. Ficken | 2012-06-26 |
| 8141658 | Tilted drive sub | Joseph L. Ficken | 2012-03-27 |
| 6964303 | Horizontal directional drilling in wells | Henry Mazorow, Chris Sanfelice | 2005-11-15 |
| 6827160 | Downhole mud motor | Joseph L. Ficken, Daniel J. Richards | 2004-12-07 |
| 6749030 | Integrated transmitter surveying while boring entrenching powering device for the continuation of a guided bore hole | Joseph L. Ficken, Daniel J. Richards | 2004-06-15 |
| 6578636 | Horizontal directional drilling in wells | Henry Mazorow, Chris Sanfelice | 2003-06-17 |
| 6561290 | Downhole mud motor | Joseph L. Ficken, Daniel J. Richards | 2003-05-13 |
| 6349778 | Integrated transmitter surveying while boring entrenching powering device for the continuation of a guided bore hole | Joseph L. Ficken, Daniel J. Richards | 2002-02-26 |