Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6264621 | System and method for providing quantified and qualitative hand analysis | — | 2001-07-24 | |
| 6231525 | System and method for providing quantified hand analysis | — | 2001-05-15 | |
| 5509490 | EMF sacrificial anode sub and method to deter bit balling | Paul F. Rodney, Ronald D. Ormsby | 1996-04-23 | |
| 5330016 | Drill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud balling | Paul F. Rodney, Ronald D. Ormsby | 1994-07-19 | |
| 4894534 | Logging apparatus and method | Richard F. Roesler | 1990-01-16 | |
| 4864129 | Logging apparatus and method | Richard F. Roesler | 1989-09-05 | |
| 4829176 | Logging apparatus and method | Richard F. Roesler | 1989-05-09 | $15,872,000 |
| 4791797 | Density neutron self-consistent caliper | Paul F. Rodney, Ray A. Roeder | 1988-12-20 | $4,405,000 |
| 4698501 | System for simultaneous gamma-gamma formation density logging while drilling | — | 1987-10-06 | $4,466,000 |