Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217306 | Methods and apparatus for coring | — | 2015-12-22 |
| 7234547 | Apparatus and methods for sponge coring | Luc Puymbroeck, Holger Stibbe, Hallvard S. Hatloy | 2007-06-26 |
| 7231991 | Apparatus and methods for sponge coring | Luc Van Puymbroeck, Holger Stibbe, Hallvard S. Hatloy | 2007-06-19 |
| 7093676 | Apparatus and methods for sponge coring | Luc Puymbroeck, Holger Stibbe, Hallvard S. Hatloy | 2006-08-22 |
| 7004265 | Apparatus and methods for sponge coring | Luc Van Puymbroeck, Holger Stibbe, Hallvard S. Hatloy | 2006-02-28 |
| 6719070 | Apparatus and methods for sponge coring | Luc Puymbroeck, Holger Stibbe, Hallvard S. Hatloy | 2004-04-13 |
| 4735269 | Core monitoring device with pressurized inner barrel | Arthur Park | 1988-04-05 |
| 4638872 | Core monitoring device | Arthur Park | 1987-01-27 |
| 4631677 | Method for determining the placement of perforations in a well casing | Arthur Park | 1986-12-23 |
| 4598777 | Method and apparatus for preventing contamination of a coring sponge | Arthur Park | 1986-07-08 |
| 4502553 | Sponge coring apparatus with reinforced sponge | Arthur Park | 1985-03-05 |
| 4479557 | Method and apparatus for reducing field filter cake on sponge cores | Arthur Park | 1984-10-30 |