Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9440807 | Nitrogen purge hopper | Aaron Funk, Steven Sauder | 2016-09-13 |
| 9005554 | Fischer tropsch method for offshore production risers or oil and gas wells | — | 2015-04-14 |
| 9006297 | Fischer tropsch method for offshore production risers for oil and gas wells | — | 2015-04-14 |
| 6085851 | Multi-activity offshore exploration and/or development drill method and apparatus | Robert J. Scott, Donald R. Ray | 2000-07-11 |
| 6068069 | Multi-activity offshore exploration and/or development drilling method and apparatus | Robert J. Scott, Donald R. Ray | 2000-05-30 |
| 6056071 | Multi-activity offshore exploration and/or development drilling method and apparatus | Robert J. Scott, Donald R. Ray | 2000-05-02 |
| 6047781 | Multi-activity offshore exploration and/or development drilling method and apparatus | Robert J. Scott, Donald R. Ray | 2000-04-11 |
| 5243932 | Pilot/main fuel injection method for diesel engines | — | 1993-09-14 |
| 4265568 | Gravity base, jack-up platform - method and apparatus | Floyd T. Pease, Donald R. Ray | 1981-05-05 |