Issued Patents All Time
Showing 101–108 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272920 | Apparatus, method and system for monitoring fluid | Ronald E. Dant, Robert L. Toellner, Edward P. Arnold, Thuong Van Le, Leslie N. Berryman | 1993-12-28 |
| 5211678 | Apparatus, method and system for monitoring fluid | Ronald E. Dant, Robert L. Toellner, Edward P. Arnold, Thuong Van Le, Leslie N. Berryman | 1993-05-18 |
| 5205359 | Automatic ball injector apparatus and method | — | 1993-04-27 |
| 5026168 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, Max L. Phillippi, David A. Prucha, Vincent G. Reidenbach | 1991-06-25 |
| 4989987 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, Max L. Phillippi, David A. Prucha, Vincent G. Reidenbach | 1991-02-05 |
| 4938073 | Expanded range magnetic flow meter | — | 1990-07-03 |
| 4930576 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, Max L. Phillippi, David A. Prucha, Vincent G. Reidenbach | 1990-06-05 |
| 4433701 | Polymer flood mixing apparatus and method | Bruce M. Cox | 1984-02-28 |