Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587478 | Optimization of dynamically changing downhole tool settings | Stuart Oliver | 2017-03-07 |
| 9388680 | System for optimizing drilling in real time | — | 2016-07-12 |
| 8954304 | Neural net for use in drilling simulation | Mark P. Frenzel, Roy Duncan | 2015-02-10 |
| 8799198 | Borehole drilling optimization with multiple cutting structures | Arifin Purwanto, Lei Yan | 2014-08-05 |
| 8285531 | Neural net for use in drilling simulation | Mark P. Frenzel, Roy Duncan | 2012-10-09 |
| 7142986 | System for optimizing drilling in real time | — | 2006-11-28 |
| 6814162 | One cone bit with interchangeable cutting structures, a box-end connection, and integral sensory devices | George Witman | 2004-11-09 |
| 6782959 | Cutter element with non-linear, expanded crest | James C. Minikus, Chris E. Cawthorne, Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia +1 more | 2004-08-31 |
| 6698536 | Roller cone drill bit having lubrication contamination detector and lubrication positive pressure maintenance system | Gary R. Portwood | 2004-03-02 |
| 6561293 | Cutter element with non-linear, expanded crest | James C. Minikus, Chris E. Cawthorne, Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia +1 more | 2003-05-13 |
| 6424919 | Method for determining preferred drill bit design parameters and drilling parameters using a trained artificial neural network, and methods for training the artificial neural network | James A. Robertson | 2002-07-23 |
| 6367568 | Steel tooth cutter element with expanded crest | Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia, Quan Nguyen | 2002-04-09 |
| 6241034 | Cutter element with expanded crest geometry | Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia | 2001-06-05 |
| 6161634 | Cutter element with non-rectilinear crest | James C. Minikus, Chris E. Cawthorne, Stephen C. Steinke, Gary R. Portwood, Gary E. Garcia | 2000-12-19 |
| 4555411 | Process for producing a reduced fat spread | John J. Hepburn, David George Sharp | 1985-11-26 |
| 4540593 | Reduced fat spread and a process for the production thereof | Iain Campbell | 1985-09-10 |
| 4520037 | Edible emulsion having an improved microbiological stability | Grahame Gould, Anthony Crossley | 1985-05-28 |
| 4515825 | Low fat spread and process for producing same | David George Sharp | 1985-05-07 |
| 4513017 | Process for producing a spread starting from a bimodal dispersed phase | David George Sharp | 1985-04-23 |
| 4414236 | Edible emulsions containing gelling agents | John J. Hepburn | 1983-11-08 |
| 4305964 | Food product | Peter W. Halstead | 1981-12-15 |
| 4305970 | Edible emulsions and process for their preparation | Janos Bodor | 1981-12-15 |