Richard Urquhart
Inventor
Stats
- 0 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 0 US Patents Issued
- 2 US Applications Filed
- 50 Total Citation Count
- Apr 27, 2007 Most Recent Filing
- Apr 29, 2006 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Varco I/P, Inc. | 1
1 | 2006
2007 |
Inventor Addresses
| Address | Duration |
|---|---|
| Katy, TX | Nov 15, 07 - Oct 30, 08 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E21B: | EARTH OR ROCK DRILLING | 1 |
| F01B: | MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2008/0267,785 | 2008 | Drill rig apparatuses with directly driven shaft & drilling fluid pump systems | 44 |
| 2007/0261,888 | 2007 | Mud pump systems for drilling operations | 5 |
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