Paul E. Pastusek
45Patents
23h-index
54Co-inventors
88Inventor score
Filing activity: Oct 3, 1980 → Jul 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5906245A | Mechanically locked drill bit components | Fixed Constructions | 121 | Expired |
| US5678645A | Mechanically locked cutters and nozzles | Fixed Constructions | 109 | Expired |
| US5172778A | Drill bit cutter and method for reducing pressure loading of cutters | Fixed Constructions | 96 | Expired |
| US6850068B2 | Formation resistivity measurement sensor contained onboard a drill bit (resistivity in bit) | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5497842A | Reamer wing for enlarging a borehole below a smaller-diameter portion therof | Fixed Constructions | 71 | Expired |
| US5495899A | Reamer wing with balanced cutting loads | Fixed Constructions | 70 | Expired |
| US4444281A | Combination drag and roller cutter drill bit | Fixed Constructions | 68 | Expired |
| US5873422A | Anti-whirl drill bit | Fixed Constructions | 61 | Expired |
| US5431239A | Stud design for drill bit cutting element | Fixed Constructions | 58 | Expired |
| US5979576A | Anti-whirl drill bit | Fixed Constructions | 57 | Expired |
| US4611673A | Drill bit having offset roller cutters and improved nozzles | Fixed Constructions | 51 | Expired |
| US8798978B2 | Methods to estimate downhole drilling vibration indices from surface measurement | Fixed Constructions | 49 | Active |
| US4848476A | Drill bit having offset roller cutters and improved nozzles | Fixed Constructions | 48 | Expired |
| US7604072B2 | Method and apparatus for collecting drill bit performance data | Fixed Constructions | 45 | Expired |
| US7921937B2 | Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same | Fixed Constructions | 38 | Active |
| USRE36817E | Method and apparatus for drilling and enlarging a borehole | General | 35 | Expired |
| US5115873A | Method and appartus for directing drilling fluid to the cutting edge of a cutter | Fixed Constructions | 34 | Expired |
| US4516642A | Drill bit having angled nozzles for improved bit and well bore cleaning | Fixed Constructions | 33 | Expired |
| US8977523B2 | Methods to estimate downhole drilling vibration amplitude from surface measurement | Physics | 32 | Active |
| US9436173B2 | Drilling advisory systems and methods with combined global search and local search methods | Physics | 28 | Active |
| US9285794B2 | Drilling advisory systems and methods with decision trees for learning and application modes | Physics | 27 | Active |
| US4546837A | Drill bit having angled nozzles for improved bit and well bore cleaning | Fixed Constructions | 26 | Expired |
| US7510026B2 | Method and apparatus for collecting drill bit performance data | Fixed Constructions | 25 | Active |
| US7497276B2 | Method and apparatus for collecting drill bit performance data | Fixed Constructions | 23 | Active |
| US4741406A | Drill bit having offset roller cutters and improved nozzles | Fixed Constructions | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.