Prosecution Insights
Prosecution Insights
Tech Center 3600 • Art Units: 3641 3672 3676
This examiner grants 72% of resolved cases
| App # | Title | Status | Assignee |
|---|---|---|---|
| 19335823 | Fixed Cutter Drill Bits and Cutter Element with Secondary Cutting Edges for Same | Non-Final OA | National Oilwell Varco, L.P. |
| 19334606 | Fixed Cutter Drill Bits and Cutter Elements with Secondary Cutting Edges for Same | Non-Final OA | National Oilwell Varco, L.P. |
| 19286667 | INTERNAL SLIP INCLUDING ONE OR MORE SYMMETRICAL TEETH | Non-Final OA | Halliburton Energy Services, Inc. |
| 19239373 | ELECTRICALLY OPERATED LOW POWER COMPLETION CONTROL SYSTEM | Final Rejection | Halliburton Energy Services, Inc. |
| 18959063 | MAGNETICALLY COUPLED SUBSURFACE SAFETY VALVE | Final Rejection | Halliburton Energy Services, Inc. |
| 18946709 | NOISE CHARACTERIZATION IN FORMATION TESTING | Non-Final OA | Halliburton Energy Services, Inc. |
| 18812687 | DENSITY BASED DOWNHOLE FLUID SEPARATOR THAT CREATES ARTIFICIAL GRAVITY | Non-Final OA | Halliburton Energy Services, Inc. |
| 18494395 | SEALING ASSEMBLY EMPLOYING A CYLINDRICAL EXTRUSION LIMITER | Non-Final OA | Halliburton Energy Services, Inc. |
| 17340984 | COLLAPSIBLE SHELL PACKER FOR METAL-TO-METAL SEALING | Final Rejection | Halliburton Energy Services, Inc. |
| 19325815 | Tri-Axial Shock Absorber Sub | Non-Final OA | Stabil Drill Specialties, L.L.C. |
| 19173236 | Collecting Device with an Adjustable Filter Position and Method for Use | Non-Final OA | Baker Hughes Oilfield Operations, LLC |
| 19291064 | RUPTURE DISC ASSEMBLY | Non-Final OA | NCS MULTISTAGE INC. |
| 19244968 | TECHNIQUES FOR CONNECTING WELLBORE TOOLS IN A TOOL STRING | Non-Final OA | DynaEnergetics Europe GmbH |
| 19193813 | DOWNHOLE TOOL STRING | Final Rejection | Welltec A/S |
| 18525227 | CENTER ROD PLUNGER | Non-Final OA | Epic Lift Systems |
| 18437750 | Multi-Plunger Pumps and Associated Drive Systems | Final Rejection | U.S. Well Services Holdings, LLC |
| 18429237 | GEOLOGIC MATERIAL REMOVAL SYSTEM | Non-Final OA | EarthGrid PBC |
| 18278419 | PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRILLING | Non-Final OA | Rig Technologies International Pty Ltd |
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