EXPAND ENERGY Corp Active Patents
2 granted patents the USPTO still lists as patented, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2020-09-22: Application 17028283; Invention REMOVABLE THIEF HATCH PLUG; Applicant CHESAPEAKE ENERGY CORPORATION; Status Patented Case.
- 2017-08-07: Application 15670353; Invention THREE-DIMENSIONAL ULTRASONIC WAVE VELOCITY TEST SYSTEM; Applicant CHESAPEAKE ENERGY CORPORATION; Status Patented Case.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-09-22 | 17028283 | REMOVABLE THIEF HATCH PLUG | CHESAPEAKE ENERGY CORPORATION | Patented Case | 2023-01-17 | 11554912 | US20220089363A1 | Landon K. Worth | United States | THOMAS, KAREEN KAY |
| 2017-08-07 | 15670353 | THREE-DIMENSIONAL ULTRASONIC WAVE VELOCITY TEST SYSTEM | CHESAPEAKE ENERGY CORPORATION | Patented Case | 2019-07-09 | 10345269 | US20180045683A1 | Ji Soo Lee John Brumley Evan Morgan Lance DeSpain | United States United States United States United States | SAINT SURIN, JACQUES M |
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