Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11255171 | Method of pumping fluid from a wellbore by a subsurface pump having an interior flow passage in communication with a fluid chamber via a filter positioned in a side wall of a plunger | Douglas Hebert, John Edward Stachowiak, Jr. | 2022-02-22 |
| 10883349 | Bottom hole assembly for configuring between artificial lift systems | Thomas S. Campbell, Manish Agarwal, Jeffrey J. Lembcke, Michael C. Knoeller, Toby Pugh | 2021-01-05 |
| 10472946 | Smarter slug flow conditioning and control | Rajan N. Chokshi, Luis E. Gonzales, David A. Joy | 2019-11-12 |
| 10385663 | Subsurface pump for use in well artificial lift operations having an interior flow passage of a plunger being in communication with a fluid chamber via a filter | Douglas Hebert, John Edward Stachowiak, Jr. | 2019-08-20 |
| 10196883 | Long-stroke pumping unit | Clark E. Robison, Benson Thomas, Darius J. Yakimchuk, Jeffrey J. Lembcke, Bryan A. Paulet +3 more | 2019-02-05 |
| 9664009 | Apparatuses, systems, and methods for forming in-situ gel pills to lift liquids from horizontal wells | Jeffrey J. Lembcke, Clayton S. Smith | 2017-05-30 |
| 9068444 | Gas lift system having expandable velocity string | Deborah Lynn Banta | 2015-06-30 |
| 8858187 | Reciprocating rod pump for sandy fluids | — | 2014-10-14 |
| 7874369 | Progressive cavity pump (PCP) drive head stuffing box with split seal | Charles D. Parker | 2011-01-25 |
| 7445049 | Gas operated pump for hydrocarbon wells | William F. Howard, Darren James Wiltse | 2008-11-04 |
| 7314089 | Method of wellbore pumping apparatus with improved temperature performance and method of use | William F. Howard | 2008-01-01 |
| 7311152 | Gas operated pump for hydrocarbon wells | William F. Howard | 2007-12-25 |
| 6973973 | Gas operated pump for hydrocarbon wells | William F. Howard | 2005-12-13 |
| 6358027 | Adjustable fit progressive cavity pump/motor apparatus and method | — | 2002-03-19 |
| 4816314 | Release medium for use in the production of abrasion-resistant decorative laminates and a method for the production of abrasion-resistant decorative laminates | John Prawdzik, Norman F. Maxim, Christo Antonio | 1989-03-28 |
| 4689102 | Method for the production of abrasion-resistant decorative laminates | John Prawdzik, Norman F. Maxim, Christo Antonio | 1987-08-25 |
| 4607999 | De-watering pump | — | 1986-08-26 |
| 4421286 | Mooring system | Tibor Laky, Kebbie J. Turner, Sr. | 1983-12-20 |
| 4234167 | Automatic inhaul winch system | — | 1980-11-18 |
| RE30233 | Multiple layer decorated paper, laminate prepared therefrom and process | Donald E. Moffatt | 1980-03-18 |