Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215556 | Anisotropic mechanical shear bolt | Juan Carlos Flores, Hernando Andres Garcia Silva | 2025-02-04 |
| 11753891 | Casing mill, method, and system | David Alexander, Knut Inge Dahlberg | 2023-09-12 |
| 11512551 | Extrudable ball for multiple activations | David Alexander, Daniel R. Hart, Irvin Turcios | 2022-11-29 |
| 11408241 | Downhole pulling tool with selective anchor actuation | Jason L. Cullum, Knut Inge Dahlberg, Waqas Munir, Mohsen Ali, Dan Wells +2 more | 2022-08-09 |
| 10724339 | Rotational pump and method | Daniel R. Hart, Lambertus C. Joppe, Jon-Tore Jorpeland | 2020-07-28 |
| 10450820 | Method and apparatus for swarf disposal in wellbores | Daniel R. Hart, Lambertus C. Joppe | 2019-10-22 |
| 10267111 | Multi-tool bottom hole assembly with selective tool operation feature | Daniel R. Hart, Lambertus C. Joppe | 2019-04-23 |
| 10047584 | Lower mill spaced cutting ring structure | Calvin J. Stowe, II, Tejas J. Ghegadmal | 2018-08-14 |
| 9493992 | Cutting device and method of making | Calvin J. Stowe, II | 2016-11-15 |
| 9416612 | Lower mill spaced cutting ring structure | Calvin J. Stowe, II, Tejas J. Ghegadmal | 2016-08-16 |
| 8936109 | Cutting elements for cutting tools | Calvin J. Stowe, II | 2015-01-20 |
| 8689911 | Cutter and cutting tool incorporating the same | Calvin J. Stowe, II | 2014-04-08 |
| 8499834 | Milling tool for establishing openings in wellbore obstructions | Christopher W. Guidry, Guruswami Navin, Lambertus C. F. Joppe, Calvin J. Stowe, II | 2013-08-06 |
| 8479846 | Earth-boring tools including an impact material and methods of drilling through casing | Trung Huynh, Calvin J. Stowe, II, James S. Trahan | 2013-07-09 |
| 8434572 | Cutting elements for downhole cutting tools | Calvin J. Stowe, II | 2013-05-07 |
| 8327957 | Downhole cutting tool having center beveled mill blade | Calvin J. Stowe, II | 2012-12-11 |
| 7878253 | Hydraulically released window mill | Calvin J. Stowe, II, James McNicol | 2011-02-01 |