Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794143 | Sub-surface safety valve flapper sleeve | — | 2020-10-06 |
| 10371284 | Local position indicator for subsea isolation valve having no external position indication | Wade A. Miller, Leonard Medill | 2019-08-06 |
| 9810343 | Pressure compensated flow tube for deep set tubular isolation valve | Wade A. Miller, John Burris | 2017-11-07 |
| 9745822 | Flapper valve | John L. Bernard | 2017-08-29 |
| 9739119 | Penetrator for a puncture communication tool and method | Ronald J. Garr, Brett C. Jones, John D. Lindemann, Thomas S. Myerley | 2017-08-22 |
| 9719326 | Switch between redundant control systems for a subsurface safety valve | Brett C. Jones, Samuel C. Kucera, Clifford H. Beall | 2017-08-01 |
| 9068661 | Curved flapper seal with stepped intermediate surface | Robert J. Dyer, Thomas S. Myerley, Wade A. Miller, Matthew P. Presley | 2015-06-30 |
| 8863767 | Alignment system for flapper valve | Wade A. Miller, Robert J. Dyer, Thomas S. Myerley, Leonard Medill, Matthew P. Presley | 2014-10-21 |
| 8844631 | Debris removal system for downhole closure mechanism, and method thereof | David Z. Anderson | 2014-09-30 |
| 5376172 | Metal oxide processes and toners thereof | Carl P. Tripp, Richard P. N. Veregin | 1994-12-27 |
| 4816370 | Developer compositions with stabilizers to enable flocculation | Melvin D. Croucher, Raymond W. Wong | 1989-03-28 |
| 4789616 | Processes for liquid developer compositions with high transfer efficiencies | Melvin D. Croucher, Raymond W. Wong, Christopher K. Ober | 1988-12-06 |
| 4766049 | Latex based colored liquid developers | Melvin D. Croucher, Raymond W. Wong, James M. Duff, John R. C. Fuller | 1988-08-23 |
| 4705567 | Ink jet compositions with insoluble dye complexes | Kar P. Lok, Francoise M. Winnik | 1987-11-10 |
| 4680332 | Ink jet compositions and process for preparation thereof | Kar P. Lok, Christopher K. Ober, Melvin D. Croucher, Raymond W. Wong | 1987-07-14 |
| 4613559 | Process for colored toner compositions with controlled charges thereon | Christopher K. Ober, Kar P. Lok, Randolph E. Branston | 1986-09-23 |
| 4476210 | Dyed stabilized liquid developer and method for making | Melvin D. Croucher, James M. Duff, Kar P. Lok, Raymond W. Wong | 1984-10-09 |
| 4272596 | Electrophoretic display device | John Harbour | 1981-06-09 |