Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330001 | Lead in guide assembly | George J. Melenyzer, James T. Peterson | 1994-07-19 |
| 5330007 | Template and process for drilling and completing multiple wells | Gary J. Collins, Wilhelm E. Benker | 1994-07-19 |
| 5311941 | Rotation release latch for a wellbore tool | — | 1994-05-17 |
| 5146992 | Pump-through pressure seat for use in a wellbore | — | 1992-09-15 |
| 4934459 | Subterranean well anchoring apparatus | Sidney K. Smith, Jr. | 1990-06-19 |
| 4903777 | Dual seal packer for corrosive environments | Henry Joe Jordan, Jr., Frank Mooney, Charles A. Ledet | 1990-02-27 |
| 4901794 | Subterranean well anchoring apparatus | Sidney K. Smith, Jr. | 1990-02-20 |
| 4842069 | Apparatus and method for cementing a liner in a well bore | David L. Nevels | 1989-06-27 |
| 4805698 | Packer cooling system for a downhole steam generator assembly | Frank Mooney, Joseph E. Vandevier | 1989-02-21 |
| 4750563 | Slip gripping mechanism with automatic segment alignment | — | 1988-06-14 |
| 4711326 | Slip gripping mechanism | Joe Foster | 1987-12-08 |
| 4657077 | Locking production seal assembly | Sidney K. Smith, Jr. | 1987-04-14 |
| 4602684 | Well cementing valve | Richard A. Van Wormer | 1986-07-29 |
| 4600058 | Equipment insert and method | Richard A. Van Wormer, Charles A. Ledet, Malcolm Roach | 1986-07-15 |
| 4598774 | Setting tool with retractable torque fingers | David L. Nevels | 1986-07-08 |
| 4497368 | Hanger mechanism | — | 1985-02-05 |
| 4491177 | Ball dropping assembly | — | 1985-01-01 |
| 4450857 | Device for tapping and plugging a fluid conductor | James W. Montgomery | 1984-05-29 |
| 4441560 | Setting tool | James W. Montgomery | 1984-04-10 |
| 4440233 | Setting tool | Melvin J. Hardy | 1984-04-03 |
| 4406324 | Bottom lock pipe seal assembly | James W. Montgomery | 1983-09-27 |
| 4399870 | Annulus operated test valve | James W. Montgomery, Phillip H. Manderscheid | 1983-08-23 |
| 4375240 | Well packer | Phillip H. Manderscheid, James W. Montgomery | 1983-03-01 |
| 4372390 | Well valve | James W. Montgomery, Malcolm Roach | 1983-02-08 |
| 4345649 | Well packer | James W. Montgomery | 1982-08-24 |