Completion Tool Company
16Patents
0Active
16Granted
28Portfolio score
Filing activity: Aug 13, 1982 → Sep 14, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4967846A | Progressively inflated packers | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4781249A | Progressively inflated packers | Fixed Constructions | 22 | Expired |
| US4897139A | Method of producing progressively inflated packers | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4577689A | Method for determining true fracture pressure | Fixed Constructions | 17 | Expired |
| US4420159A | Packer valve arrangement | Fixed Constructions | 16 | Expired |
| USRE32345E | Packer valve arrangement | General | 15 | Expired |
| US4492383A | Inflatable well bore packer with pressure equalized rib cavity | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4402517A | Well packer valve arrangement | Fixed Constructions | 12 | Expired |
| US4744421A | Inflatable packer systems | Fixed Constructions | 10 | Expired |
| US4871179A | Inflatable packer with roughened mandrel | Fixed Constructions | 10 | Expired |
| US4577696A | Sequential inflatable packer | Fixed Constructions | 9 | Expired |
| US4607698A | Pipe configuration compatible with CBL | Fixed Constructions | 8 | Expired |
| US4527625A | Packer valve arrangement | Fixed Constructions | 8 | Expired |
| US4577695A | Sequential inflatable packer | Fixed Constructions | 5 | Expired |
| US4606406A | Inflatable packer compatible with CBL | Fixed Constructions | 3 | Expired |
| USRE32438E | Well packer valve arrangement | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.