PES Limited
17Patents
0Active
17Granted
34Portfolio score
Filing activity: Sep 12, 1994 → Jul 23, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5607017A | Dissolvable well plug | Fixed Constructions | 160 | Expired |
| US6109355A | Tool string shock absorber | Mechanical Engineering; Lighting; Heating | 121 | Expired |
| US5775429A | Downhole packer | Fixed Constructions | 63 | Expired |
| US6041858A | High expansion downhole packer | Fixed Constructions | 58 | Expired |
| US5833490A | High pressure instrument wire connector | Fixed Constructions | 58 | Expired |
| US5995020A | Downhole power and communication system | Fixed Constructions | 57 | Expired |
| US5666050A | Downhole magnetic position sensor | Physics | 53 | Expired |
| US5941313A | Control set downhole packer | Fixed Constructions | 50 | Expired |
| US5744877A | Downhole power transmission system | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5769160A | Multi-functional downhole cable system | Fixed Constructions | 32 | Expired |
| US6056327A | High pressure hydraulic line connector | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5720342A | Integrated converter for extending the life span of electronic components | Electricity | 22 | Expired |
| US6026899A | High expansion slip system | Fixed Constructions | 19 | Expired |
| US5547028A | Downhole system for extending the life span of electronic components | Electricity | 14 | Expired |
| US5647435A | Containment of downhole electronic systems | Fixed Constructions | 11 | Expired |
| US5730217A | Vacuum insulated converter for extending the life span of electronic components | Electricity | 7 | Expired |
| US6093262A | Corrosion resistant solenoid valve | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.