Charles David Wintill
18Patents
6h-index
11Co-inventors
59Inventor score
Filing activity: Dec 30, 2003 → Aug 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7428932B1 | Completion system for a well | Fixed Constructions | 32 | Active |
| US8220555B1 | Downhole tool shifting mechanism and method for shifting a downhole tool | Fixed Constructions | 13 | Active |
| US7921922B2 | Formation saver sub and method | Fixed Constructions | 11 | Active |
| US7363981B2 | Seal stack for sliding sleeve | Fixed Constructions | 9 | Expired |
| US8141648B2 | Multiple-positioning mechanical shifting system and method | Fixed Constructions | 7 | Active |
| US8151891B1 | Formation saver sub and method | Fixed Constructions | 6 | Active |
| US7392839B1 | Single line sliding sleeve downhole tool assembly | Fixed Constructions | 5 | Active |
| US7926569B1 | Bypass device for wellbores | Fixed Constructions | 4 | Active |
| US8171998B1 | System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool | Fixed Constructions | 3 | Active |
| US7422065B1 | System for controlling zones of fluid in and out of a wellbore | Fixed Constructions | 3 | Active |
| US7464759B1 | Method for flowing fluid into or from a well | Fixed Constructions | 3 | Active |
| US7373970B1 | Pin connector with seal assembly | Fixed Constructions | 2 | Active |
| US8251153B1 | Control line feed through clamp | Fixed Constructions | 1 | Active |
| US7628211B1 | Method of connecting control lines to well bore equipment for controlling a well on a batch basis | Fixed Constructions | 0 | Active |
| US7516783B2 | Double pin connector and hydraulic connect with seal assembly | Fixed Constructions | 0 | Active |
| US7926595B1 | Filter sub | Fixed Constructions | 0 | Active |
| US11274521B2 | Downhole valve and method of use | Fixed Constructions | 0 | Active |
| US8172000B1 | Method for feeding control lines for drilling or workovers | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.