Frederick T. Tilton
39Patents
20h-index
75Co-inventors
88Inventor score
Filing activity: May 7, 1979 → Dec 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5318122A | Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means | Fixed Constructions | 294 | Expired |
| US5887655A | Wellbore milling and drilling | Fixed Constructions | 190 | Expired |
| US5887668A | Wellbore milling-- drilling | Fixed Constructions | 166 | Expired |
| US6142230A | Wellbore tubular patch system | Fixed Constructions | 164 | Expired |
| US5957195A | Wellbore tool stroke indicator system and tubular patch | Fixed Constructions | 138 | Expired |
| US6708769B2 | Apparatus and methods for forming a lateral wellbore | Fixed Constructions | 89 | Expired |
| US6082451A | Wellbore shoe joints and cementing systems | Fixed Constructions | 88 | Expired |
| US6708767B2 | Downhole tubing | Fixed Constructions | 85 | Expired |
| US4373584A | Single trip tubing hanger assembly | Fixed Constructions | 68 | Expired |
| US4248307A | Latch assembly and method | Emerging Cross-Sectional Technologies | 68 | Expired |
| US7219730B2 | Smart cementing systems | Fixed Constructions | 65 | Expired |
| US8540035B2 | Extendable cutting tools for use in a wellbore | Fixed Constructions | 56 | Active |
| US7303022B2 | Wired casing | Fixed Constructions | 50 | Expired |
| US6536525B1 | Methods and apparatus for forming a lateral wellbore | Fixed Constructions | 45 | Expired |
| US7311148B2 | Methods and apparatus for wellbore construction and completion | Fixed Constructions | 41 | Expired |
| US6896075B2 | Apparatus and methods for drilling with casing | Fixed Constructions | 40 | Expired |
| US6708762B2 | Methods and apparatus for forming a lateral wellbore | Fixed Constructions | 33 | Expired |
| US5368098A | Stage tool | Fixed Constructions | 26 | Expired |
| US7121351B2 | Apparatus and method for completing a wellbore | Fixed Constructions | 26 | Expired |
| US7063143B2 | Docking station assembly and methods for use in a wellbore | Fixed Constructions | 23 | Expired |
| US4473231A | Dynamic seal for subterranean well | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6311771A | Plug for use in wellbore operations and apparatus for launching said plug | Fixed Constructions | 18 | Expired |
| US8978750B2 | Signal operated isolation valve | Fixed Constructions | 16 | Active |
| US4252196A | Control tool | Fixed Constructions | 14 | Expired |
| US4239083A | Method and apparatus for rotating tubing conduits | Fixed Constructions | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.