Bunker Hill
15Patents
10h-index
32Co-inventors
72Inventor score
Filing activity: Mar 9, 2000 → Mar 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6719049B2 | Fluid sampling methods and apparatus for use in boreholes | Fixed Constructions | 73 | Expired |
| US6964301B2 | Method and apparatus for subsurface fluid sampling | Fixed Constructions | 47 | Expired |
| US7090012B2 | Method and apparatus for subsurface fluid sampling | Fixed Constructions | 43 | Expired |
| US6371221B1 | Coring bit motor and method for obtaining a material core sample | Fixed Constructions | 40 | Expired |
| US7222671B2 | Apparatus and method for formation evaluation | Fixed Constructions | 21 | Expired |
| US7380599B2 | Apparatus and method for characterizing a reservoir | Fixed Constructions | 18 | Expired |
| US6729416B2 | Method and apparatus for retaining a core sample within a coring tool | Fixed Constructions | 15 | Expired |
| US6412575B1 | Coring bit and method for obtaining a material core sample | Fixed Constructions | 15 | Expired |
| US7637321B2 | Apparatus and method for unsticking a downhole tool | Fixed Constructions | 13 | Active |
| US7431107B2 | Coring bit with uncoupled sleeve | Fixed Constructions | 11 | Expired |
| US8047286B2 | Formation evaluation system and method | Fixed Constructions | 9 | Active |
| US8991245B2 | Apparatus and methods for characterizing a reservoir | Fixed Constructions | 4 | Active |
| US7762334B2 | Eccentrically-disposed choke injector | Fixed Constructions | 4 | Active |
| US7703526B2 | Apparatus and method for characterizing a reservoir | Fixed Constructions | 1 | Active |
| US12123293B2 | Method for generating self-propped hydraulic fractures | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.