FlowDril Corporation
5Patents
0Active
5Granted
29Portfolio score
Filing activity: Oct 16, 1984 → Aug 1, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5595252A | Fixed-cutter drill bit assembly and method | Fixed Constructions | 103 | Expired |
| US4624327A | Method for combined jet and mechanical drilling | Fixed Constructions | 49 | Expired |
| US5787998A | Down hole pressure intensifier and drilling assembly and method | Fixed Constructions | 18 | Expired |
| US4691790A | Method and apparatus for removing the inner conduit from a dual passage drill string | Fixed Constructions | 15 | Expired |
| US4789313A | Apparatus for and method of pumping output fluids such as abrasive liquids | Mechanical Engineering; Lighting; Heating | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.