Assignee
DAILEY PETROLEUM SERVICES
US·11 granted patents·423 citations·filing 1983–1996
Top patents by PatentIndex Score
11 records- 0195US4630690ASpiralling tapered slip-on drill string stabilizerDAILEY PETROLEUM SERVICES·Filed 1985·Granted Dec 23, 1986·82 cites·29 claims
- 0278US5086853ALarge bore hydraulic drilling jarDAILEY PETROLEUM SERVICES·Filed 1991·Granted Feb 11, 1992·68 cites·9 claims
- 0374US4600063ADouble-taper slip-on drill string stabilizerDAILEY PETROLEUM SERVICES·Filed 1984·Granted Jul 15, 1986·45 cites·14 claims
- 0471US5624001AMechanical-hydraulic double-acting drilling jarDAILEY PETROLEUM SERVICES·Filed 1995·Granted Apr 29, 1997·58 cites·12 claims
- 0570US4573536AMethod and apparatus for flushing a wellDAILEY PETROLEUM SERVICES·Filed 1984·Granted Mar 4, 1986·37 cites·12 claims
- 0658US5669457ADrill string orienting toolDAILEY PETROLEUM SERVICES·Filed 1996·Granted Sep 23, 1997·42 cites·14 claims
- 0756US4600062AShock absorbing drilling toolDAILEY PETROLEUM SERVICES·Filed 1984·Granted Jul 15, 1986·23 cites·12 claims
- 0856US4526241AAdjustable length drilling subDAILEY PETROLEUM SERVICES·Filed 1983·Granted Jul 2, 1985·22 cites·10 claims
- 0953US4844183AAccelerator for fishing jar with hydrostatic assistDAILEY PETROLEUM SERVICES·Filed 1987·Granted Jul 4, 1989·22 cites·6 claims
- 1045US4508182AMethod and apparatus for controlling azimuthal drift of a drill bitDAILEY PETROLEUM SERVICES·Filed 1983·Granted Apr 2, 1985·13 cites·9 claims
- 1139US4498548AWell jar incorporating elongate resilient vibration snubbers and mounting apparatus thereforDAILEY PETROLEUM SERVICES·Filed 1983·Granted Feb 12, 1985·11 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →