Assignee
MAURER ENG
US·21 granted patents·1,758 citations·filing 1976–2001
Top patents by PatentIndex Score
21 records- 0196US4620601AWell drilling tool with diamond thrust bearingsMAURER ENG·Filed 1981·Granted Nov 4, 1986·137 cites·18 claims
- 0296US4468138AManufacture of diamond bearingsMAURER ENG·Filed 1981·Granted Aug 28, 1984·402 cites·11 claims
- 0395US4410054AWell drilling tool with diamond radial/thrust bearingsMAURER ENG·Filed 1981·Granted Oct 18, 1983·448 cites·20 claims
- 0495US4185704ADirectional drilling apparatusMAURER ENG·Filed 1978·Granted Jan 29, 1980·137 cites·10 claims
- 0591US4116451AShaft seal assembly and seal ring thereforMAURER ENG·Filed 1977·Granted Sep 26, 1978·91 cites·6 claims
- 0685US4162619ADrill string shock subMAURER ENG·Filed 1978·Granted Jul 31, 1979·59 cites·17 claims
- 0781US4324299ADownhole drilling motor with pressure balanced bearing sealsMAURER ENG·Filed 1980·Granted Apr 13, 1982·37 cites·15 claims
- 0880US4991668AControlled directional drilling system and methodMAURER ENG·Filed 1989·Granted Feb 12, 1991·60 cites·38 claims
- 0979US4114703AWell drilling tool having sealed lubrication systemMAURER ENG·Filed 1977·Granted Sep 19, 1978·33 cites·10 claims
- 1078US4665997APressure balanced bearing assembly for downhole motorsMAURER ENG·Filed 1985·Granted May 19, 1987·33 cites·33 claims
- 1176US4246976ADown hole drilling motor with pressure balanced bearing sealsMAURER ENG·Filed 1978·Granted Jan 27, 1981·37 cites·14 claims
- 1274US4225000ADown hole drilling motor with pressure balanced bearing sealsMAURER ENG·Filed 1978·Granted Sep 30, 1980·35 cites·5 claims
- 1374US4114704ADown hole well drilling tool with reversible thrust bearingsMAURER ENG·Filed 1977·Granted Sep 19, 1978·37 cites·12 claims
- 1467US6457538B1Advanced coring apparatus and methodMAURER ENG·Filed 2001·Granted Oct 1, 2002·35 cites·25 claims
- 1567US6313755B1Downhole buried utility sensing and data transmission system and methodMAURER ENG·Filed 1999·Granted Nov 6, 2001·57 cites·12 claims
- 1664US4225270AMethod and apparatus for connecting a flowline to an offshore installationMAURER ENG·Filed 1978·Granted Sep 30, 1980·25 cites·14 claims
- 1764US4114702AWell drilling tool with lubricant level indicatorMAURER ENG·Filed 1977·Granted Sep 19, 1978·25 cites·11 claims
- 1858US4340334ATurbodrill with rubber rotor bearingsMAURER ENG·Filed 1980·Granted Jul 20, 1982·16 cites·6 claims
- 1955US5022471ADeviated wellbore drilling system and apparatusMAURER ENG·Filed 1990·Granted Jun 11, 1991·29 cites·12 claims
- 2050US4828053ADeviated wellbore drilling system and apparatusMAURER ENG·Filed 1988·Granted May 9, 1989·20 cites·16 claims
- 2139US4121675AApparatus for gripping a shaft or the likeMAURER ENG·Filed 1976·Granted Oct 24, 1978·5 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when MAURER ENG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →