Assignee
DRESSER IND
US·1,232 granted patents·39,799 citations·filing 1971–2002
Top patents by PatentIndex Score
1,232 records- 0199US6163155AElectromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formationsDRESSER IND·Filed 1999·Granted Dec 19, 2000·256 cites·37 claims
- 0299US5373907AMethod and apparatus for manufacturing and inspecting the quality of a matrix body drill bitDRESSER IND·Filed 1993·Granted Dec 20, 1994·188 cites·18 claims
- 0399US4621031AComposite material bonded by an amorphous metal, and preparation thereofDRESSER IND·Filed 1984·Granted Nov 4, 1986·208 cites·6 claims
- 0498US6476609B1Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzoneDRESSER IND·Filed 2000·Granted Nov 5, 2002·264 cites·23 claims
- 0598US6429784B1Casing mounted sensors, actuators and generatorsDRESSER IND·Filed 1999·Granted Aug 6, 2002·281 cites·10 claims
- 0697US6152591AInteractive graphics display system for a fuel dispenserDRESSER IND·Filed 1997·Granted Nov 28, 2000·215 cites·12 claims
- 0797US4538063APhoto transducer circuit for setting minimum and maximum current flow between power terminalsDRESSER IND·Filed 1983·Granted Aug 27, 1985·134 cites·10 claims
- 0896US6112981ABar code reader for a fuel dispenserDRESSER IND·Filed 1998·Granted Sep 5, 2000·135 cites·29 claims
- 0996US6003623ACutters and bits for terrestrial boringDRESSER IND·Filed 1998·Granted Dec 21, 1999·231 cites·36 claims
- 1096US5794720AMethod of assaying downhole occurrences and conditionsDRESSER IND·Filed 1996·Granted Aug 18, 1998·167 cites·47 claims
- 1196US4988274AMethod and apparatus for producing an optical elementDRESSER IND·Filed 1988·Granted Jan 29, 1991·155 cites·9 claims
- 1296US4398862APivot pin assemblyDRESSER IND·Filed 1982·Granted Aug 16, 1983·69 cites·7 claims
- 1396US4192380AMethod and apparatus for logging inclined earth boreholesDRESSER IND·Filed 1978·Granted Mar 11, 1980·115 cites·11 claims
- 1496US3934887ARotary drilling head assemblyDRESSER IND·Filed 1975·Granted Jan 27, 1976·77 cites·15 claims
- 1595US6191586B1Method and apparatus for azimuthal electromagnetic well logging using shielded antennasDRESSER IND·Filed 1998·Granted Feb 20, 2001·156 cites·18 claims
- 1695US5680889ALow noise ball valve assemblyDRESSER IND·Filed 1996·Granted Oct 28, 1997·88 cites·14 claims
- 1795US4725512AMaterials transformable from the nonamorphous to the amorphous state under frictional loadingsDRESSER IND·Filed 1984·Granted Feb 16, 1988·78 cites·13 claims
- 1895US4722405AWear compensating rock bit insertDRESSER IND·Filed 1986·Granted Feb 2, 1988·162 cites·39 claims
- 1995US4688970APower drill and automatic control system thereforeDRESSER IND·Filed 1985·Granted Aug 25, 1987·154 cites·17 claims
- 2095US4544756AZwiterionic 2-alkyl imidazolines as emulsifying agents for oil based drilling fluidsDRESSER IND·Filed 1983·Granted Oct 1, 1985·33 cites·7 claims
- 2195US4423889AWell-tubing expansion jointDRESSER IND·Filed 1980·Granted Jan 3, 1984·206 cites·2 claims
- 2295US4397361AAbradable cutter protectionDRESSER IND·Filed 1981·Granted Aug 9, 1983·138 cites·8 claims
- 2395US4262343APressure pulse detection apparatusDRESSER IND·Filed 1979·Granted Apr 14, 1981·67 cites·9 claims
- 2495US4022284AAutomatic alignment system for earth boring rigDRESSER IND·Filed 1975·Granted May 10, 1977·76 cites·5 claims
- 2595US3956140ADrilling fluidsDRESSER IND·Filed 1973·Granted May 11, 1976·53 cites·56 claims
- 2694US6134888ATurbocharger control management systemDRESSER IND·Filed 1999·Granted Oct 24, 2000·67 cites·18 claims
- 2794US6109368AMethod and system for predicting performance of a drilling system for a given formationDRESSER IND·Filed 1998·Granted Aug 29, 2000·265 cites·102 claims
- 2894US5983743AActuator assemblyDRESSER IND·Filed 1997·Granted Nov 16, 1999·88 cites·18 claims
- 2994US5886303AMethod and apparatus for cancellation of unwanted signals in MWD acoustic toolsDRESSER IND·Filed 1997·Granted Mar 23, 1999·142 cites·29 claims
- 3094US5049421ATransducer glass bonding techniqueDRESSER IND·Filed 1989·Granted Sep 17, 1991·94 cites·41 claims
- 3194US4996627AHigh sensitivity miniature pressure transducerDRESSER IND·Filed 1989·Granted Feb 26, 1991·176 cites·292 claims
- 3294US4743513AWear-resistant amorphous materials and articles, and process for preparation thereofDRESSER IND·Filed 1983·Granted May 10, 1988·52 cites·1 claims
- 3394US4591299ARapid feed apparatus for automatic feed drills or the likeDRESSER IND·Filed 1984·Granted May 27, 1986·60 cites·6 claims
- 3494US4462282APower tool with torque reaction barDRESSER IND·Filed 1982·Granted Jul 31, 1984·71 cites·6 claims
- 3594US4387773AShaped charge well perforatorDRESSER IND·Filed 1981·Granted Jun 14, 1983·60 cites·14 claims
- 3694US4236457ASteerable railway truck adapter pad centering meansDRESSER IND·Filed 1978·Granted Dec 2, 1980·69 cites·11 claims
- 3794US4006936ARotary cutter for a road planerDRESSER IND·Filed 1975·Granted Feb 8, 1977·223 cites·25 claims
- 3893US6366531B1Method and apparatus for acoustic loggingDRESSER IND·Filed 1998·Granted Apr 2, 2002·117 cites·20 claims
- 3993US6138779AHardfacing having coated ceramic particles or coated particles of other hard materials placed on a rotary cone cutterDRESSER IND·Filed 1998·Granted Oct 31, 2000·97 cites·22 claims
- 4093US5860457AGasoline vapor recovery system and method utilizing vapor detectionDRESSER IND·Filed 1995·Granted Jan 19, 1999·100 cites·53 claims
- 4193USD384084SRotary cone drill bitDRESSER IND·Filed 1995·Granted Sep 23, 1997·56 cites·1 claims
- 4293US5452771ARotary drill bit with improved cutter and seal protectionDRESSER IND·Filed 1994·Granted Sep 26, 1995·167 cites·4 claims
- 4393US4687491AFuel admixture for a catalytic combustorDRESSER IND·Filed 1984·Granted Aug 18, 1987·74 cites·17 claims
- 4493US4676124ADrag bit with improved cutter mountDRESSER IND·Filed 1986·Granted Jun 30, 1987·72 cites·8 claims
- 4593US4506025ASilica castablesDRESSER IND·Filed 1984·Granted Mar 19, 1985·108 cites·8 claims
- 4693US4471435AComputer-based system for acquisition of nuclear well log dataDRESSER IND·Filed 1981·Granted Sep 11, 1984·73 cites·42 claims
- 4793US4373446ABearing adapter for railroad trucks having steering armsDRESSER IND·Filed 1980·Granted Feb 15, 1983·70 cites·5 claims
- 4893US4316417AWelded side frame column wear plateDRESSER IND·Filed 1976·Granted Feb 23, 1982·63 cites·5 claims
- 4993US4056153ARotary rock bit with multiple row coverage for very hard formationsDRESSER IND·Filed 1976·Granted Nov 1, 1977·122 cites·5 claims
- 5093US4005880AGas service connector for plastic pipeDRESSER IND·Filed 1975·Granted Feb 1, 1977·141 cites·10 claims
Showing the top 50 of 1,232 patent records by PatentIndex Score.
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