Assignee
NORTHERN RES & ENG
US·23 granted patents·653 citations·filing 1981–1997
Top patents by PatentIndex Score
23 records- 0195US5450724AGas turbine apparatus including fuel and air mixerNORTHERN RES & ENG·Filed 1993·Granted Sep 19, 1995·81 cites·10 claims
- 0283US5316261AFluid conduit having a variable inner diameterNORTHERN RES & ENG·Filed 1992·Granted May 31, 1994·63 cites·6 claims
- 0383US4340317ASplineless coupling meansNORTHERN RES & ENG·Filed 1981·Granted Jul 20, 1982·58 cites·3 claims
- 0482US5609655AGas turbine apparatusNORTHERN RES & ENG·Filed 1994·Granted Mar 11, 1997·35 cites·6 claims
- 0580US5215439AArbitrary hub for centrifugal impellersNORTHERN RES & ENG·Filed 1992·Granted Jun 1, 1993·59 cites·9 claims
- 0680US5122966AComputer generated tool path interference check methodNORTHERN RES & ENG·Filed 1989·Granted Jun 16, 1992·48 cites·9 claims
- 0778US5564270AGas turbine apparatusNORTHERN RES & ENG·Filed 1994·Granted Oct 15, 1996·28 cites·4 claims
- 0877US5324175APneumatically operated reciprocating piston compressorNORTHERN RES & ENG·Filed 1993·Granted Jun 28, 1994·56 cites·18 claims
- 0970US5426986AAbsorption dynamometer torque measuring device and calibration methodNORTHERN RES & ENG·Filed 1994·Granted Jun 27, 1995·26 cites·6 claims
- 1067US5391024AMethod for multi-criteria flank milling of ruled surfacesNORTHERN RES & ENG·Filed 1994·Granted Feb 21, 1995·28 cites·7 claims
- 1161US5992139ATurbine engine with turbocompressor for supplying atomizing fluid to turbine engine fuel systemNORTHERN RES & ENG·Filed 1997·Granted Nov 30, 1999·31 cites·13 claims
- 1260US5586429ABrayton cycle industrial air compressorNORTHERN RES & ENG·Filed 1994·Granted Dec 24, 1996·31 cites·10 claims
- 1353US5345827AAbsorption dynamometer and torque measurement thereforNORTHERN RES & ENG·Filed 1993·Granted Sep 13, 1994·17 cites·23 claims
- 1448US4526199AValve for throttling fluidNORTHERN RES & ENG·Filed 1983·Granted Jul 2, 1985·9 cites·14 claims
- 1547US5107436AMethod for generating a tool course for a cutting toolNORTHERN RES & ENG·Filed 1990·Granted Apr 21, 1992·16 cites·17 claims
- 1646US5189844AFluid driven tool control deviceNORTHERN RES & ENG·Filed 1991·Granted Mar 2, 1993·10 cites·12 claims
- 1745US5312235AApparatus for reducing pressure pulsationsNORTHERN RES & ENG·Filed 1993·Granted May 17, 1994·9 cites·3 claims
- 1844US5259196AInlet air cooling systemNORTHERN RES & ENG·Filed 1992·Granted Nov 9, 1993·10 cites·11 claims
- 1943US5353597AInlet air cooling systemNORTHERN RES & ENG·Filed 1993·Granted Oct 11, 1994·14 cites·10 claims
- 2038US5509315AAbsorption dynamometer torque measuring device and calibration methodNORTHERN RES & ENG·Filed 1995·Granted Apr 23, 1996·7 cites·7 claims
- 2138US4717075AParticulate dispersion apparatusNORTHERN RES & ENG·Filed 1986·Granted Jan 5, 1988·10 cites·9 claims
- 2237US4697520AFog oil smoke generatorNORTHERN RES & ENG·Filed 1986·Granted Oct 6, 1987·6 cites·5 claims
- 2327US4718702AExpansible couplingNORTHERN RES & ENG·Filed 1985·Granted Jan 12, 1988·1 cites·13 claims
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