Inventor · disambiguated record
Karl M. Prewo
Also filed as: PREWO KARL M · PREWO KARL MICHAEL
55 granted patents·1,887 citations·filing 1976–2002
99Inventor score
Top patents by PatentIndex Score
55 records- 0198US6386324B1Elevator traction sheaveOTIS ELEVATOR CO·Filed 2000·Granted May 14, 2002·63 cites·26 claims
- 0298US6364061B2Tension member for an elevatorOTIS ELEVATOR CO·Filed 2000·Granted Apr 2, 2002·57 cites·18 claims
- 0397US4111606AComposite rotor bladeUNITED TECHNOLOGIES CORP·Filed 1976·Granted Sep 5, 1978·58 cites·11 claims
- 0496US4341826AInternal combustion engine and composite parts formed from silicon carbide fiber-reinforced ceramic or glass matricesUNITED TECHNOLOGIES CORP·Filed 1980·Granted Jul 27, 1982·92 cites·20 claims
- 0595US6696144B2Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the sameUNITED TECHNOLOGIES CORP·Filed 2002·Granted Feb 24, 2004·67 cites·13 claims
- 0695US6451416B1Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the sameUNITED TECHNOLOGIES CORP·Filed 1999·Granted Sep 17, 2002·101 cites·20 claims
- 0795US6401871B2Tension member for an elevatorOTIS ELEVATOR CO·Filed 1998·Granted Jun 11, 2002·61 cites·22 claims
- 0895US4324843AContinuous length silicon carbide fiber reinforced ceramic compositesUNITED TECHNOLOGIES CORP·Filed 1980·Granted Apr 13, 1982·79 cites·8 claims
- 0994US6672046B1Tension member for an elevatorOTIS ELEVATOR CO·Filed 2000·Granted Jan 6, 2004·46 cites·8 claims
- 1094US4314852ASilicon carbide fiber reinforced glass compositesUNITED TECHNOLOGIES CORP·Filed 1980·Granted Feb 9, 1982·77 cites·10 claims
- 1192US4857485AOxidation resistant fiber reinforced composite articleUNITED TECHNOLOGIES CORP·Filed 1987·Granted Aug 15, 1989·71 cites·2 claims
- 1291US4464192AMolding process for fiber reinforced glass matrix composite articlesUNITED TECHNOLOGIES CORP·Filed 1982·Granted Aug 7, 1984·71 cites·3 claims
- 1390US6390242B1Elevator traction sheave linerOTIS ELEVATOR CO·Filed 2000·Granted May 21, 2002·18 cites·14 claims
- 1489US4626461AGas turbine engine and composite partsUNITED TECHNOLOGIES CORP·Filed 1983·Granted Dec 2, 1986·46 cites·9 claims
- 1588US4738902AGas turbine engine and composite partsUNITED TECHNOLOGIES CORP·Filed 1986·Granted Apr 19, 1988·46 cites·29 claims
- 1687US4613473AMethod for forming composite articles of complex shapesUNITED TECHNOLOGIES CORP·Filed 1984·Granted Sep 23, 1986·41 cites·5 claims
- 1786US4263367ADiscontinuous graphite fiber reinforced glass compositesUNITED TECHNOLOGIES CORP·Filed 1979·Granted Apr 21, 1981·38 cites·9 claims
- 1885US4808076ARotor for a gas turbine engineUNITED TECHNOLOGIES CORP·Filed 1987·Granted Feb 28, 1989·44 cites·3 claims
- 1985US4110505AQuick bond composite and processUNITED TECHNOLOGIES CORP·Filed 1976·Granted Aug 29, 1978·58 cites·7 claims
- 2084US4435455ACompliant composite tubular liners of fiber reinforced glass/glass-ceramic having utility as gun barrel linersUNITED TECHNOLOGIES CORP·Filed 1983·Granted Mar 6, 1984·43 cites·5 claims
- 2183US5372868AFiber reinforced glass matrix and glass-ceramic matrix composite articlesUNITED TECHNOLOGIES CORP·Filed 1992·Granted Dec 13, 1994·46 cites·20 claims
- 2283US4265968AHigh strength, high thermally conductive articlesUNITED TECHNOLOGIES CORP·Filed 1980·Granted May 5, 1981·34 cites·5 claims
- 2379US4780432AControlled fiber distribution technique for glass matrix compositesUNITED TECHNOLOGIES CORP·Filed 1986·Granted Oct 25, 1988·42 cites·5 claims
- 2479US4256378AGraphite-glass composite laser mirrorUNITED TECHNOLOGIES CORP·Filed 1979·Granted Mar 17, 1981·32 cites·5 claims
- 2577US4341840AComposite bearings, seals and brakesUNITED TECHNOLOGIES CORP·Filed 1981·Granted Jul 27, 1982·26 cites·5 claims
- 2675US5015116AStructural joints of high dimensional stabilityUNITED TECHNOLOGIES CORP·Filed 1990·Granted May 14, 1991·42 cites·11 claims
- 2774US4911990AMicrostructurally toughened metallic article and method of making sameUNITED TECHNOLOGIES CORP·Filed 1988·Granted Mar 27, 1990·28 cites·5 claims
- 2873US4268562ALaser resistant ceramic compositeUS AIR FORCE·Filed 1979·Granted May 19, 1981·26 cites·7 claims
- 2972US4664731APultrusion of glass and glass-ceramic matrix compositesUS NAVY·Filed 1985·Granted May 12, 1987·20 cites·3 claims
- 3072US4581053AMethod of producing woven fiber reinforced glass matrix composite articlesUNITED TECHNOLOGIES CORP·Filed 1982·Granted Apr 8, 1986·26 cites·4 claims
- 3170US4422725AMethod of optimally operating a graphite fiber reinforced glass matrix composite optical articleUNITED TECHNOLOGIES CORP·Filed 1981·Granted Dec 27, 1983·23 cites·13 claims
- 3269US4623228AComposite mirror substrateUNITED TECHNOLOGIES CORP·Filed 1984·Granted Nov 18, 1986·23 cites·14 claims
- 3369US4414011AMethod of securing fiber reinforced glass matrix composite material to structural membersUNITED TECHNOLOGIES CORP·Filed 1982·Granted Nov 8, 1983·26 cites·10 claims
- 3468US4857093AMethod for producing integral chopped fiber reinforced glass or glass-ceramic structuresUNITED TECHNOLOGIES CORP·Filed 1987·Granted Aug 15, 1989·24 cites·2 claims
- 3567US4260441AQuick bond composite and processUNITED TECHNOLOGIES CORP·Filed 1978·Granted Apr 7, 1981·17 cites·2 claims
- 3666US5122226AMethod of making hybrid composite structures of fiber reinforced glass and resin matricesUNITED TECHNOLOGIES CORP·Filed 1987·Granted Jun 16, 1992·21 cites·9 claims
- 3765US5950470AMethod and apparatus for peening the internal surface of a non-ferromagnetic hollow partUNITED TECHNOLOGIES CORP·Filed 1998·Granted Sep 14, 1999·28 cites·14 claims
- 3865US4410635ADiscontinuous silicon carbide fiber reinforced ceramic compositesUNITED TECHNOLOGIES CORP·Filed 1982·Granted Oct 18, 1983·18 cites·6 claims
- 3961US5478219ALightweight scroll element and method of makingCARRIER CORP·Filed 1994·Granted Dec 26, 1995·20 cites·4 claims
- 4059US4999256AMicrostructurally toughened metal matrix composite articleUNITED TECHNOLOGIES CORP·Filed 1988·Granted Mar 12, 1991·12 cites·7 claims
- 4159US4960629AFiber reinforced composite articleUNITED TECHNOLOGIES CORP·Filed 1989·Granted Oct 2, 1990·15 cites·6 claims
- 4259US4885212AMicrostructurally toughened metal matrix composite article and method of making sameUNITED TECHNOLOGIES CORP·Filed 1988·Granted Dec 5, 1989·12 cites·6 claims
- 4357US5079099AMicrostructurally toughened metal matrix composite article and method of making sameUNITED TECHNOLOGIES CORP·Filed 1989·Granted Jan 7, 1992·15 cites·3 claims
- 4457US4808485AMicrostructurally toughened metal matrix composite article and method of making sameUNITED TECHNOLOGIES CORP·Filed 1988·Granted Feb 28, 1989·11 cites·6 claims
- 4557US4410394AMethods of making cooled, thermally stable composite mirrorsUNITED TECHNOLOGIES CORP·Filed 1983·Granted Oct 18, 1983·14 cites·11 claims
- 4657US4357286AMethod of making a graphite-glass composite laser mirrorUNITED TECHNOLOGIES CORP·Filed 1980·Granted Nov 2, 1982·14 cites·6 claims
- 4756US4666645AMethod for forming fiber reinforced composite articlesUNITED TECHNOLOGIES CORP·Filed 1984·Granted May 19, 1987·13 cites·3 claims
- 4855US4451118AComposite laser mirrorUNITED TECHNOLOGIES CORP·Filed 1980·Granted May 29, 1984·14 cites·9 claims
- 4950US4870827AHybrid composite compressorUNITED TECHNOLOGIES CORP·Filed 1987·Granted Oct 3, 1989·14 cites·18 claims
- 5047US4399231ADiscontinuous silicon carbide fiber reinforced glass compositesUNITED TECHNOLOGIES CORP·Filed 1982·Granted Aug 16, 1983·10 cites·8 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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