Assignee
KRUPP POLYSIUS AG
DE·164 granted patents·2,366 citations·filing 1979–2001
Top patents by PatentIndex Score
164 records- 0195US4720262AApparatus for the heat treatment of fine materialKRUPP POLYSIUS AG·Filed 1987·Granted Jan 19, 1988·101 cites·13 claims
- 0293US4395164APneumatic tube installation for posting samples of materialKRUPP POLYSIUS AG·Filed 1981·Granted Jul 26, 1983·94 cites·6 claims
- 0390US4322116AHydrodynamic bearingKRUPP POLYSIUS AG·Filed 1980·Granted Mar 30, 1982·50 cites·11 claims
- 0489US4315439ADrive apparatus for rotary unitKRUPP POLYSIUS AG·Filed 1980·Granted Feb 16, 1982·27 cites·22 claims
- 0588US4762489ACooling apparatusKRUPP POLYSIUS AG·Filed 1987·Granted Aug 9, 1988·30 cites·14 claims
- 0688US4628657ACeiling and wall constructionKRUPP POLYSIUS AG·Filed 1985·Granted Dec 16, 1986·48 cites·7 claims
- 0787US5149266AMethod and apparatus for cooling hot materialKRUPP POLYSIUS AG·Filed 1991·Granted Sep 22, 1992·28 cites·17 claims
- 0886US5947719AGrate plate constructionKRUPP POLYSIUS AG·Filed 1997·Granted Sep 7, 1999·25 cites·15 claims
- 0985US5871348AMethod and apparatus for preventing formation of snowmen and removing lumps of coating in clinker coolersKRUPP POLYSIUS AG·Filed 1997·Granted Feb 16, 1999·39 cites·26 claims
- 1085US4514170AApparatus for the heat treatment of fine-grained materialKRUPP POLYSIUS AG·Filed 1983·Granted Apr 30, 1985·20 cites·11 claims
- 1185US4402667AProcess and an installation for the heat-treatment of fine-grained materialKRUPP POLYSIUS AG·Filed 1980·Granted Sep 6, 1983·22 cites·12 claims
- 1284US4381897AInstallation for transporting fine-grained materialKRUPP POLYSIUS AG·Filed 1982·Granted May 3, 1983·47 cites·5 claims
- 1383US5897063AMethod of comminuting ore materialKRUPP POLYSIUS AG·Filed 1997·Granted Apr 27, 1999·35 cites·14 claims
- 1482US5000392AGrinding rollerKRUPP POLYSIUS AG·Filed 1990·Granted Mar 19, 1991·36 cites·13 claims
- 1581US5312056ARoll millKRUPP POLYSIUS AG·Filed 1993·Granted May 17, 1994·34 cites·17 claims
- 1679US5216884AMethod and apparatus for producing burnt material and for generating electrical energyKRUPP POLYSIUS AG·Filed 1991·Granted Jun 8, 1993·26 cites·19 claims
- 1779US4662909ACyclone constructionKRUPP POLYSIUS AG·Filed 1985·Granted May 5, 1987·35 cites·3 claims
- 1878US6644479B1Method and air separator for classifying charging material reduced in sizeKRUPP POLYSIUS AG·Filed 2000·Granted Nov 11, 2003·27 cites·8 claims
- 1977US6325620B1Method of reducing volatile pollutants in the exhaust gases from a heat exchanger systemKRUPP POLYSIUS AG·Filed 2000·Granted Dec 4, 2001·16 cites·9 claims
- 2077US5264013AMethod and apparatus for purification of exit gases from kiln installationsKRUPP POLYSIUS AG·Filed 1992·Granted Nov 23, 1993·44 cites·20 claims
- 2176US4896837ARoller millKRUPP POLYSIUS AG·Filed 1988·Granted Jan 30, 1990·24 cites·10 claims
- 2276US4797091AMethod and apparatus for utilizing the heat energy of domestic and commercial refuseKRUPP POLYSIUS AG·Filed 1988·Granted Jan 10, 1989·36 cites·16 claims
- 2376US4447966ARotary drumKRUPP POLYSIUS AG·Filed 1982·Granted May 15, 1984·15 cites·11 claims
- 2475US5253816AMaterial crushing roller constructionKRUPP POLYSIUS AG·Filed 1992·Granted Oct 19, 1993·42 cites·11 claims
- 2575US4919341AGrinding method and grinding apparatusKRUPP POLYSIUS AG·Filed 1988·Granted Apr 24, 1990·22 cites·9 claims
- 2674US6266883B1Method of making a grate plateKRUPP POLYSIUS AG·Filed 1999·Granted Jul 31, 2001·13 cites·16 claims
- 2774US5375776AMethod and apparatus for the comminution of material for grindingKRUPP POLYSIUS AG·Filed 1993·Granted Dec 27, 1994·32 cites·17 claims
- 2873US5322434ACooler grateKRUPP POLYSIUS AG·Filed 1992·Granted Jun 21, 1994·18 cites·16 claims
- 2973US4466761APneumatic-tube conveying installation for samples of fine materialKRUPP POLYSIUS AG·Filed 1981·Granted Aug 21, 1984·25 cites·10 claims
- 3073US4457520ADevice for sealing the gap between a rotary kiln and an inlet housingKRUPP POLYSIUS AG·Filed 1982·Granted Jul 3, 1984·15 cites·10 claims
- 3171US4485684AApparatus for extracting and analysing dust-laden gas samplesKRUPP POLYSIUS AG·Filed 1982·Granted Dec 4, 1984·31 cites·9 claims
- 3270US6544032B1Method and installation for heat-treating fine-grained productsKRUPP POLYSIUS AG·Filed 2000·Granted Apr 8, 2003·12 cites·10 claims
- 3370US4846666AMethod and burner for burning fuelKRUPP POLYSIUS AG·Filed 1988·Granted Jul 11, 1989·31 cites·14 claims
- 3470US4737294AMatrix-ring magnetic separatorKRUPP POLYSIUS AG·Filed 1986·Granted Apr 12, 1988·34 cites·19 claims
- 3569US4909450ARoller millKRUPP POLYSIUS AG·Filed 1988·Granted Mar 20, 1990·19 cites·13 claims
- 3666US6644859B2Supporting roller set for tiltable support of a rotary drumKRUPP POLYSIUS AG·Filed 2001·Granted Nov 11, 2003·16 cites·20 claims
- 3766US5919301AMethod and apparatus for heat treatment of fine-grained materialKRUPP POLYSIUS AG·Filed 1997·Granted Jul 6, 1999·25 cites·14 claims
- 3866US5219544AMethod of purifying the exhaust gases from plants for the production of cement clinkerKRUPP POLYSIUS AG·Filed 1990·Granted Jun 15, 1993·29 cites·20 claims
- 3966US4889289AMethod and apparatus for crushing material for grindingKRUPP POLYSIUS AG·Filed 1988·Granted Dec 26, 1989·17 cites·14 claims
- 4065US5902685ARoll, method of producing a roll as well as material bed roll millKRUPP POLYSIUS AG·Filed 1996·Granted May 11, 1999·24 cites·30 claims
- 4165US5642863AMethod of extracting metals from ore materialKRUPP POLYSIUS AG·Filed 1996·Granted Jul 1, 1997·15 cites·19 claims
- 4265US4576644AMethod of producing cement from raw material containing harmful substancesKRUPP POLYSIUS AG·Filed 1983·Granted Mar 18, 1986·19 cites·8 claims
- 4365US4563271APercussion jigKRUPP POLYSIUS AG·Filed 1984·Granted Jan 7, 1986·22 cites·9 claims
- 4464US4771641ASample dividerKRUPP POLYSIUS AG·Filed 1987·Granted Sep 20, 1988·32 cites·11 claims
- 4564US4694994ARoller millKRUPP POLYSIUS AG·Filed 1985·Granted Sep 22, 1987·17 cites·14 claims
- 4663US5522557ARoll millKRUPP POLYSIUS AG·Filed 1994·Granted Jun 4, 1996·21 cites·15 claims
- 4763US5129820AMethod and apparatus for cooling fired bulk materialKRUPP POLYSIUS AG·Filed 1990·Granted Jul 14, 1992·11 cites·12 claims
- 4863US4762220ASide scraper for a heap of loose materialKRUPP POLYSIUS AG·Filed 1987·Granted Aug 9, 1988·26 cites·7 claims
- 4962US5549471ACooler grate for a reciprocating grate coolerKRUPP POLYSIUS AG·Filed 1995·Granted Aug 27, 1996·26 cites·8 claims
- 5062US4732561AApparatus for cooling hot materialKRUPP POLYSIUS AG·Filed 1986·Granted Mar 22, 1988·24 cites·26 claims
Showing the top 50 of 164 patent records by PatentIndex Score.
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