Assignee
POLYSIUS AG
80 granted patents·610 citations·filing 1973–2009
Top patents by PatentIndex Score
80 records- 0192US3951347AApparatus for crushing material containing particles that are hard to pulverizePOLYSIUS AG·Filed 1973·Granted Apr 20, 1976·59 cites·14 claims
- 0286US8021479B2Plant and method for the production of cement clinker from cement raw materialPOLYSIUS AG·Filed 2006·Granted Sep 20, 2011·7 cites·10 claims
- 0384US4191526ASuspension gas preheaterPOLYSIUS AG·Filed 1978·Granted Mar 4, 1980·19 cites·13 claims
- 0482US4067623APneumatic pressure conveyor for fine materialPOLYSIUS AG·Filed 1976·Granted Jan 10, 1978·35 cites·3 claims
- 0580US7510135B2Grinding rollPOLYSIUS AG·Filed 2004·Granted Mar 31, 2009·19 cites·16 claims
- 0676US7833012B2Process and apparatus for calcining solids or sludgesPOLYSIUS AG·Filed 2007·Granted Nov 16, 2010·3 cites·16 claims
- 0773US7946518B2Grinding roller and method for the reconditioning thereofPOLYSIUS AG·Filed 2008·Granted May 24, 2011·5 cites·7 claims
- 0871US4109871AMethod and apparatus for processing abrasive materialPOLYSIUS AG·Filed 1976·Granted Aug 29, 1978·18 cites·4 claims
- 0970US7866584B2Vertical millPOLYSIUS AG·Filed 2006·Granted Jan 11, 2011·5 cites·10 claims
- 1070US7553155B2Apparatus and method for the production of cement clinkerPOLYSIUS AG·Filed 2005·Granted Jun 30, 2009·7 cites·14 claims
- 1170US4099802AHydrostatic bearing unit and a hydrostatic bearing assembly comprising several such bearing unitsPOLYSIUS AG·Filed 1977·Granted Jul 11, 1978·21 cites·19 claims
- 1270US3933394AApparatus for pneumatically withdrawing fine material from a silo containerPOLYSIUS AG·Filed 1974·Granted Jan 20, 1976·22 cites·11 claims
- 1368US4239300AHydrostatic bearingPOLYSIUS AG·Filed 1979·Granted Dec 16, 1980·21 cites·20 claims
- 1468US4105396AApparatus for heat treatment of fine grained materialsPOLYSIUS AG·Filed 1976·Granted Aug 8, 1978·11 cites·5 claims
- 1567US6796141B2Cooler and a method for cooling hot bulk materialPOLYSIUS AG·Filed 2001·Granted Sep 28, 2004·8 cites·10 claims
- 1666US7033417B1Method and installation for reducing orefines in a multi-stage suspension gas stream using a cyclone separatorPOLYSIUS AG·Filed 2000·Granted Apr 25, 2006·7 cites·20 claims
- 1762US8038084B2Roller millPOLYSIUS AG·Filed 2009·Granted Oct 18, 2011·4 cites·14 claims
- 1862US4118177AApparatus and method for calcining or sintering fine-grained materialPOLYSIUS AG·Filed 1976·Granted Oct 3, 1978·18 cites·13 claims
- 1961US3932117AMethod of burning or sintering fine-grain materialPOLYSIUS AG·Filed 1974·Granted Jan 13, 1976·15 cites·8 claims
- 2060US4099953AInstallation for heating starting materials for glass meltingPOLYSIUS AG·Filed 1977·Granted Jul 11, 1978·18 cites·15 claims
- 2159US4127406AProcess for the heat treatment of fine materialPOLYSIUS AG·Filed 1977·Granted Nov 28, 1978·9 cites·5 claims
- 2258US7757975B2Device and method for drying and deagglomeratingPOLYSIUS AG·Filed 2006·Granted Jul 20, 2010·2 cites·2 claims
- 2358US4083676AMethod for heat treating fine-grain materialPOLYSIUS AG·Filed 1976·Granted Apr 11, 1978·14 cites·8 claims
- 2457US7954743B2Roller millPOLYSIUS AG·Filed 2007·Granted Jun 7, 2011·2 cites·10 claims
- 2557US4257766AProcesses and apparatus for the heat treatment of fine-grained materialPOLYSIUS AG·Filed 1978·Granted Mar 24, 1981·8 cites·21 claims
- 2655US4026410ATravelling grate chainPOLYSIUS AG·Filed 1975·Granted May 31, 1977·7 cites·14 claims
- 2755US4026154ASample taking apparatusPOLYSIUS AG·Filed 1975·Granted May 31, 1977·18 cites·5 claims
- 2854US7938349B2Roller millPOLYSIUS AG·Filed 2007·Granted May 10, 2011·1 cites·9 claims
- 2954US7775465B2Method and apparatus for grinding iron ore or iron ore concentratePOLYSIUS AG·Filed 2004·Granted Aug 17, 2010·2 cites·1 claims
- 3054US3987738ASeal for a traveling gratePOLYSIUS AG·Filed 1975·Granted Oct 26, 1976·12 cites·5 claims
- 3153US6805554B2Plant and method for the production of cement clinkerPOLYSIUS AG·Filed 2002·Granted Oct 19, 2004·9 cites·13 claims
- 3253US4014642AShaft coolerPOLYSIUS AG·Filed 1976·Granted Mar 29, 1977·12 cites·10 claims
- 3352US4035139AMethod of heat treating fine granular materialPOLYSIUS AG·Filed 1976·Granted Jul 12, 1977·6 cites·4 claims
- 3449US3976331AVertical feeder for powdered materialPOLYSIUS AG·Filed 1975·Granted Aug 24, 1976·11 cites·8 claims
- 3548US4133488ARoller mill with removable separator structurePOLYSIUS AG·Filed 1977·Granted Jan 9, 1979·9 cites·7 claims
- 3648US4004938AMethod and apparatus for manufacturing cement clinkerPOLYSIUS AG·Filed 1975·Granted Jan 25, 1977·11 cites·11 claims
- 3747US4091750AGrate plate arrangement for a travelling gratePOLYSIUS AG·Filed 1977·Granted May 30, 1978·7 cites·6 claims
- 3846US7073737B2Tube grinder and method for comminuting lumpy grinding stockPOLYSIUS AG·Filed 2002·Granted Jul 11, 2006·3 cites·20 claims
- 3946US3975147ARotary kilnPOLYSIUS AG·Filed 1975·Granted Aug 17, 1976·5 cites·10 claims
- 4044US4255185AProcesses and apparatus for reducing and subsequently pelletizing moist fine-grained orePOLYSIUS AG·Filed 1978·Granted Mar 10, 1981·6 cites·29 claims
- 4144US4206836ADrive for rotary kilns, mills and the likePOLYSIUS AG·Filed 1977·Granted Jun 10, 1980·4 cites·3 claims
- 4244US4043746AMethod for the heat treatment of fine-grained materials containing alkali compoundsPOLYSIUS AG·Filed 1976·Granted Aug 23, 1977·8 cites·8 claims
- 4343US4050883AApparatus and methods for the heat treatment of fine-grained materialsPOLYSIUS AG·Filed 1976·Granted Sep 27, 1977·4 cites·13 claims
- 4443US4029365AMethod for feeding powdered materialPOLYSIUS AG·Filed 1975·Granted Jun 14, 1977·8 cites·1 claims
- 4543US4005980ASatellite tube supportPOLYSIUS AG·Filed 1975·Granted Feb 1, 1977·4 cites·16 claims
- 4642US7997518B2Roller press with retractable grinding material guide metal sheetPOLYSIUS AG·Filed 2008·Granted Aug 16, 2011·0 cites·8 claims
- 4741US4096642AApparatus for heat exchange between fine material and gasPOLYSIUS AG·Filed 1976·Granted Jun 27, 1978·7 cites·8 claims
- 4841US3940236AMethods and apparatus for the heat treatment of fine-grained materialsPOLYSIUS AG·Filed 1974·Granted Feb 24, 1976·7 cites·15 claims
- 4940US7976627B2Method and device for the production of a hydraulic binding agentPOLYSIUS AG·Filed 2004·Granted Jul 12, 2011·1 cites·10 claims
- 5040US7971815B2Milling station and method for grinding milling materialPOLYSIUS AG·Filed 2006·Granted Jul 5, 2011·0 cites·7 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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