Assignee
BERSTORFF GMBH MASCH HERMANN
DE·188 granted patents·3,729 citations·filing 1974–2002
Top patents by PatentIndex Score
188 records- 0195US4423960ATwin-screw degassing extruder for degassing thermoplastic materials or the likeBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Jan 3, 1984·90 cites·3 claims
- 0294US4289409AApparatus for plasticizing and extruding plastic materialBERSTORFF GMBH MASCH HERMANN·Filed 1980·Granted Sep 15, 1981·78 cites·6 claims
- 0393US5358693AMethod and apparatus for the single-stage continuous production of a rubber base compound and a rubber end compoundBERSTORFF GMBH MASCH HERMANN·Filed 1993·Granted Oct 25, 1994·84 cites·13 claims
- 0493US4902455AMethod and extrusion apparatus for degassing thermoplastic plastics material meltsBERSTORFF GMBH MASCH HERMANN·Filed 1988·Granted Feb 20, 1990·82 cites·8 claims
- 0593US4581992AScrew press for mechanically separating liquids from mixtures of liquids and solidsBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Apr 15, 1986·42 cites·13 claims
- 0692US5108711AMulti-shaft thin-layer reactorBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Apr 28, 1992·93 cites·12 claims
- 0792US4974503AApparatus for irradiating food productsBERSTORFF GMBH MASCH HERMANN·Filed 1990·Granted Dec 4, 1990·81 cites·13 claims
- 0892US4268176APlanetary extruder for thermoplastics materialBERSTORFF GMBH MASCH HERMANN·Filed 1980·Granted May 19, 1981·73 cites·2 claims
- 0990US5057167AMethod for producing chip- and fiber-board webs of uniform thicknessBERSTORFF GMBH MASCH HERMANN·Filed 1990·Granted Oct 15, 1991·77 cites·5 claims
- 1090US4192617AScrew extruder for processing rubber or plastics materialBERSTORFF GMBH MASCH HERMANN·Filed 1978·Granted Mar 11, 1980·65 cites·9 claims
- 1189US4839485AApparatus for the uniform and rapid heating of foodstuffsBERSTORFF GMBH MASCH HERMANN·Filed 1988·Granted Jun 13, 1989·59 cites·9 claims
- 1287US3985488AMaterial guide jaw for two co-operating rolls of a rolling mill or calenderBERSTORFF GMBH MASCH HERMANN·Filed 1975·Granted Oct 12, 1976·26 cites·4 claims
- 1385US3932258AApparatus for the continuous production of chipboard, fibreboard and like panelsBERSTORFF GMBH MASCH HERMANN·Filed 1974·Granted Jan 13, 1976·42 cites·13 claims
- 1484US4897236AMethod and apparatus for the continuous manufacture of rubber or polymer-based mixtures containing additivesBERSTORFF GMBH MASCH HERMANN·Filed 1988·Granted Jan 30, 1990·53 cites·19 claims
- 1582US5106198AApparatus for treating molten materialBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Apr 21, 1992·49 cites·10 claims
- 1682US4889430APlanetary gear extruder for the compounding and extrusion of plastic materialsBERSTORFF GMBH MASCH HERMANN·Filed 1989·Granted Dec 26, 1989·38 cites·7 claims
- 1782US4332541AFiltering arrangement for thermoplastics materialsBERSTORFF GMBH MASCH HERMANN·Filed 1980·Granted Jun 1, 1982·41 cites·6 claims
- 1880US4563243AApparatus and a method for producing wood pulp in a hollow cylinder containing a rotatable screwBERSTORFF GMBH MASCH HERMANN·Filed 1984·Granted Jan 7, 1986·22 cites·17 claims
- 1980US4508454AExtruderBERSTORFF GMBH MASCH HERMANN·Filed 1983·Granted Apr 2, 1985·38 cites·5 claims
- 2079US5044757AExtrusion device for incorporating additivesBERSTORFF GMBH MASCH HERMANN·Filed 1989·Granted Sep 3, 1991·40 cites·8 claims
- 2179US4548568AExtrusion headBERSTORFF GMBH MASCH HERMANN·Filed 1983·Granted Oct 22, 1985·39 cites·1 claims
- 2279US4515738AMethod of monitoring the production of extruded profiles and an apparatus incorporating means for effecting such monitoringBERSTORFF GMBH MASCH HERMANN·Filed 1983·Granted May 7, 1985·36 cites·8 claims
- 2379US4245972AGranulating apparatusBERSTORFF GMBH MASCH HERMANN·Filed 1979·Granted Jan 20, 1981·27 cites·5 claims
- 2478US4940329ADegassing extruderBERSTORFF GMBH MASCH HERMANN·Filed 1989·Granted Jul 10, 1990·39 cites·7 claims
- 2577US5141426ADegassing extruderBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Aug 25, 1992·27 cites·9 claims
- 2677US4653994AExtrusion head for producing flat profiles from rubber or plastics materialBERSTORFF GMBH MASCH HERMANN·Filed 1986·Granted Mar 31, 1987·38 cites·1 claims
- 2776US5147198AHigh performance extruder with a constant number of threads in the inlet and outlet regions of a transfer shearing sectionBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Sep 15, 1992·26 cites·10 claims
- 2876US4416543AApparatus for treating powdery rubber mixturesBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Nov 22, 1983·35 cites·2 claims
- 2976US4365946AApparatus for continuously processing rubber, elastomers, plastics and like materials which can be vulcanized or cross-linkedBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Dec 28, 1982·27 cites·11 claims
- 3076US4176967AApparatus for the preparation of thermoplastic materialsBERSTORFF GMBH MASCH HERMANN·Filed 1978·Granted Dec 4, 1979·32 cites·5 claims
- 3175US4624854AContinuous method of sterilizing foodstuffsBERSTORFF GMBH MASCH HERMANN·Filed 1985·Granted Nov 25, 1986·38 cites·3 claims
- 3273US5302635AMethod and arrangement for the single-stage continuous production of a rubber base compound and a rubber end compoundBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Apr 12, 1994·32 cites·3 claims
- 3373US5127741AHigh-performance extruderBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Jul 7, 1992·25 cites·6 claims
- 3473US3994769AApparatus for continuously laminating a continuous strip of chipboard with decorative filmBERSTORFF GMBH MASCH HERMANN·Filed 1975·Granted Nov 30, 1976·23 cites·2 claims
- 3572US4956532AMethod and apparatus for even heating of products by means of microwavesBERSTORFF GMBH MASCH HERMANN·Filed 1989·Granted Sep 11, 1990·33 cites·9 claims
- 3672US4927482AMethod and apparatus for producing tread strips for automotive vehicle tiresBERSTORFF GMBH MASCH HERMANN·Filed 1988·Granted May 22, 1990·29 cites·9 claims
- 3771US4730935AExtrusion apparatus for the production of mixtures of molten synthetic materialBERSTORFF GMBH MASCH HERMANN·Filed 1987·Granted Mar 15, 1988·31 cites·1 claims
- 3871US4431311AExtrusion apparatus for the production of foamed synthetic materialBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Feb 14, 1984·29 cites·3 claims
- 3971US4107788AExtruder screwBERSTORFF GMBH MASCH HERMANN·Filed 1977·Granted Aug 15, 1978·24 cites·3 claims
- 4070US4324965AMicrowave heating method and apparatus including adjustable tuning membersBERSTORFF GMBH MASCH HERMANN·Filed 1979·Granted Apr 13, 1982·28 cites·4 claims
- 4170US4249879AGranulating apparatusBERSTORFF GMBH MASCH HERMANN·Filed 1979·Granted Feb 10, 1981·20 cites·11 claims
- 4269US6361200B1Gear extruder having gas vent portsBERSTORFF GMBH MASCH HERMANN·Filed 2000·Granted Mar 26, 2002·8 cites·12 claims
- 4369US4956530AMethod of operation and device for even heating by means of microwavesBERSTORFF GMBH MASCH HERMANN·Filed 1989·Granted Sep 11, 1990·29 cites·10 claims
- 4469US4573799ADegassing extrusion deviceBERSTORFF GMBH MASCH HERMANN·Filed 1983·Granted Mar 4, 1986·26 cites·5 claims
- 4569US4214857AMulti-roll calenderBERSTORFF GMBH MASCH HERMANN·Filed 1977·Granted Jul 29, 1980·21 cites·10 claims
- 4668US5145352APin transfer extruderBERSTORFF GMBH MASCH HERMANN·Filed 1991·Granted Sep 8, 1992·21 cites·7 claims
- 4768US4799874AExtrusion headBERSTORFF GMBH MASCH HERMANN·Filed 1987·Granted Jan 24, 1989·28 cites·4 claims
- 4868US4201480AExtrusion apparatus for manufacturing foamed thermoplastic materialBERSTORFF GMBH MASCH HERMANN·Filed 1978·Granted May 6, 1980·22 cites·7 claims
- 4967US5262111AProcess for the continuous production of rubber compounds in a twin-screw extruderBERSTORFF GMBH MASCH HERMANN·Filed 1992·Granted Nov 16, 1993·25 cites·14 claims
- 5067US4344836AMethod for converting coal to hydrocarbons by hydrogenationBERSTORFF GMBH MASCH HERMANN·Filed 1981·Granted Aug 17, 1982·15 cites·10 claims
Showing the top 50 of 188 patent records by PatentIndex Score.
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