Assignee
ESCHER WYSS GMBH
DE·170 granted patents·3,092 citations·filing 1973–1997
Top patents by PatentIndex Score
170 records- 0195US4011027AStain removal apparatusESCHER WYSS GMBH·Filed 1975·Granted Mar 8, 1977·90 cites·5 claims
- 0294US5163364AMethod for calendering a paper or cardboard webESCHER WYSS GMBH·Filed 1989·Granted Nov 17, 1992·59 cites·20 claims
- 0393US4283023AWinder apparatus for a paper machineESCHER WYSS GMBH·Filed 1980·Granted Aug 11, 1981·49 cites·9 claims
- 0493US4143828AWinder for a papermaking machineESCHER WYSS GMBH·Filed 1978·Granted Mar 13, 1979·52 cites·6 claims
- 0591US5074019ARoll with induction heating arrangementESCHER WYSS GMBH·Filed 1989·Granted Dec 24, 1991·64 cites·13 claims
- 0690US4888094AMethod of operating a headbox apparatus for a papermaking machineESCHER WYSS GMBH·Filed 1988·Granted Dec 19, 1989·40 cites·44 claims
- 0789US5262010ADewatering device with adjustable force elements for the web-forming section of a papermaking machineESCHER WYSS GMBH·Filed 1992·Granted Nov 16, 1993·58 cites·19 claims
- 0889US3974026ABelt press with rotatable cylinder and adjustable pressure memberESCHER WYSS GMBH·Filed 1974·Granted Aug 10, 1976·90 cites·4 claims
- 0988US4897158AHeadbox apparatus for a papermaking machineESCHER WYSS GMBH·Filed 1988·Granted Jan 30, 1990·38 cites·37 claims
- 1088US4556454AWet press for dewatering a web of materialESCHER WYSS GMBH·Filed 1985·Granted Dec 3, 1985·42 cites·12 claims
- 1188US4371350AMarine vessel with propellerESCHER WYSS GMBH·Filed 1980·Granted Feb 1, 1983·45 cites·7 claims
- 1287US4306975ASieve apparatus containing a rotatable circular sieveESCHER WYSS GMBH·Filed 1980·Granted Dec 22, 1981·33 cites·11 claims
- 1386US5245920AMethod of calendering a paper webESCHER WYSS GMBH·Filed 1989·Granted Sep 21, 1993·30 cites·12 claims
- 1486US4283275AApparatus for processing waste paperESCHER WYSS GMBH·Filed 1980·Granted Aug 11, 1981·36 cites·8 claims
- 1584US5249758AApparatus for the continuous winding of a web of sheet-like material, in particular a paper webESCHER WYSS GMBH·Filed 1989·Granted Oct 5, 1993·39 cites·9 claims
- 1684US5071513AMethod for the mechanical-thermal dewatering of a fiber stock webESCHER WYSS GMBH·Filed 1990·Granted Dec 10, 1991·48 cites·17 claims
- 1784US4705602AHydraulic pressing shoe with an adjustable circumferential press zoneESCHER WYSS GMBH·Filed 1985·Granted Nov 10, 1987·35 cites·11 claims
- 1884US4662992ATwin-wire papermaking machine and method of dewatering a paper web in a twin-wire papermaking machineESCHER WYSS GMBH·Filed 1985·Granted May 5, 1987·38 cites·38 claims
- 1983US5167770ADe-watering apparatus in a two-wire formerESCHER WYSS GMBH·Filed 1992·Granted Dec 1, 1992·38 cites·23 claims
- 2083US4563940AOil infeed device for an adjustable pitch propellerESCHER WYSS GMBH·Filed 1983·Granted Jan 14, 1986·29 cites·6 claims
- 2182US4736678AApparatus for selectively positioning rolls in a calender roll stackESCHER WYSS GMBH·Filed 1986·Granted Apr 12, 1988·26 cites·16 claims
- 2281US4509925AMarine vessel propeller with nozzleESCHER WYSS GMBH·Filed 1983·Granted Apr 9, 1985·27 cites·18 claims
- 2379US5437850AMethod for calcining moist gypsumESCHER WYSS GMBH·Filed 1994·Granted Aug 1, 1995·47 cites·9 claims
- 2479US5137678AMethod for calendering a paper or cardboard web coated at both sidesESCHER WYSS GMBH·Filed 1991·Granted Aug 11, 1992·25 cites·16 claims
- 2579US4773824ARotor of a wind power installationESCHER WYSS GMBH·Filed 1985·Granted Sep 27, 1988·49 cites·8 claims
- 2677US5393290ARoll with adjustable deflectionESCHER WYSS GMBH·Filed 1992·Granted Feb 28, 1995·23 cites·20 claims
- 2777US4468287ABand press for a fiber webESCHER WYSS GMBH·Filed 1981·Granted Aug 28, 1984·27 cites·4 claims
- 2877US3942728AStock pulperESCHER WYSS GMBH·Filed 1974·Granted Mar 9, 1976·18 cites·8 claims
- 2976US5556511AProcess for drying paper websESCHER WYSS GMBH·Filed 1994·Granted Sep 17, 1996·32 cites·18 claims
- 3076US5431321ARoll for web pressing or web guidingESCHER WYSS GMBH·Filed 1994·Granted Jul 11, 1995·21 cites·10 claims
- 3176US4525916AMethod of coupling coaxial shaftsESCHER WYSS GMBH·Filed 1983·Granted Jul 2, 1985·32 cites·13 claims
- 3275US5061347AAdjustable ledge for the sheet forming zone of a papermaking machineESCHER WYSS GMBH·Filed 1990·Granted Oct 29, 1991·26 cites·12 claims
- 3374US5290223ADeflection controlled rollESCHER WYSS GMBH·Filed 1993·Granted Mar 1, 1994·28 cites·10 claims
- 3474US4967653ACalender having displaceable bearing partsESCHER WYSS GMBH·Filed 1988·Granted Nov 6, 1990·20 cites·5 claims
- 3574US4823690ARoll calender with Nip relieving devicesESCHER WYSS GMBH·Filed 1988·Granted Apr 25, 1989·18 cites·12 claims
- 3674US4417950APapermaking machine containing two movable water pervious dewatering bandsESCHER WYSS GMBH·Filed 1981·Granted Nov 29, 1983·26 cites·14 claims
- 3774US4176005ADouble filter papermaking machineESCHER WYSS GMBH·Filed 1978·Granted Nov 27, 1979·21 cites·12 claims
- 3873US4970803AMethod for drying sludgeESCHER WYSS GMBH·Filed 1990·Granted Nov 20, 1990·25 cites·9 claims
- 3973US4909900AMethod for high temperature, high consistency quick bleaching of raw paper pulpESCHER WYSS GMBH·Filed 1989·Granted Mar 20, 1990·21 cites·15 claims
- 4073US4560474AFlotation apparatus for floating fiber suspensions extracted from waste paperESCHER WYSS GMBH·Filed 1984·Granted Dec 24, 1985·25 cites·7 claims
- 4173US4431482ADispersion apparatus for the preparation of waste paperESCHER WYSS GMBH·Filed 1981·Granted Feb 14, 1984·34 cites·10 claims
- 4272US5308450APress section of a papermaking machineESCHER WYSS GMBH·Filed 1992·Granted May 3, 1994·21 cites·18 claims
- 4372US5076891AHeated roller and method for its operationESCHER WYSS GMBH·Filed 1990·Granted Dec 31, 1991·19 cites·15 claims
- 4472US4898643AHeadbox control apparatus for a papermaking machineESCHER WYSS GMBH·Filed 1986·Granted Feb 6, 1990·19 cites·30 claims
- 4572US4890551AApparatus for guiding the rolls of an essentially vertical calenderESCHER WYSS GMBH·Filed 1988·Granted Jan 2, 1990·17 cites·25 claims
- 4672US4819881ARefiner for processing a fiber stock suspension for paper fabricationESCHER WYSS GMBH·Filed 1987·Granted Apr 11, 1989·21 cites·8 claims
- 4772US4650125AMethod for sorting fiber stock, especially for manufacturing paper, and sorting apparatus for the performance of such methodESCHER WYSS GMBH·Filed 1983·Granted Mar 17, 1987·17 cites·31 claims
- 4872US4384922AInstallation for charging a multi-ply headbox for papermaking machinesESCHER WYSS GMBH·Filed 1981·Granted May 24, 1983·21 cites·11 claims
- 4972US3945576AStock pulperESCHER WYSS GMBH·Filed 1974·Granted Mar 23, 1976·14 cites·8 claims
- 5071US4312139AMaterial web drierESCHER WYSS GMBH·Filed 1980·Granted Jan 26, 1982·30 cites·19 claims
Showing the top 50 of 170 patent records by PatentIndex Score.
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