Inventor · disambiguated record
Ferdinand Leifeld
Also filed as: BENEKE WOLFGANG · LEIFELD FERDINAND · VOLLRATH ULRICH
153 granted patents·2,173 citations·filing 1974–2019
99Inventor score
Files withTRUETZSCHLER & CO88TRUETZSCHLER GMBH & CO KG47BASF SE6KUESTERS EDUARD4TRUEZSCHLER GMBH & CO KG3
Top patents by PatentIndex Score
153 records- 0199US6088882ARegulated sliver drawing unit having at least one drawing field and method of regulationTRUETZSCHLER GMBH & CO KG·Filed 1998·Granted Jul 18, 2000·49 cites·19 claims
- 0299US5461757AApparatus for measuring the sliver density at a tapering sliver guide in a drafting frameTRUETZSCHLER GMBH & CO KG·Filed 1994·Granted Oct 31, 1995·43 cites·24 claims
- 0398US5161284ASliver drafting apparatus with rpm sensing and adjustingTRUETZSCHLER & CO·Filed 1991·Granted Nov 10, 1992·36 cites·8 claims
- 0496US5018246APassage width adjusting device for a sliver trumpetTRUETZSCHLER & CO·Filed 1990·Granted May 28, 1991·29 cites·10 claims
- 0593US5815890AApparatus for measuring the thickness of a running sliver in a sliver producing machineTRUETZSCHLER & CO·Filed 1996·Granted Oct 6, 1998·19 cites·3 claims
- 0692US5130559AMethod and apparatus for recognizing particle impurities in textile fiberTRUETZSCHLER & CO·Filed 1990·Granted Jul 14, 1992·84 cites·25 claims
- 0791US4506413AApparatus for regulating fiber quantities supplied to a textile machineTRUETZSCHLER & CO·Filed 1983·Granted Mar 26, 1985·37 cites·10 claims
- 0890US5791489AApparatus for separating foreign bodies from a fiber tuft streamTRUETZSCHLER & CO·Filed 1996·Granted Aug 11, 1998·75 cites·17 claims
- 0989US4742675AMethod and apparatus for producing a uniform, continuous fiber quantityTRUETZSCHLER & CO·Filed 1985·Granted May 10, 1988·16 cites·16 claims
- 1089US4625368AMethod and apparatus for opening and cleaning fiber materialTRUETZSCHLER & CO·Filed 1984·Granted Dec 2, 1986·32 cites·10 claims
- 1186US6216318B1Feed tray assembly for advancing fiber material in a fiber processing machineTRUETZSCHLER GMBH & CO KG·Filed 1999·Granted Apr 17, 2001·39 cites·12 claims
- 1286US6163931AFeeding device for advancing fiber material to a fiber processing machineTRUETZSCHLER GMBH & CO KG·Filed 1999·Granted Dec 26, 2000·40 cites·23 claims
- 1385US3964860AMethod for dyeing carpets and the likeKUESTERS EDUARD·Filed 1974·Granted Jun 22, 1976·23 cites·10 claims
- 1484US5634316AMethod and apparatus for handling flat coiler cans before, during and after filling the cans by a sliver-producing textile machineTRUETZSCHLER & CO·Filed 1995·Granted Jun 3, 1997·13 cites·16 claims
- 1584US4723344AMethod and apparatus for opening fiber balesTRUETZSCHLER & CO·Filed 1986·Granted Feb 9, 1988·28 cites·22 claims
- 1683US4688300AApparatus for can changingTRUETZSCHLER & CO·Filed 1986·Granted Aug 25, 1987·13 cites·10 claims
- 1782US5682647AApparatus for moving coiler cans to a sliver producing textile machineTRUETZSCHLER & CO·Filed 1996·Granted Nov 4, 1997·12 cites·14 claims
- 1882US4805266AApparatus for detecting foreign bodies in a mass of textile fibersTRUETZSCHLER & CO·Filed 1988·Granted Feb 21, 1989·25 cites·16 claims
- 1981US4779311AMethod and apparatus for feeding a plurality of textile fiber processing machinesTRUETZSCHLER & CO·Filed 1987·Granted Oct 25, 1988·24 cites·19 claims
- 2081US4297767AApparatus for opening textile fiber balesTRUETZSCHLER & CO·Filed 1979·Granted Nov 3, 1981·18 cites·22 claims
- 2180US5595049AMethod and apparatus for depositing sliver from a sliver-producing machine into a coiler canTRUETZSCHLER & CO·Filed 1995·Granted Jan 21, 1997·28 cites·10 claims
- 2280US4709451AMethod and apparatus for feeding a fiber tuft opener or cleanerTRUETZSCHLER & CO·Filed 1986·Granted Dec 1, 1987·23 cites·10 claims
- 2380US4535511AMethod and apparatus for controlling and regulating machines of a textile fiber processing lineTRUETZSCHLER & CO·Filed 1983·Granted Aug 20, 1985·20 cites·8 claims
- 2479US5983456ASliver guiding device for a fiber processing machineTRUETZSCHLER GMBH & CO KG·Filed 1998·Granted Nov 16, 1999·10 cites·21 claims
- 2579US5446946AMethod and apparatus for vertically displacing a shiftable bottom of a coiler canTRUETZSCHLER GMBH & CO KG·Filed 1994·Granted Sep 5, 1995·21 cites·9 claims
- 2679US4939815ALap evening apparatus for a fiber processing machineTRUETZSCHLER & CO·Filed 1988·Granted Jul 10, 1990·22 cites·14 claims
- 2778US6289599B1Apparatus for measuring the thickness of sliver bundle formed of a plurality of side-by-side running sliversTRUETZSCHLER GMBH & CO KG·Filed 1998·Granted Sep 18, 2001·25 cites·20 claims
- 2878US5692267AApparatus for recognizing impurities of fiber material during processing in a textile machine and methodTRUETZSCHLER & CO·Filed 1996·Granted Dec 2, 1997·28 cites·24 claims
- 2978US4344843AApparatus and method for separating debris from textile fiber tuftsTRUETZSCHLER & CO·Filed 1981·Granted Aug 17, 1982·18 cites·13 claims
- 3078US4213553AWeb guiding deviceTRUETZSCHLER & CO·Filed 1978·Granted Jul 22, 1980·16 cites·10 claims
- 3177US5406679AWeb guiding and supporting device at the outlet of a carding machineTRUETZSCHLER GMBH & CO KG·Filed 1993·Granted Apr 18, 1995·9 cites·39 claims
- 3277US4441994AApparatus for separating foreign bodies from fiber tuftsTRUETZSCHLER & CO·Filed 1982·Granted Apr 10, 1984·18 cites·13 claims
- 3375US5560179AApparatus for handling flat coiler cans before, during and after filling by a sliver producing textile processing machineTRUETZSCHLER & CO·Filed 1995·Granted Oct 1, 1996·23 cites·9 claims
- 3475US5205018AApparatus for making a lap from textile fibersTRUETZSCHLER GMBH & CO KG·Filed 1990·Granted Apr 27, 1993·29 cites·6 claims
- 3575US4805268ASeparating knife assembly for a carding machine or the likeTRUETZSCHLER & CO·Filed 1987·Granted Feb 21, 1989·18 cites·11 claims
- 3674US5303455AApparatus for making a fiber lapTRUETZSCHLER GMBH & CO KG·Filed 1991·Granted Apr 19, 1994·21 cites·10 claims
- 3774US3997928AMethod for the treatment of textile, fleece and similar websKUESTERS EDUARD·Filed 1975·Granted Dec 21, 1976·10 cites·10 claims
- 3873US5918349ACarding machine including a device for adjusting the distance between flat bars and carding cylinderTRUETZSCHLER GMBH & CO KG·Filed 1997·Granted Jul 6, 1999·27 cites·21 claims
- 3973US5398381AMeasuring clothing clearances directly at the facing pointsTRUEZSCHLER GMBH & CO KG·Filed 1993·Granted Mar 21, 1995·20 cites·15 claims
- 4073US5255415AIntegral common duct with suction hoods for waste removalTRUETZSCHLER GMBH & CO KG·Filed 1991·Granted Oct 26, 1993·20 cites·16 claims
- 4173US5146652AApparatus for opening and cleaning fiber materialTRUETZSCHLER & CO·Filed 1991·Granted Sep 15, 1992·20 cites·10 claims
- 4272US5737806AApparatus for treating fiber and producing a fiber lap therefromTRUETZSCHLER & CO·Filed 1996·Granted Apr 14, 1998·22 cites·8 claims
- 4372US5642553AImaging apparatus for scanning a clothed roll in a fiber processing machine and methodTRUETZSCHLER & CO·Filed 1996·Granted Jul 1, 1997·21 cites·18 claims
- 4472US5619772ASliver guide assembly including a thickness sensor and a movable counterelementTRUETZSCHLER & CO·Filed 1995·Granted Apr 15, 1997·9 cites·5 claims
- 4572US4987646AMethod and apparatus for operating a fiber tuft feederTRUETZSCHLER & CO·Filed 1990·Granted Jan 29, 1991·19 cites·11 claims
- 4671US6085390ADevice for adjusting the distance between a roll and a stationary carding segment in a fiber processing machineTRUETZSCHLER GMBH & CO KG·Filed 1999·Granted Jul 11, 2000·19 cites·20 claims
- 4771US5575040AApparatus for controlling sliver deposition in a coiler canTRUETZSCHLER & CO·Filed 1995·Granted Nov 19, 1996·23 cites·11 claims
- 4871US5491877AApparatus for vertically displacing a shiftable bottom of a coiler canTRUETZSCHLER GMBH & CO KG·Filed 1995·Granted Feb 20, 1996·17 cites·3 claims
- 4971US5479679AFiber batt feeding apparatus for a fiber processing machineTRUETZSCHLER GMBH & CO KG·Filed 1993·Granted Jan 2, 1996·16 cites·11 claims
- 5071US5121522AHumidity and temperature air conditioning in a textile processing lineTRUETZSCHLER & CO·Filed 1990·Granted Jun 16, 1992·24 cites·13 claims
Showing the top 50 of 153 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →