Assignee
WILL E C H GMBH & CO
DE·88 granted patents·5 pending applications·1,378 citations·filing 1977–2009
Top patents by PatentIndex Score
93 records- 0190US4572350AApparatus for diverting stacks of sheets in paper processing machinesWILL E C H GMBH & CO·Filed 1984·Granted Feb 25, 1986·43 cites·35 claims
- 0288US4807739AMethod of and apparatus for transporting and turning stacks of paper sheetsWILL E C H GMBH & CO·Filed 1987·Granted Feb 28, 1989·58 cites·22 claims
- 0388US4484501AApparatus for cutting and trimming paper sheets or the likeWILL E C H GMBH & CO·Filed 1982·Granted Nov 27, 1984·51 cites·19 claims
- 0488US4385537AApparatus for engaging and transporting discrete sheets of paper or the likeWILL E C H GMBH & CO·Filed 1981·Granted May 31, 1983·50 cites·19 claims
- 0587US4765790AApparatus for accumulating stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1987·Granted Aug 23, 1988·35 cites·14 claims
- 0686US4708332AMethod and apparatus for zig-zag folding webs of paper and the likeWILL E C H GMBH & CO·Filed 1986·Granted Nov 24, 1987·30 cites·20 claims
- 0785US4842573AApparatus for forming stacks of panels in zig-zag formationWILL E C H GMBH & CO·Filed 1988·Granted Jun 27, 1989·34 cites·24 claims
- 0884US4901842AApparatus for turning stacks and conveyors thereforWILL E C H GMBH & CO·Filed 1988·Granted Feb 20, 1990·39 cites·13 claims
- 0984US4717013AApparatus for transporting layers of paper sheets to processing machinesWILL E C H GMBH & CO·Filed 1986·Granted Jan 5, 1988·29 cites·8 claims
- 1084US4518075AApparatus for gathering and singularizing stacks of paper sheets or the likeWILL E C H GMBH & CO·Filed 1982·Granted May 21, 1985·37 cites·21 claims
- 1183US6481952B2Method of and apparatus for accumulating successive stacks of superimposed sheetsWILL E C H GMBH & CO·Filed 2001·Granted Nov 19, 2002·25 cites·25 claims
- 1282US5004094AApparatus for transporting stacks of paper sheets to processing machinesWILL E C H GMBH & CO·Filed 1987·Granted Apr 2, 1991·39 cites·22 claims
- 1382US4842125AApparatus for transporting stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1988·Granted Jun 27, 1989·26 cites·14 claims
- 1481US4297066APaper sheet layer forming and transferring arrangementWILL E C H GMBH & CO·Filed 1979·Granted Oct 27, 1981·26 cites·8 claims
- 1578US4364552AMethod and apparatus for forming a stream of partially overlapping paper sheets or the likeWILL E C H GMBH & CO·Filed 1980·Granted Dec 21, 1982·32 cites·7 claims
- 1677US4548404AMethod and apparatus for forming a stream of partly overlapping paper sheetsWILL E C H GMBH & CO·Filed 1984·Granted Oct 22, 1985·28 cites·15 claims
- 1776US4502592AApparatus for intermittently transporting stacks of paper sheets or the likeWILL E C H GMBH & CO·Filed 1982·Granted Mar 5, 1985·22 cites·19 claims
- 1876US4437560AApparatus for changing the direction of transport of paper stacks or the likeWILL E C H GMBH & CO·Filed 1982·Granted Mar 20, 1984·25 cites·25 claims
- 1976US4257299AMeans for moving a rotary knife in apparatus for cutting paper sheets or the likeWILL E C H GMBH & CO·Filed 1979·Granted Mar 24, 1981·27 cites·10 claims
- 2073US4878659AMethod of and apparatus for gathering and manipulating stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1987·Granted Nov 7, 1989·18 cites·37 claims
- 2173US4629058AMethod and apparatus for transporting layers of paper sheets to processing machinesWILL E C H GMBH & CO·Filed 1984·Granted Dec 16, 1986·21 cites·7 claims
- 2273US4257298AApparatus for cutting paper sheets or the likeWILL E C H GMBH & CO·Filed 1979·Granted Mar 24, 1981·23 cites·10 claims
- 2372US5295775AMethod of and apparatus for making booksWILL E C H GMBH & CO·Filed 1992·Granted Mar 22, 1994·39 cites·32 claims
- 2469US5417535AMethod of and apparatus for making books, brochures and the likeWILL E C H GMBH & CO·Filed 1993·Granted May 23, 1995·32 cites·27 claims
- 2566US7905445B2Unwinding device for winding drumWILL E C H GMBH & CO·Filed 2008·Granted Mar 15, 2011·4 cites·17 claims
- 2665US4508210AApparatus for transporting paper stacks or the likeWILL E C H GMBH & CO·Filed 1982·Granted Apr 2, 1985·17 cites·12 claims
- 2764US4387890AApparatus for changing the orientation of stacked paper sheets or the likeWILL E C H GMBH & CO·Filed 1981·Granted Jun 14, 1983·20 cites·14 claims
- 2863US5247865AApparatus for subdividing running paper webs into narrower websWILL E C H GMBH & CO·Filed 1992·Granted Sep 28, 1993·22 cites·17 claims
- 2962US4765791AApparatus for expelling air from stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1986·Granted Aug 23, 1988·14 cites·13 claims
- 3062US4500241AMachine for making ruled pads or the likeWILL E C H GMBH & CO·Filed 1982·Granted Feb 19, 1985·17 cites·25 claims
- 3160US5162036AApparatus for moving apart successive webs of a series of webs having sections in zig-zag formationWILL E C H GMBH & CO·Filed 1991·Granted Nov 10, 1992·14 cites·13 claims
- 3260US5161442AApparatus for cross cutting running websWILL E C H GMBH & CO·Filed 1991·Granted Nov 10, 1992·24 cites·7 claims
- 3360US4854932AMethod of and apparatus for gathering and manipulating stacked zig-zag formations of paper sheetsWILL E C H GMBH & CO·Filed 1987·Granted Aug 8, 1989·13 cites·30 claims
- 3460US4743319AMethod of and apparatus for making self sticking note padsWILL E C H GMBH & CO·Filed 1986·Granted May 10, 1988·18 cites·15 claims
- 3560US4586315AApparatus for introducing stacks of paper layers into cartonsWILL E C H GMBH & CO·Filed 1984·Granted May 6, 1986·18 cites·13 claims
- 3659US6527501B2Apparatus for accumulating and transporting stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1999·Granted Mar 4, 2003·13 cites·13 claims
- 3757US7059598B2Conveying arrangement for sheet quires and method for combining sheet quiresWILL E C H GMBH & CO·Filed 2002·Granted Jun 13, 2006·6 cites·26 claims
- 3857US4095623AApparatus for severing and deforming the ends of helical binders for pads or the likeWILL E C H GMBH & CO·Filed 1977·Granted Jun 20, 1978·12 cites·18 claims
- 3956US6364312B1Method and arrangement for removing air inclusions when forming stacks from sheetsWILL E C H GMBH & CO·Filed 2000·Granted Apr 2, 2002·5 cites·23 claims
- 4056US6338482B1Apparatus for converting a file of successive sheets into a stream of partially overlapping sheetsWILL E C H GMBH & CO·Filed 1999·Granted Jan 15, 2002·14 cites·33 claims
- 4155US4403899AApparatus for gathering writing pads or the likeWILL E C H GMBH & CO·Filed 1981·Granted Sep 13, 1983·14 cites·37 claims
- 4255US4392402AApparatus for severing running paper webs or the likeWILL E C H GMBH & CO·Filed 1981·Granted Jul 12, 1983·16 cites·12 claims
- 4354US7651089B2Method and device for forming stacks of flat elementsWILL E C H GMBH & CO·Filed 2007·Granted Jan 26, 2010·2 cites·35 claims
- 4454US7222722B2Apparatus and method for conveying objects transverselyWILL E C H GMBH & CO·Filed 2004·Granted May 29, 2007·8 cites·41 claims
- 4554US5233815AApparatus for manipulating stacks of paper sheets and the likeWILL E C H GMBH & CO·Filed 1992·Granted Aug 10, 1993·11 cites·11 claims
- 4654US5072638AApparatus for severing and dedusting webs of paper or the likeWILL E C H GMBH & CO·Filed 1990·Granted Dec 17, 1991·18 cites·10 claims
- 4754US4603768AApparatus for transporting paper stacksWILL E C H GMBH & CO·Filed 1984·Granted Aug 5, 1986·13 cites·17 claims
- 4853US5397120AApparatus for stacking sheetsWILL E C H GMBH & CO·Filed 1994·Granted Mar 14, 1995·12 cites·11 claims
- 4953US5363730AApparatus for manipulating sheets or webs of paperWILL E C H GMBH & CO·Filed 1992·Granted Nov 15, 1994·13 cites·7 claims
- 5053US4977788AApparatus for adjusting the positions of components in machinesWILL E C H GMBH & CO·Filed 1989·Granted Dec 18, 1990·13 cites·17 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →