Assignee
WINDMOELLER & HOELSCHER
DE·553 granted patents·50 pending applications·5,450 citations·filing 1973–2024
Top patents by PatentIndex Score
603 records- 0198US4452597AMethod and apparatus for forming stacks of sacksWINDMOELLER & HOELSCHER·Filed 1982·Granted Jun 5, 1984·86 cites·19 claims
- 0294US6401439B1Device for manufacturing, filling and sealing sacksWINDMOELLER & HOELSCHER·Filed 2000·Granted Jun 11, 2002·53 cites·7 claims
- 0394US4781090AApparatus for severing sections from a web by transverse severing cuts at locations related to printed marks on the webWINDMOELLER & HOELSCHER·Filed 1986·Granted Nov 1, 1988·90 cites·3 claims
- 0492US5549044APrinting press including a mechanism for exchanging cylindersWINDMOELLER & HOELSCHER·Filed 1995·Granted Aug 27, 1996·37 cites·6 claims
- 0592US4896600APrinting machineWINDMOELLER & HOELSCHER·Filed 1988·Granted Jan 30, 1990·42 cites·14 claims
- 0692US4759742AProcess of making T-shirt bagsWINDMOELLER & HOELSCHER·Filed 1987·Granted Jul 26, 1988·67 cites·2 claims
- 0791US5437417ADevice for winding a webWINDMOELLER & HOELSCHER·Filed 1993·Granted Aug 1, 1995·46 cites·4 claims
- 0891US4162602AMethod and apparatus for filling and closing large sacksWINDMOELLER & HOELSCHER·Filed 1977·Granted Jul 31, 1979·53 cites·6 claims
- 0991US3988019AApparatus for depositing flat articles fed between beltsWINDMOELLER & HOELSCHER·Filed 1975·Granted Oct 26, 1976·36 cites·9 claims
- 1089US11123909B2Apparatus for producing films stretched in-lineWINDMOELLER & HOELSCHER·Filed 2020·Granted Sep 21, 2021·2 cites·23 claims
- 1189US7877966B2Machine for forming, filling and closing bags with a bag lifting deviceWINDMOELLER & HOELSCHER·Filed 2005·Granted Feb 1, 2011·28 cites·20 claims
- 1289US6634297B2Device and process for setting the printed image in a flexographic pressWINDMOELLER & HOELSCHER·Filed 2002·Granted Oct 21, 2003·61 cites·17 claims
- 1389US4413560AFlexographic printing pressWINDMOELLER & HOELSCHER·Filed 1980·Granted Nov 8, 1983·34 cites·2 claims
- 1488US11738494B2Method for automatically regulating the size of a slot of a nozzle assembly and control and/or regulation systemWINDMOELLER & HOELSCHER·Filed 2019·Granted Aug 29, 2023·5 cites·13 claims
- 1587US5127450AMethod and apparatus for regulating the level of a mixture of flowable material in a containerWINDMOELLER & HOELSCHER·Filed 1991·Granted Jul 7, 1992·70 cites·6 claims
- 1687US5125339AApparatus for displacing shaft-mounting bearing standsWINDMOELLER & HOELSCHER·Filed 1991·Granted Jun 30, 1992·31 cites·6 claims
- 1787US4246212AMethod and apparatus for optimizing the output of a blown film extruder plant by means of a process computerWINDMOELLER & HOELSCHER·Filed 1979·Granted Jan 20, 1981·57 cites·17 claims
- 1887US4114520AApparatus for making bags from a continuously fed thermoplastic tubular web of filmWINDMOELLER & HOELSCHER·Filed 1977·Granted Sep 19, 1978·34 cites·5 claims
- 1986US4541982AProcess and apparatus for forming and rearranging partial streams of molten materials processed in an extruder for making thermoplastic and/or elastomeric productsWINDMOELLER & HOELSCHER·Filed 1983·Granted Sep 17, 1985·44 cites·15 claims
- 2086US4216705AApparatus for making carrier bags from two half-tubes running side-by-sideWINDMOELLER & HOELSCHER·Filed 1978·Granted Aug 12, 1980·33 cites·7 claims
- 2185US5934602ADevice for winding web-shaped materialWINDMOELLER & HOELSCHER·Filed 1998·Granted Aug 10, 1999·47 cites·8 claims
- 2285US4566131AValved bagWINDMOELLER & HOELSCHER·Filed 1984·Granted Jan 21, 1986·27 cites·6 claims
- 2384US9840073B2Drying device, system comprising a drying device and method for operating a drying device for drying between inking units of a printing machineWINDMOELLER & HOELSCHER·Filed 2013·Granted Dec 12, 2017·4 cites·20 claims
- 2484US6460317B1Device for manufacturing and preferably also for filling and sealing thermoplastic sacksWINDMOELLER & HOELSCHER·Filed 2000·Granted Oct 8, 2002·24 cites·20 claims
- 2584US5787811AFlexographic printing pressWINDMOELLER & HOELSCHER·Filed 1997·Granted Aug 4, 1998·27 cites·4 claims
- 2684US4796499AApparatus for stacking and delivering flat articles, such as double bags made of plastic filmWINDMOELLER & HOELSCHER·Filed 1987·Granted Jan 10, 1989·28 cites·9 claims
- 2783US9789680B2Method for adjusting the print repeat length of a print image in a multicolor rotary printing machineWINDMOELLER & HOELSCHER·Filed 2013·Granted Oct 17, 2017·4 cites·10 claims
- 2883US7966935B2Registering methodWINDMOELLER & HOELSCHER·Filed 2006·Granted Jun 28, 2011·4 cites·21 claims
- 2983US7770362B2Method and device for producing and filling sacksWINDMOELLER & HOELSCHER·Filed 2005·Granted Aug 10, 2010·11 cites·14 claims
- 3083US6832551B2End sealing of the doctor blade chamberWINDMOELLER & HOELSCHER·Filed 2002·Granted Dec 21, 2004·16 cites·15 claims
- 3183US6443617B2Resealable sack or bagWINDMOELLER & HOELSCHER·Filed 2001·Granted Sep 3, 2002·32 cites·18 claims
- 3283US5054763AApparatus for dividing a continuously conveyed stream of shingled workpiecesWINDMOELLER & HOELSCHER·Filed 1990·Granted Oct 8, 1991·29 cites·7 claims
- 3383US4642013AApparatus for stacking flat articlesWINDMOELLER & HOELSCHER·Filed 1985·Granted Feb 10, 1987·28 cites·16 claims
- 3483US4063693AApparatus for storing articles discharged at a high rate from production machinesWINDMOELLER & HOELSCHER·Filed 1976·Granted Dec 20, 1977·28 cites·7 claims
- 3582US10207448B2Method for changing a material and corresponding extrusion deviceWINDMOELLER & HOELSCHER·Filed 2013·Granted Feb 19, 2019·5 cites·13 claims
- 3682US4873815AApparatus for filling and closing sacks which are open at one endWINDMOELLER & HOELSCHER·Filed 1988·Granted Oct 17, 1989·38 cites·11 claims
- 3781US12370732B2Transporting a film tube, blown film line and method for producing a filmWINDMOELLER & HOELSCHER·Filed 2020·Granted Jul 29, 2025·2 cites·13 claims
- 3881US12157259B2Method for starting or terminating production of a film in a film manufacturing machine, film manufacturing machine and computer program productWINDMOELLER & HOELSCHER·Filed 2020·Granted Dec 3, 2024·1 cites·14 claims
- 3981US5735210ADoctor blade unit for the inking system of a rotary printing pressWINDMOELLER & HOELSCHER·Filed 1996·Granted Apr 7, 1998·25 cites·3 claims
- 4081US5005341AApparatus for filling sacksWINDMOELLER & HOELSCHER·Filed 1989·Granted Apr 9, 1991·33 cites·2 claims
- 4181US3977152AMethod and apparatus for automatically packaging flexible flat goodsWINDMOELLER & HOELSCHER·Filed 1974·Granted Aug 31, 1976·39 cites·29 claims
- 4280US6899663B2Method for producing loop handle shopping bagsWINDMOELLER & HOELSCHER·Filed 2002·Granted May 31, 2005·16 cites·18 claims
- 4380US4492609AApparatus for splicing the trailing end of a web from an exhausted supply roll to the leading end of a web from a new supply rollWINDMOELLER & HOELSCHER·Filed 1982·Granted Jan 8, 1985·30 cites·11 claims
- 4480US4268346AApparatus for making tank top bags from a web of tubular plastics film provided with side foldsWINDMOELLER & HOELSCHER·Filed 1979·Granted May 19, 1981·25 cites·8 claims
- 4579US10611054B2Overturning device for overturning molten material and purging methodWINDMOELLER & HOELSCHER·Filed 2015·Granted Apr 7, 2020·2 cites·16 claims
- 4679US9284132B2Device for turning over and conveying an objectWINDMOELLER & HOELSCHER·Filed 2014·Granted Mar 15, 2016·6 cites·26 claims
- 4779US5375396AApparatus for filling unilaterally open sacksWINDMOELLER & HOELSCHER·Filed 1993·Granted Dec 27, 1994·37 cites·4 claims
- 4879US4115978AApparatus for automatically filling and closing sacksWINDMOELLER & HOELSCHER·Filed 1977·Granted Sep 26, 1978·25 cites·11 claims
- 4978US5816163AProcess for cleaning a doctor blade device for a rinsable color inking unit of a rotary pressWINDMOELLER & HOELSCHER·Filed 1996·Granted Oct 6, 1998·23 cites·4 claims
- 5078US4650406AApparatus for forming gussets in a tubular plastic filmWINDMOELLER & HOELSCHER·Filed 1985·Granted Mar 17, 1987·42 cites·11 claims
Showing the top 50 of 603 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when WINDMOELLER & HOELSCHER files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →