Inventor · disambiguated record
Clifton R. Howell
Also filed as: HOWELL CLIFTON · HOWELL CLIFTON R · HOWELL CLIFTON RONALD
19 granted patents·20 pending applications·93 citations·filing 2001–2025
93Inventor score
Top patents by PatentIndex Score
39 records- 0191US12415653B2Reclosable bag having a repulpable zipperILLINOIS TOOL WORKS·Filed 2022·Granted Sep 16, 2025·2 cites·18 claims
- 0287US7311647B2Methods for sensing features on moving fastener tape during automated productionILLINOIS TOOL WORKS·Filed 2005·Granted Dec 25, 2007·14 cites·17 claims
- 0386US6397768B1Mattress border production systemFiled 2001·Granted Jun 4, 2002·20 cites·19 claims
- 0485US11214416B2Bubble valve for flexible packagingILLINOIS TOOL WORKS·Filed 2017·Granted Jan 4, 2022·4 cites·20 claims
- 0583US10065770B2Carton with plastic reclosable headerHOWELL CLIFTON·Filed 2010·Granted Sep 4, 2018·12 cites·55 claims
- 0682US7621105B2Method of producing high burst zipper assemblies for large reclosable packagesILLINOIS TOOL WORKS·Filed 2007·Granted Nov 24, 2009·12 cites·22 claims
- 0780US2025344815A1Zipper assemblies having non-common materialILLINOIS TOOL WORKS·Filed 2025·Application pending·0 cites
- 0880US2025344814A1Zipper assemblies having non-common materialILLINOIS TOOL WORKS·Filed 2025·Application pending·0 cites
- 0979US7172545B2Registration of intermittently moved fastener tape with continuously moving webILLINOIS TOOL WORKS·Filed 2005·Granted Feb 6, 2007·8 cites·16 claims
- 1078US12396525B2Zipper assemblies having post-consumer recyclate materialILLINOIS TOOL WORKS·Filed 2023·Granted Aug 26, 2025·0 cites·11 claims
- 1175US7909750B2Method and apparatus for feeding large packages or bags into a reclosable zipper profile attaching deviceILLINOIS TOOL WORKS·Filed 2007·Granted Mar 22, 2011·6 cites·20 claims
- 1272US7882684B2Method of producing high burst zipper assemblies for large reclosable packagesILLINOIS TOOL WORKS·Filed 2009·Granted Feb 8, 2011·3 cites·37 claims
- 1368US2025127268A1Zipper assembly for reclosable enclosureILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 1468US2025368397A1Reclosable bag having a repulpable zipperILLINOIS TOOL WORKS·Filed 2025·Application pending·0 cites
- 1563US12207709B2Zipper assembly for reclosable enclosureILLINOIS TOOL WORKS·Filed 2023·Granted Jan 28, 2025·0 cites·18 claims
- 1663US9498928B2Forming conveyor for a cartonMCCRACKEN KENNY E·Filed 2012·Granted Nov 22, 2016·1 cites·16 claims
- 1763US2025368396A1Bag assembly having a front panel zipper assembly and tear stripILLINOIS TOOL WORKS·Filed 2025·Application pending·0 cites
- 1861US7513858B2Registration of intermittently moved fastener tape with continuously moving webILLINOIS TOOL WORKS·Filed 2007·Granted Apr 7, 2009·5 cites·15 claims
- 1961US2024308746A1Flexible enclosure having a tear stripILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 2060US2024270448A1Zipper assembly and method of manufacturing the sameILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 2159US2009052812A1Various gusset seals or treatments for reclosable packagesILLINOIS TOOL WORKS·Filed 2008·Application pending·0 cites
- 2258US2009129707A1Reclosable package with zipper and slider in the fin sealILLINOIS TOOL WORKS·Filed 2007·Application pending·0 cites
- 2357US2008267539A1Sealing gussets together through apertures in multi-wall paper and woven polypropylene packages or bagsILLINOIS TOOL WORKS·Filed 2007·Application pending·0 cites
- 2457US2008108488A1Methods for sensing features on moving fastener tape during automated productionDELISLE VICTOR·Filed 2008·Application pending·0 cites
- 2555US8117804B2Method of producing high burst zipper assemblies for large reclosable packagesANZINI DAVID J·Filed 2009·Granted Feb 21, 2012·0 cites·21 claims
- 2654US7303518B2Registration of intermittently moved fastener tape with continuously moving webILLINOIS TOOL WORKS·Filed 2007·Granted Dec 4, 2007·0 cites·10 claims
- 2754US2007284050A1Method and apparatus for hermetically sealing a zipper into a reclosable packageILLINOIS TOOL WORKS·Filed 2006·Application pending·0 cites
- 2852US2009038161A1Device for cutting continuously moving zipperILLINOIS TOOL WORKS·Filed 2007·Application pending·0 cites
- 2952US2006285777A1Reclosable packages with two-dimensional zipper attachementHOWELL CLIFTON R·Filed 2005·Application pending·0 cites
- 3050US2009097785A1Method of producing a hermetic reclosable package using seal bars with non-parallel geometryILLINOIS TOOL WORKS·Filed 2007·Application pending·0 cites
- 3150US2014263597A1Carton with plastic reclosable headerHOWELL CLIFTON·Filed 2014·Application pending·0 cites
- 3250US2014263598A1Carton with plastic reclosable headerHOWELL CLIFTON·Filed 2014·Application pending·0 cites
- 3349USD727205SEnd clip for a plastic zipper or closureILLINOIS TOOL WORKS·Filed 2014·Granted Apr 21, 2015·6 cites·1 claims
- 3449US2008134632A1Method of registering zipper for reclosable packageILLINOIS TOOL WORKS·Filed 2006·Application pending·0 cites
- 3547US11858693B2Hinged zipper assembly of a resealable enclosureILLINOIS TOOL WORKS·Filed 2021·Granted Jan 2, 2024·0 cites·14 claims
- 3646US2010122892A1Registration method for multiwall paper and woven packagesILLINOIS TOOL WORKS·Filed 2009·Application pending·0 cites
- 3744US7674220B2Method and apparatus for applying hot-melt adhesive to zipper flanges and applying zipper to packagesILLINOIS TOOL WORKS·Filed 2007·Granted Mar 9, 2010·0 cites·16 claims
- 3842US2006252621A1Method and apparatus for zipper registration brakingHOWELL CLIFTON R·Filed 2005·Application pending·0 cites
- 3935US9714119B2End clip with snap on and weld installationILLINOIS TOOL WORKS·Filed 2015·Granted Jul 25, 2017·0 cites·4 claims
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