Assignee
CMD CORP
US57 patents
Top patents by PatentIndex Score
US6481183B1Nov 19, 2002
Vertical form fill seal bag with recloseable seal and method of making thereof
CMD CORP182 citations99
US8029428B2Oct 4, 2011
Method and apparatus for making skirtless seals
CMD CORP47 citations97
US6817160B2Nov 16, 2004
Vertical form fill seal bag with recloseable seal and method of making thereof
CMD CORP70 citations96
US5390875AFeb 21, 1995
Method and apparatus for interleaving plastic bags
CMD CORP61 citations95
US7445590B2Nov 4, 2008
Method and apparatus for making bags
CMD CORP35 citations94
US5587032ADec 24, 1996
Method and apparatus for registration of a seal on a plastic bag
CMD CORP67 citations94
US5979729ANov 9, 1999
Separating a web at a line of weakness
CMD CORP23 citations92
US5934534AAug 10, 1999
Separating a web at a line of weakness
CMD CORP19 citations92
US8012076B2Sep 6, 2011
Method and apparatus for making bags
CMD CORP11 citations91
US5518559AMay 21, 1996
Method and apparatus for registration of a seal on a plastic bag
CMD CORP69 citations91
US6820392B2Nov 23, 2004
Apparatus for processing continuously fed elongate material
CMD CORP19 citations90
US6519922B1Feb 18, 2003
Device for the production of tubular bags
CMD CORP32 citations90
US5857953AJan 12, 1999
Draw tape machines
CMD CORP21 citations90
US5701180ADec 23, 1997
Apparatus and method for detecting a formation in a sheet material
CMD CORP21 citations90
US5660674AAug 26, 1997
Method and apparatus for registration of a seal and perforation on a plastic bag
CMD CORP34 citations90
US5488480AJan 30, 1996
Apparatus and method for detecting a heat seal in a moving plastic film
CMD CORP21 citations90
US7275354B2Oct 2, 2007
Vertical form, fill and seal packaging system
CMD CORP25 citations89
US6117058ASep 12, 2000
Bag making machine
CMD CORP70 citations89
US5861078AJan 19, 1999
Method and apparatus for detecting a seal on a plastic bag
CMD CORP34 citations89
US7191575B2Mar 20, 2007
Vertical pouch machine
CMD CORP16 citations87
US6746389B2Jun 8, 2004
Method and apparatus for folding or separating bags
CMD CORP28 citations87
US7578779B2Aug 25, 2009
Bag machine and winder
CMD CORP14 citations84
US6186436B1Feb 13, 2001
Bag winder and method thereof
CMD CORP50 citations84
US6792807B2Sep 21, 2004
Method and apparatus for sensing a seal on a film
CMD CORP25 citations83
US5899403AMay 4, 1999
Method and apparatus for winding bags onto a spindle
CMD CORP18 citations83
US6889481B2May 10, 2005
Apparatus for processing continuously fed elongate material
CMD CORP12 citations82
US5964389AOct 12, 1999
Separating a web at a line of weakness
CMD CORP14 citations82
US7322169B2Jan 29, 2008
Vertical, form, fill and seal packaging system
CMD CORP18 citations81
US5797828AAug 25, 1998
Draw tape machines and methods
CMD CORP19 citations81
US10946591B2Mar 16, 2021
Method and apparatus for making bag using ultrasonic sealing
CMD CORP6 citations79
US7326162B2Feb 5, 2008
Bag making machine
CMD CORP11 citations77
US6976946B2Dec 20, 2005
Modular pouch machine
CMD CORP13 citations76
US5961020AOct 5, 1999
Separating a web at a line of weakness
CMD CORP10 citations73
US12496797B2Dec 16, 2025
Bag making machines and methods thereof
CMD CORP1 citations71
US7213384B2May 8, 2007
Device for the production of tubular bags
CMD CORP6 citations71
US7069709B2Jul 4, 2006
Device for the production of tubular bags
CMD CORP7 citations71
US12179452B2Dec 31, 2024
Method and apparatus for pouch making
CMD CORP2 citations68
US9254632B2Feb 9, 2016
Method and apparatus for making sealed pouches
CMD CORP4 citations67
US10718468B2Jul 21, 2020
Method and apparatus for dispensing gaseous fuel to a vehicle
CMD CORP4 citations66
US11752727B2Sep 12, 2023
Method and apparatus for making bags
CMD CORP0 citations61
US10933604B2Mar 2, 2021
Method and apparatus for making bags
CMD CORP0 citations61
US7325379B2Feb 5, 2008
Pleat adjustment in vertical, form, film and seal packaging system and method
CMD CORP6 citations60
US12485637B2Dec 2, 2025
Bag making machines and methods thereof
CMD CORP0 citations59
US12280560B2Apr 22, 2025
Bag making machines and methods thereof
CMD CORP0 citations59
US12179453B2Dec 31, 2024
Method and apparatus for pouch or bag making
CMD CORP0 citations58
US11752703B2Sep 12, 2023
Method and apparatus for making bag using ultrasonic sealing
CMD CORP0 citations58
US11529767B2Dec 20, 2022
Method and apparatus for controlling air temperature for making seals
CMD CORP0 citations58
US11220081B2Jan 11, 2022
Method and apparatus for pouch or bag making
CMD CORP0 citations58
US10981338B2Apr 20, 2021
Method of controlling air temperature for making seals
CMD CORP1 citations58
US7811219B2Oct 12, 2010
Method and apparatus for making bags
CMD CORP5 citations57
Showing the top 50 of 57 patents by PatentIndex Score.