Assignee
KCL CORP
US31 patents
Top patents by PatentIndex Score
US5956924ASep 28, 1999
Method and apparatus for placing a product in a flexible recloseable container
KCL CORP205 citations99
US4620320AOct 28, 1986
Substantially leakproof zipper closure for bags and method
KCL CORP165 citations99
US5956815ASep 28, 1999
Slider zipper recloseable fastener
KCL CORP136 citations98
US5871281AFeb 16, 1999
Zipper slider pivoting wedge
KCL CORP175 citations98
US5564259AOct 15, 1996
Method and apparatus for resealable closure addition to form, fill and seal bag
KCL CORP177 citations98
US4892512AJan 9, 1990
Method of making reclosable flexible containers having fastener profiles affixed to exterior of bag walls
KCL CORP134 citations98
US5561966AOct 8, 1996
Apparatus and method for manufacturing flexible reclosable containers
KCL CORP165 citations97
US5417035AMay 23, 1995
Apparatus and method for manufacture flexible reclosable containers
KCL CORP146 citations97
US4787755ANov 29, 1988
Reclosable flexible container having fastener profiles sealed at their ends to the outside of the bag
KCL CORP121 citations96
US4971454ANov 20, 1990
Reclosable bag having a top closure attached to a bag body composed of multiple thermoplastic layers
KCL CORP99 citations95
US4964739AOct 23, 1990
Flexible container having tamper evident closure
KCL CORP79 citations95
US4927271AMay 22, 1990
Recloseable tamper evident bag with hooded closure
KCL CORP64 citations95
US4796300AJan 3, 1989
Reclosable flexible container having interior and exterior closure elements interlocked on the container walls
KCL CORP97 citations95
US4758099AJul 19, 1988
Flexible container having resealable closure
KCL CORP58 citations95
US4756628AJul 12, 1988
Reclosable flexible container having a downwardly depending cuff
KCL CORP51 citations95
US4241865ADec 30, 1980
Reclosable shipping sack and method
KCL CORP151 citations95
US4262581AApr 21, 1981
Method and apparatus for making printed gusset bags
KCL CORP59 citations94
US4637063AJan 13, 1987
Reclosable bag with sealed laminated liner and method
KCL CORP180 citations93
US4415386ANov 15, 1983
Method and apparatus for assembling and attaching zipper closure strips to sacks
KCL CORP72 citations92
US5417495AMay 23, 1995
Reclosable bag
KCL CORP39 citations91
US5155967AOct 20, 1992
Automated bag manufacturing and packaging system
KCL CORP24 citations91
US5059033AOct 22, 1991
Detachable handle for shipping sacks
KCL CORP24 citations91
US5035517AJul 30, 1991
Reclosable shipping sack
KCL CORP46 citations91
US4902140AFeb 20, 1990
Detachable handle for shipping sacks
KCL CORP37 citations91
US4863286ASep 5, 1989
Recloseable bag with pivotable fastener profiles
KCL CORP39 citations91
US4941196AJul 10, 1990
Tamper evident bag
KCL CORP65 citations90
US5407277AApr 18, 1995
Tamper evident bag with auxiliary bag
KCL CORP47 citations86
US4534752AAug 13, 1985
Apparatus and method for securing top ends of sack gussets
KCL CORP40 citations86
USD402543SDec 15, 1998
Waste bag
KCL CORP11 citations74
US5873969AFeb 23, 1999
Method and apparatus for opening a zipper after it has been spot sealed
KCL CORP10 citations73
US5657943AAug 19, 1997
Flexible bag winding and unwinding apparatus
KCL CORP3 citations45