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Assembling or block-forming of bags Loading bags on a mandrel
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CPC
B31B2219/929
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B31
Paper goods
B31B
MAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD
B31B2219/00
Specific operations carried out during bag making
Current Industry
B31B2219/929
Assembling or block-forming of bags Loading bags on a mandrel
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Patents Grants
last 30 patents
Information
Patent Grant
Self opening bag pack, apparatus and method of making same
Patent number
8,915,372
Issue date
Dec 23, 2014
Gregorio Lim Tan
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Square bottomed plastic bag stack and method of making same
Patent number
7,175,583
Issue date
Feb 13, 2007
Frank Su
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for bonding several layers of plastic film
Patent number
7,022,197
Issue date
Apr 4, 2006
Huhtamaki Forcheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG
Stefan Sitzmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Square bottomed plastic bag stack and method of making same
Patent number
6,942,100
Issue date
Sep 13, 2005
Frank Su
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Foil bag stacks, and method and device for producing such bags
Patent number
6,609,613
Issue date
Aug 26, 2003
Lemo Maschinenbau GmbH
Jakob Schneider
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and device for interlocking stackwise plastic bags, especial...
Patent number
6,575,219
Issue date
Jun 10, 2003
Lemo Maschinenbau GmbH
Peter Schulze
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing bags
Patent number
6,453,646
Issue date
Sep 24, 2002
Lemo Maschinenbau GmbH
Jakob Schneider
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tabless self-opening bag pack
Patent number
6,446,810
Issue date
Sep 10, 2002
Durabag Co., Inc.
Daniel C. Huang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Self-opening bag stack and method of producing same
Patent number
6,142,302
Issue date
Nov 7, 2000
Better Bags, Inc.
Eduardo A. Requena
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Bag-making apparatus
Patent number
5,947,882
Issue date
Sep 7, 1999
Lemo Maschinenbau GmbH
Armin Meyer
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
System and method for making plastic film bags with headers, open m...
Patent number
5,860,905
Issue date
Jan 19, 1999
Edward C. Bruno
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Wicketless plastic bag pack with tapered weld hole
Patent number
5,526,934
Issue date
Jun 18, 1996
Huntsman Packaging Corporation
Gordon F. Pickering
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Wicketless saddle pack of plastic bags
Patent number
5,495,946
Issue date
Mar 5, 1996
Huntsman Packaging Corp.
Gordon F. Pickering
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ready to load bag pack, method of forming and system
Patent number
5,484,376
Issue date
Jan 16, 1996
Mobil Oil Corporation
Randolph D. Prader
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process of making blocks of bags
Patent number
5,244,450
Issue date
Sep 14, 1993
Windmoller and Holscher
Uwe Koehn
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Nested plastic bags and method of manufacture
Patent number
5,113,637
Issue date
May 19, 1992
Edward S. Gelbard
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of forming an easy-open bag pack
Patent number
5,087,234
Issue date
Feb 11, 1992
Mobil Oil Corporation
Randolph D. Prader
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Nested plastic bags and method of manufacture
Patent number
4,989,994
Issue date
Feb 5, 1991
Edward S. Gelbard
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for stacking and possibly blocking plastic bags
Patent number
4,925,439
Issue date
May 15, 1990
Lemo M. Lehmacher & Sohm GmbH
Jakob Schneider
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Method of making bottom gusset bag pad arrangement for liquid conta...
Patent number
4,790,803
Issue date
Dec 13, 1988
TC Manufacturing Company, Inc.
Ralph M. Roen
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Machine for making unitized stacks of bags
Patent number
4,692,134
Issue date
Sep 8, 1987
Maquinas Npu Ltda.
Carlos R. dos Santos Copia
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Binder for bag pads
Patent number
4,670,083
Issue date
Jun 2, 1987
Hercules Membrino
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Method and apparatus for undoing the interconnection between stampe...
Patent number
4,589,183
Issue date
May 20, 1986
Windmoller and Holscher
Fritz Achelpohl
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Apparatus for the stacking and connection of synthetic-resin foil o...
Patent number
4,270,908
Issue date
Jun 2, 1981
Hans Lehmacher
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for severing a stack of filmlike sections and simultaneou...
Patent number
4,198,260
Issue date
Apr 15, 1980
Windmoller & Holscher
Friedhelm Mundus
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing double streams of side-welded bags in heat-wel...
Patent number
4,181,069
Issue date
Jan 1, 1980
Chase Bag Company
James F. Porter
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Apparatus for manufacture of pad stacked bags or the like
Patent number
4,128,049
Issue date
Dec 5, 1978
Hans Lehmacher
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for stacking bags
Patent number
4,062,271
Issue date
Dec 13, 1977
Georges Lagain
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Pad-stacked bags or similar packaging, and apparatus and method for...
Patent number
4,046,257
Issue date
Sep 6, 1977
Hans Lehmacher
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Automatic hot needle attachment for bag wicketer
Patent number
4,021,291
Issue date
May 3, 1977
Richard L. Joice
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Patents Applications
last 30 patents
Information
Patent Application
SELF OPENING BAG PACK, APPARATUS AND METHOD OF MAKING SAME
Publication number
20120160732
Publication date
Jun 28, 2012
Gregorio Lim Tan
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Multifold plastic grocery bags and roll
Publication number
20110075951
Publication date
Mar 31, 2011
Inteplast Group, Ltd.
Ben Tseng
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Self opening bag pack, apparatus and method of making same
Publication number
20080035522
Publication date
Feb 14, 2008
Gregorio Lim Tan
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Square bottomed plastic bag and method of making same
Publication number
20060120635
Publication date
Jun 8, 2006
Frank Su
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Square bottomed plastic bag stack and method of making same
Publication number
20050181923
Publication date
Aug 18, 2005
Frank Su
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
SQUARE BOTTOMED PLASTIC BAG STACK AND METHOD OF MAKING SAME
Publication number
20050139508
Publication date
Jun 30, 2005
Frank Su
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Process for bonding several layers of plastic film
Publication number
20030173016
Publication date
Sep 18, 2003
Huhtamaki Forchheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co KG
Stefan Sitzmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Tabless self-opening bag pack
Publication number
20020074260
Publication date
Jun 20, 2002
Daniel C. Huang
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Foil bag stacks, and method and device for producing such bags
Publication number
20020014433
Publication date
Feb 7, 2002
LEMO MASCHINENBAU GMBH
Jakob Schneider
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD