U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 383/121.1 - Rigid bottom


Subclass of Class 383 - Flexible bags
Definition: Subject matter wherein the bag bottom is made of stiff,
No. of patents: 51
Last issue date: 08/28/2007


1    
NumberTitleIssue Date
7261467Flexible container bag
A flexible container bag having a pallet function. To the bottom part of a flexible container bag body (2), tubular soft fork pocket members (3) are fixed at two positions. The fork pocket member (3) has opposite end parts in the longitudinal di...
08/28/2007
7249435Device for holding a bucket of frozen chum
A device for holding a bucket of frozen chum is fabricated primarily out of flexible plastic material that is integrally formed with a toroidal sleeve there around. The toroidal sleeve has a plastic foam floatation element housed therein, so that a frozen bucket of ...
07/31/2007
7163340Folding bag construction
A folding bag has a generally rectangular parallelepiped shape with rigid lateral front and backsides and a flexible bottom panel with a diagonal slit that enables folding of the bag into a compact flat configuration. A rigid folding panel is provided on the inside ...
01/16/2007
6945442Framed soft sided carrier for tools
A collapsible bag or container includes first and second major pockets separated by a connecting web into which a metal frame is removably inserted. Alternatively, a plastic or rigid board member is substituted for the metal frame. Loops and handles project through ...
09/20/2005
6565290Carrier bag for pneumatic delivery system
A carrier for a pneumatic delivery system includes a bag-shaped body that is fabricated from a flexible material. The carrier includes a sealing plate and a weight disposed at the front of the body and an alignment ring disposed toward the rear of the bod...
05/20/2003
6478463Tool storage bag
A tool storage bag is provided for storing tools and accessories at a work site. The tool storage bag has straps that allow for even distribution of the load during transit. The bag also includes a wear-resistant pocket design and a reinforced bottom cons...
11/12/2002
6447165Shipping container that can be stiffened
The invention relates to a flexible shipping container (10) for bulk material, comprising a carrying bag (1) having a bottom (3) with at least one pocket (2.1, 2.2, 2.3) or flap (27) attached to it, such that a flat stiffening element can be inserted betw...
09/10/2002
6248296Disposable beaker sheath
A method and apparatus maintains a level of sterilization during medical procedures operative upon a bacteriologically contaminated workpiece. A bacteriologically impermeable sheath is placed around the workpiece for maintaining bacteriological separation...
06/19/2001
6146016Handle closure system
A mating closure system includes a first closure element and a second closure element, where at least one of the closure elements includes a cut-out opening. Preferably both closure elements include matching cut-out openings. The cut-out opening may be fo...
11/14/2000
6132090Container
A container, a container receiving sleeve cap and a process of unloading and receiving a filled material at a receiving facility that does not require expensive, exclusively specialized areas, such as clean rooms, for preventing the filled material from b...
10/17/2000
6127168Containers useful for cell cultures and other applications
The subject invention provides inexpensive and convenient containers for holding a variety of substances. Although the containers of the subject invention are particularly well adapted for use in cell culture procedures, the versatile nature of these cont...
10/03/2000
6113270Flexible container with supporting side beams
A flexible bulk shipping container having supporting side beams positioned vertically about the side wall panel of the container. The side beams are made of a rigid material and act to distribute lateral bulge forces evenly throughout the container to pre...
09/05/2000
6102569Folding collapsible storage box
A folding collapsible storage box, which includes a fabric box body having rectangular horizontal top and bottom sides and four rectangular vertical peripheral sides, four horizontal rods respectively fastened to the box body along the border of the recta...
08/15/2000
6073372Method of advertising
A rectangular cardboard insert has small pieces cut from its corners to form a flat base and four edges. The lines forming the intersections of the base with the various edges are scored to help guide the edges as they are folded up. The inserts may be st...
06/13/2000
6068402Foldable cooler
The present invention provides a novel foldable softwalled cooler for preventing temperature change of heated or cooled items placed therein. The structure generally includes flexible walls having an insulating material therein and a bottom connected to t...
05/30/2000
6048099Soft-sided insulated container
A soft-sided insulative container includes a base, a rear wall and three side walls extending upward from the base, and a cover. The base, rear wall and cover are integrally formed, with the cover connected to the rear wall with a folding hinge. The side ...
04/11/2000
5947277Attractive hanging receptacle for plastic bags
A decorative receptacle for plastic shopping bags as well as a variety of other, different types of articles, the receptacle comprising an upper member having the general structure and appearance of an upper portion of a doll body, whether a human figure ...
09/07/1999
5897211Flexible bulk container with supporting side beams
A flexible bulk shipping container having supporting side beams positioned vertically about the side wall panel of the container. The side beams are made of a rigid material and act to distribute lateral bulge forces evenly throughout the container to pre...
04/27/1999
5850911Bag with integral cup holders
A bag for carrying liquid containers and other goods within the bag. The bag has a bottom panel and a plurality of side panels attached to the bottom panel such that the side panels in combination with the bottom panel define an interior space of the bag....
12/22/1998
5785175Flexible bulk bag with improved base
A bulk bag is provided which includes a base for cooperating with a forklift to allow transportation of the bag, and has a plurality of side walls extending upwardly from the base to collectively define a space for receiving bulk material. The base includ...
07/28/1998
5660478Container for holding fluent material
A container for holding fluent material comprises a bag of flexible material defining a volume for containing a load of material, a rigid base for supporting the bag, and tension members within the bag for constraining the bag to assume a shape in which t...
08/26/1997
5653318Detachable hard-shell bottom for soft-sided medical kits
A hard-shell bottom for releasable attachment to a soft-sided carrying case has a lower exterior surface comprising a fluid impermeable base platform having a lower surface and substantially vertical side surfaces contiguous to the lower surface and exten...
08/05/1997
5632558Container for compressed articles
A container, for a compressed block of tobacco, the container comprising a rectangular bottom, front, rear and two side walls (15,16,17,18), of which at least the front, rear and side walls are formed of pliable, non-shape sustaining fabric, the front, re...
05/27/1997
5603573Multi-use bag
Multi-use bag, particularly for the transport of a small animal. The bag according to the invention comprises a support (11) comprising three interconnected panels (14, 15) to form an assembly of U-shaped profile, open at two opposite ends, and a containe...
02/18/1997
5586655Line storage device
A light-weight, portable, container which facilitates the storage and retrieval of flexible, elongated elements, such as line, cord, rope, hose, wire and the like is disclosed. The line storage device incorporates a base portion which enables the device t...
12/24/1996
5553733Article cover
A cover for articles, such as wastebasket liners and tissue boxes, has a rigid end substantially coextensive with a first end of an article to be covered. A soft tubular pleated sidewall has a first end secured to the rigid end of the cover. The sidewall ...
09/10/1996
5467853Children's activity case
A child's activity case opens up to form a desk that sits on a child's lap. The activity case can be filled with toys, coloring books, crayons, etc., to keep a child occupied during times that children have to keep sitting such as in a car. The case compr...
11/21/1995
5462711Disposable beaker sheath
A method and apparatus maintains a level of sterilization during medical procedures operative upon a bacteriologically contaminated workpiece. A bacteriologically impermeable sheath is placed around the workpiece for maintaining bacteriological separation...
10/31/1995
5439109Line storage device
A light-weight, portable, container which facilitates the storage and retrieval of flexible, elongated elements, such as line, cord, rope, hose, wire and the like is disclosed. The line storage device incorporates a base portion which enables the device t...
08/08/1995
5393143Bag and method of making the same
A bag construction comprising an outer bag and an inner bag contained therewithin and a method of making the same is described. The bag construction is made from a tube length having inner and outer portions, by cross sealing the inner portions and foldin...
02/28/1995
5249692Vapor seal
A vapor seal for use in a container holding an air curable liquid for preventing the surface of the liquid from being exposed to air to eliminate skinning thereon when the container is stored in a partially full state. The vapor seal generally comprises a...
10/05/1993
5213418Reusable bag
A reusable bag includes a base. A plurality of side panels are affixed to the base and extend from the base in substantially the same direction. The base and sides of the reusable bag are formed of a semi-rigid form maintaining material which maintains it...
05/25/1993
5190089Protective collapsible bag assembly for appliance items
A collapsible bag assembly is described which provides a barrier for protecting an appliance item against flood water damage. The bag assembly includes a) a water impermeable flexible tube of plastic sheeting which is open at the top and closed at the bot...
03/02/1993
5161895Gift sack with drawstring or the like and method for making the same
A gift sack with a drawstring or the like member and method for making the same are disclosed. The method includes providing a sheet material of a predetermined dimension and including a heat-sealable resin-coating on one side thereof. The sheet material ...
11/10/1992
5158369Stabilized flexible container for flowable materials
A stabilized flexible container for receiving flowable materials includes a top wall, a bottom wall, and a perimeter wall formed from four double layered side walls seamed together along adjacent side edges. The exterior layer of the double layered side w...
10/27/1992
5065879Collapsible multi-layer insulator for a beverage container
A multi-layer insulator for a beverage container which includes an externally threaded base and a main sleeve extending upwardly from the base and having a collapsible side wall. The main sleeve comprises an exterior fabric layer, an interior fabric or ne...
11/19/1991
5033613Carrying package and receptacle for a soap product
A combined carrying package and soap bar receptacle structure is disclosed. The structure comprises a pair of aligned plates adapted to receive a soap bar product therebetween. The surfaces of the plates in contact with the soap bar product have a plurali...
07/23/1991
5014872Sleeved containers with thin film lining
A container is provided with an inner container body and an outer sleeve. The inner container body (which is preferably, but not necessarily, a one-piece structure) includes upper and lower essentially rigid portions and a flexible liner portion therebetw...
05/14/1991
4949863Isolator for work in an aseptic environment
An isolator (10) formed to facilitate the entry and exit of products into and out of the isolator, the wall (12) of which includes an upper part (16) and a lower part (18) capable of being disconnected completely along one section of the isolator. The upp...
08/21/1990
4930903Gift wrapping package
A gift wrap package includes a paper bag of conventional type having a square folded bottom and side folds providing a bag of generally rectilinear shape. An insert inside the bag supports one or more of the bag sides and gives the bag the appearance of a...
06/05/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?