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

Icon_funbox Did You Know...

...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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 493/906 - Having multilayer wall


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Operation involving the construction of a receptacle constructed
No. of patents: 18
Last issue date: 06/06/2006


NumberTitleIssue Date
7056270Sandwich wall construction for a kit box or easily stored carrying case
The present invention is a method and means for making a carrying case from two open topped boxes from sandwich wall construction, where one box will be lid and the other a base. Living hinges connect a floor section to four sidewalls ensuring accurate vertical alig...
06/06/2006
6815022Laminated structures constructed from adhesively joined sheet material layers
One or more sheet material layers in a multi-layer laminated structure is reinforced by adhesive bridges that extend through openings in the layer and tie together the layers on either side of the reinforced layer. A plurality of openings are provided in the layer o...
11/09/2004
6689033Container forming method and apparatus
Disclosed is a new machine for forming containers of the type described in U.S. Pat. No. 5,497,939 without the use of glue or nails. The machine utilizes a mandrel movably mounted on a path for oscillation between retracted and extended positions. As the ...
02/10/2004
6386756Cup for indicating temperature of contents thereof and method of making
A cup for indicating temperature of contents thereof and a method of making. The cup includes a body that is cup-shaped and a temperature sensitive strip that is disposed on the body and indicates the temperature of the contents thereof. The body includes...
05/14/2002
6312369Container forming method and apparatus
Disclosed is a new machine for forming strong, durable and recyclable containers of the type described in U.S. Pat. No. 5,497,939 without the use of glue or nails which are ready to be loaded, closed, stacked and shipped. The machine utilizes a mandrel mo...
11/06/2001
6253995Insulated containers and sidewalls having laterally extending flutes, and methods
An insulated container comprises a sidewall formed with an outer layer, an inner layer, and a fluted layer located between the outer and inner layers. The fluted layer includes elongated flutes extending in a substantially lateral direction around the con...
07/03/2001
6126584Method for forming a container with corrugated wall
A method of forming a paper container uses a three ply corrugated material having at least one inner or outer sheet of paper that may be stretched or compressed circumferentially to permit subsequent rolling of the corrugated material about a mandrel. A f...
10/03/2000
6007467Method for forming an insulating inner container
An improved method for packaging perishable goods comprises an inner insulating container that is quickly and easily formed from a flat sheet of metalized bubble pack material to a finished state that very closely approximates the size and dimensions of t...
12/28/1999
5669505Disposable serving tray
A disposable food serving tray is formed of a single sheet of flat stock material, cut and folded to provide a tray with four upstanding walls for the containment of an article of food therein. The folding pattern provides leakproof corners, precluding le...
09/23/1997
5390847Fruit and produce container
An improved fruit and product container has a bottom and two side walls formed of a common piece of corrugated cardboard and two end walls formed of laminated paperboard attached to the bottom and side walls so as to define a box. The two laminated paperb...
02/21/1995
5363981Bridged integral liner
A carton blank having an integral liner, an erected carton made from the blank and a process for making the carton blank. The integral liner includes portions excised therefrom to reduce paperboard resource and refuse. The blanks are preferably made by cu...
11/15/1994
5230689Method of making stabilized 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...
07/27/1993
4966280Multiple-ply anti-static paperboard
A multiple-ply anti-static paperboard having a layer of high-carbon content fiberboard sandwiched between two plies of anti-static material, the anti-static material being an anti-static plastic or low-carbon content paperboard. Dividers and pads made of ...
10/30/1990
4835944Carton nesting apparatus and method
An apparatus and method for nesting a carton bottom with an open-sided carton top includes a work surface having a first end and a discharge end, and feed stations along the work surface for feeding the carton bottom and top onto the work surface. A conve...
06/06/1989
4795081One-piece paperboard carton and telescoping closure member
A one-piece paperboard container and closure member telescopically opens and closes and, in the process of opening, reveals hidden matter printed on the container body portion, the closure member automatically frictionally locking onto the container body ...
01/03/1989
4623072Corrugated container with foldable flaps
Multi-layered corrugated containers having at least one flat side, have at least one foldable flap attached at the fold line to the flat side. In the past the fold line has been scored or crushed after the box is formed, and this represents an additional ...
11/18/1986
4395253Method of making corrugated packages
A machine for forming a corrugated package from sheet material including a rotatable corrugation head having a fluted periphery and a front face; corrugating means and sealing means movable into association with the head for corrugating an inner sheet mat...
07/26/1983
4174658Tray former
An improvement in a carton forming mechanism of the type wherein a mandrel is reciprocated through a die assembly to fold the side walls and tabs of an upwardly open carton assembly having perpendicular pairs of side walls. It is designed specifically for...
11/20/1979
 
Sign InRegister
Username  
Password   
forgot password?