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

Icon_funbox Quotables

"I hate what they've done to my child...I would never let my own children watch it. "

Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.

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 414/159 - Including roller conveyor


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the means for moving the material includes
No. of patents: 15
Last issue date: 08/30/2005


NumberTitleIssue Date
6935486Bushing system for live roller conveyor
The invention provides an improved live roller conveyor system for preventing damage to conveyed cases of goods when stopped upon live rollers. In an embodiment of the invention, a live roller comprises a drive shaft with a plurality of roller members rotatably affi...
08/30/2005
6817821Wafer handling for a reflow tool
The invention is an improved reflow tool for performing a reflow process on a wafer. An input robot may be used to transport wafers from an input carrier to an oven where a reflow process is performed. After processing the wafers in the oven, the wafers are transpor...
11/16/2004
6640598Heat shields
A heat shield arrangement (12) for a roller table (2) comprising respective upper and lower series of heat shield panels (32,34,36,18) above and below a hot material path (42) along the table. The lower series of panels (18) includes at least one panel th...
11/04/2003
5766002Apparatus for thermally conditioning cylindrical containers
Apparatus is disclosed for moving and thermally conditioning generally cylindrical containers in which the structure provides for movement of the containers about their axes and provides for a predetermined heat flow relative to the containers to change t...
06/16/1998
5198164Method of firing ceramic building materials
When ceramic building materials are fired in a roller hearth kiln, they are stacked in a plurality of layers, and allowed to reside in the kiln for a time of at least three hours....
03/30/1993
5033926Heat retaining means
Screens for limiting heat losses from heated material, e.g. bars and slabs in rolling mills. Screens are provided in the form of strings of heat insulating bodies composed of metal shells containing insulating material. These screens may form curtains and...
07/23/1991
4888143Fast tempo firing process for ceramic materials such as tiles
A fast tempo firing process for ceramic tiles is disclosed, in which material to be fired is exposed to a limited number of sharp rises and falls in temperature, occurring in quick succession and followed in each instance by a short stabilization period. ...
12/19/1989
4806056Modular fuel metering apparatus and method for use thereof
Apparatus and a method for delivering materials such as comminuted rubber tires as a secondary fuel to a combustion chamber of a furnace or kiln. A hopper includes a variable speed electric motor-driven screw conveyor, and a control system provides a vari...
02/21/1989
4634329Loading device for a horizontal continuous furnace for the heating of glass plates
A loading device for a horizontal continuous furnace for the heating of glass plates comprises a roller conveyer (6) as part of a continuous conveying system. Support strips (12-15, 32-35) can be lowered and are arranged between conveying rollers (7) of t...
01/06/1987
4578011Device for charging steel products in a reheating or treatment furnace
A treatment furnace having a longitudinally extending charging opening has a transversely extending furnace conveyor having an upstream end in the vicinity of the opening. A loading conveyor has an array of transversely extending approach rollers adjacent...
03/25/1986
4526537Apparatus for heat treatment of material in pieces at high temperature
The invention relates to apparatus for heat treatment of material in pieces at high temperature, especially for firing ceramic material. In this apparatus supports in the form of elongated support elements are provided on carrier elements rotatable about ...
07/02/1985
4488846Process and device for feeding glass sheets to a furnace
A device and a process for feeding glass sheets at a predetermined rate to a furnace having a main conveyor moving at a constant speed and extending through the furnace where glass sheets are to be positioned on the main conveyor separated by a predetermi...
12/18/1984
4303388Preheating furnace
A transport device in a preheating furnace for treating metallic material like bars, billets, blooms and the like of light metal, such as aluminum and its alloys, comprises a slide-in unit adapted to be pushed into and pulled out of the furnace chamber. T...
12/01/1981
4229878Method of operating a reheating furnace in a hot rolling line and a reheating furnace employed therefor
A heating method of operating a furnace in a hot rolling line and a heating furnace therefor in which the reheating furnace is positioned between a continuous casting apparatus and a rolling apparatus rolling workpieces at a higher speed than they are cas...
10/28/1980
3980431Mobile loading means for sterilizers
A sterilizer vessel 1 is mounted in a pit defining an open channel formed between the edges 12 and 14 of the room floor and sterilizer floor respectively. A mobile unit 18 has a leading edge having an elevating cam surface 34 and extending sufficiently fo...
09/14/1976
 
Sign InRegister
Username  
Password   
forgot password?