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

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

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 414/296 - Drive means of charging conveyor controlled by level of material in receptacle


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the condition sensed in the level (i.e.,
No. of patents: 13
Last issue date: 12/27/2005


NumberTitleIssue Date
6980914Method for determining a corrected weight of a batch tank
The present invention relates generally to weight measurement methods and systems, and more specifically, to weight measurement methods and systems for material in a dynamic vacuum material transfer or other system utilizing differential conveying fluid pressure. Th...
12/27/2005
6439821Hopper feed regulating apparatus
A hopper feed regulator is provided for controlling the supply of feed to a hopper efficiently without having to directly contact the feed. The assembly includes a chamber having a switch contact, lever, upper hanger, cam follower and spring biasing arran...
08/27/2002
6238176Method of loading recyclable containers into trailers
A method for automatically loading bags of recyclable containers into a trailer. The containers of plastic bags are put onto a conveyor, which delivers them to a loader having a ram to push the bags of containers into the trailer automatically. In a prefe...
05/29/2001
5865592Stone metering system for railroad track maintenance vehicle
A stone metering system for a railroad track maintenance vehicle providing improved accuracy in stone delivery. The system includes a surge hopper, a number of metering augers, and a corresponding number of splitters. The metering augers convey ballast st...
02/02/1999
5584641Stone metering system for railroad track maintenance vehicle
A stone metering system for a railroad track maintenance vehicle providing improved accuracy in stone delivery. The system includes a surge hopper, a number of metering augers, and a corresponding number of splitters. The metering augers convey ballast st...
12/17/1996
5417317Apparatus for segregating and feeding fruit from a bulk supply
Apparatus for segregating and feeding fruit onto a conveyor comprising a conveyor device for moving fruit from a bulk supply, a diverter gate movable from a position to one side of the conveyor device to a fruit intercept position, a holding bin having a ...
05/23/1995
5195861Automatic rate matching system
An automatic rate matching system is provided such that the delivery of bulk material is matched with the quantity of bulk material required by a process. An optical probe is used which determines the depth of material delivered into a hopper, prior to it...
03/23/1993
5102281Automatic rate matching system
An automatic rate matching system is provided such that the delivery of bulk material is matched with the quantity of bulk material required by a process. An optical probe is used which determines the depth of material delivered into a hopper, prior to it...
04/07/1992
5004400Automatic rate matching system
An automatic rate matching system is provided such that the delivery of bulk material is matched with the quantity of bulk material required by a process. An optical probe is used which determines the depth of material delivered into a hopper, prior to it...
04/02/1991
4750417Method for compacting low density articles
In a method of compacting low density articles a conveyor supplies articles to be compacted to a hopper positioned alongside the upper end of a compression chamber in which a platen is adapted to be reciprocated. When the presence of a specified charge in...
06/14/1988
4715763Dry ash removal system
A hopper for use in a dry ash removal system is structured with a front elevational profile which converges from top to bottom while the side elevational profile of same diverges from top to bottom to allow substantially uniform hopper cross-sectional are...
12/29/1987
4212889Method for processing fish continuously and serially through a plurality of vessels
A method of processing fish in which whole fish are reduced to fish solubles in aqueous solution and to fish solids comprising bones and scales. Fish are continuously processed in a series of interconnected vessels so that a continuous steady-state discha...
07/15/1980
4170311Level measuring system
The level measuring system measures a variable level within a sensing area containing a mass of material. A sensing probe is positioned within the area and is coupled to the tank of an oscillating circuit through a switching network. A reference probe pos...
10/09/1979
 
Sign InRegister
Username  
Password   
forgot password?