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

Icon_funbox Bizarre Patents

Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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 37/351 - With conveyor


Subclass of Class 37 - Excavating
Definition: Apparatus including a carrier to remove the material cut
No. of patents: 13
Last issue date: 01/11/2005


NumberTitleIssue Date
6840712Thermal remediation process
A process and apparatus for removing organic and inorganic contaminants from solid media such as drill cuttings, tank bottoms or contaminated soils. The process is conducted in at least one thermal screw conveyor which provides two or more separate temperature zones...
01/11/2005
5930923Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain
A method of operation to effectively excavate an underdrain in the field ground having a long service life and ensuring that the underdrain will not be closed after a long period of time and a device for such operation. The method includes attaching a plu...
08/03/1999
5730501Continuous track mounted, self propelled open cast mining apparatus
The open cast mining apparatus comprises two sets of running gear between which a cutting drum is provided on a chassis. The conveyor tract is formed by an axial discharge conveyor inside the cutting drum, a vertical worm conveyor and a conveyor in the di...
03/24/1998
5586399Vertical trencher apparatus employing cutter having helical channel of varying rise angle
A vertical trencher having a cutter body with cutting teeth arranged in a spiral configuration on its circumference with an increasing rise angle, for excavating various size trenches, which is operable at high speed and efficiency, and suitable for use o...
12/24/1996
5465511Trenching machine
In a machine for digging a trench, in which the digging apparatus comprises an elongated boom having a movable chain around its periphery and which is lowered into the ground, the problem of dislodged boulders which heretofore would be excavated into the ...
11/14/1995
5245768Backfill separator for ditching machine
A separator is provided for use with a ditching machine to segregate rocks and coarse aggregates from the material excavated by the ditching machine s that the excavated material may be used as padding to protect the pipeline or other item positioned with...
09/21/1993
4912862Backfill machine
The invention comprises a mobile backfilling machine wherein raw materials located adjacent an excavated trench are picked up, graded and delivered to the open trench in an order of size grading from finest to coarsest, thereby providing a fine material p...
04/03/1990
4718537Feeder head assembly
A feeder head assembly is provided which includes a single pair of augers which collect bulk material contained within a vessel. These augers advance the material to a lifting conveyor. A frame pivotally mounted to a rotatable enclosure portion of the lif...
01/12/1988
4247997Trench excavating and shoring apparatus
A ditch-digging or trenching machine has a plurality of wall-engaging spreadable and retractable members which can be received in the trench to be advanced and provided with respective fluid-powered cylinders connectible to a cutting head for advancing th...
02/03/1981
4109336Automated machinery to clean debris from roadside ditches, collect it and then transport the debris to a major collecting area for disposing
A vehicle, such as a self dumping dirt truck or a trailer, is equipped with a powered assembly of components to automatically clean debris from roadside ditches or irrigation ditches, preferably powered by the truck engine, a tractor engine, or an auxilia...
08/29/1978
4098012Auger-type thin-keeled excavating machine
A trench excavating machine which includes a self-propelled vehicle having a front end and including a prime mover drivingly connected to an auger mounted forwardly of the vehicle and extending in a generally vertical direction. The auger is rotatably mou...
07/04/1978
4002205Horticultural device
In abstract, a preferred embodiment of this invention is a device for forming and maintaining demarcation boundaries primarily in the field of plant husbandry. The device includes power driven sets of blades spaced from each other on a common axle, with t...
01/11/1977
3934363Trench back filling and compacting apparatus
An apparatus for filling a trench and compacting the dirt within the trench. A vertical auger is rotatably mounted on a frame and is positionable within the trench for compacting dirt within the trench. A horizontal auger is rotatably mounted to the frame...
01/27/1976
 
Sign InRegister
Username  
Password   
forgot password?