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

Icon_funbox Bizarre Patents

Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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 209/570 - Permeability


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and apparatus wherein the permeability of an item
No. of patents: 25
Last issue date: 01/15/2008


NumberTitleIssue Date
7318459Method and apparatus for conveying flexible fabrics using dual side outlets
A system for pneumatically conveying flexible fabric items such as uniforms and table linens has a pair of side outlets at each discharge location to enhance the discharge capacity. Each side outlet is provided with a gate to open and close the outlet. A hopper havi...
01/15/2008
6724305Pulse induction silverware detector
There is provided a receptacle system for detecting at least one metallic object entering therein and alerting a user in response to the detection. The system of the preferred embodiment comprises a receptacle body forming an interior cavity. Moreover, a cover may b...
04/20/2004
5797497Flatware trap for waste containers
A device for trapping flatware in food waste prior to entry into a trash container includes a housing positioned onto the trash container having a downwardly sloping chute, an electronic metal detector disposed in the housing, and a mechanically-operated ...
08/25/1998
5464099Method for the automated processing of documents and bulk mail
An apparatus for the automated processing of bulk mail in a continuous and automatic procedure includes an operative combination of processing stations including an input station for receiving incoming mail in bulk fashion and for separating the pieces of...
11/07/1995
5413222Method for separating a particular metal fraction from a stream of materials containing various metals
A method is disclosed for separating a preselected metal fraction from a stream of discrete particles containing a plurality of metals that are not strongly ferromagnetic. According to this method, a detection zone is established within the stream of part...
05/09/1995
5287599Ductwork with sensor and pivoting gate for fiber impurity removal
An apparatus for separating foreign matter from a pneumatically conveyed stream of textile fibers has a pneumatic duct in which the textile fibers are conveyed by an air stream; a waste container; first and second coupling openings for maintaining communi...
02/22/1994
5113358Web caliper measuring system
A non-contact caliper-type gauge particularly suited for measuring the thickness of a running web. In its preferred form, the system includes a pair of opposed scanning heads defining a gap through which the running web passes, the heads being adapted to ...
05/12/1992
4953710Automated apparatus for inspecting columnar bodies by eddy current method
An automated apparatus for inspecting columnar bodies by an eddy current method includes a stockup zone, a feed zone and eddy current inspection equipment with the feed zone. The columnar bodies are fed via guide equipment end to end in an abutting relati...
09/04/1990
4863040Apparatus for separating a contaminated portion of bulk material from a flow of bulk material
Contaminated portions of bulk material are removed from a flow of bulk material with the aid of a flow or drop pipe in a casing that is movable back and forth between a discharge position and a normal flow position. The flow or drop pipe is equipped with ...
09/05/1989
4792392Dump gate control system
A system for controlling a dump gate in a conveyor system (e.g. carrying printed copy from a high-speed printing press to stackers) detects a marker carried by a marred product (e.g. a metal tab fitted when splicing a new reel of paper) to start a counter...
12/20/1988
4763792Device for sorting out metal particles
A device for sorting out metal particles from a current of conveyed material, such as grinding stock or granular material, including a retarding device in the form of a whirling chamber between a metal detector and a sorting device....
08/16/1988
4753353Conveying device
A conveying device (1) for granular material (2) to be transported has a conveying line (3) which is connected to a suction appliance (7). Along the conveying line (3) is an induction coil (8), which is connected to a control device (10) for a discharge f...
06/28/1988
4632253Apparatus for separating cutlery from restaurant waste
Apparatus for separating cutlery from restaurant waste. A hopper (1) forms a chute and is adapted to be placed above the opening of a waste container. In the hopper there is a sloping surface (2) on which the waste is tipped, there being an opening (3) at...
12/30/1986
4480753Metal detector apparatus and method
A metal detector system which includes an electromagnetic search coil, a gate for diverting portions of a material stream containing metal detected by the search coil to a reject container, and a coupling for isolating vibrations caused by the gate from t...
11/06/1984
4466543Method and device for distinguishing between field crops, particularly potatoes on one hand and stones or clods of soil on the other hand
A method and apparatus for distinguishing and separating both stones and soil clods from field crops, in which a sensor (5) is simultaneously responsive to both impact and influence on a sensor-generated magnetic field and generates output signals charact...
08/21/1984
4454028Can sorting method and apparatus
An article or can sorting apparatus for separating articles having a recycle value from articles having no recycle value is defined by an annular article supporting surface positioned at about 45 degrees to horizontal, a cylindrical wall positioned in rel...
06/12/1984
4373638Sorting apparatus
Apparatus for sorting ore rocks in which rocks are fed in stream past detector to measure characteristic selected as basis for sorting and into free flight trajectory from which selected individual rocks are deflected according to measure of said characte...
02/15/1983
4367675Device for orienting and topping tapered vegetables
A machine for effecting an orientation of carrots or other elongate, tapered vegetables placed thereon, comprising a vibratory table of elongate configuration whose upper surface is principally constituted by a plurality of generally parallel members. The...
01/11/1983
4355724Apparatus for sensing depressions in top panels of containers
Apparatus for detecting whether the top panel of a container cap is properly depressed as capped containers are conveyed along a travel path. The apparatus is of the type comprising a floating shoe disposed over the travel path and carrying a proximity se...
10/26/1982
4311241Method for separating clods and the like from potatoes
Method for separating clods and the like from potatoes, which includes placing the clods and potatoes on a first belt for transporting the potatoes and clods toward a forward end and positioning a second belt spaced horizontally apart from and vertically ...
01/19/1982
4171262Apparatus for eliminating metallic contaminations from a fibre transporting duct in spinning preparation
An apparatus for eliminating metallic contaminations from a fibre transporting duct in spinning preparation, wherein an air stream transports fibre flocks through the duct. At a branching point of the fibre transporting duct leading to a waste duct there ...
10/16/1979
4155455Eddy current and variable reluctance test apparatus for rollers and the like
Non-destructive testing apparatus for rollers and the like of magnetic material comprises a pair of rotating spin rails having intermediate sections of magnetic material. Feeding apparatus deposits rollers on the spin rails and moves them successively pas...
05/22/1979
4116435Automatic cue ball separating device for billiard tables
An automatic cue ball separating device is described for billiard tables to separate a metallic containing cue ball from nonmetallic object balls. The cue ball separator includes an induction sensing coil that circumscribes the path of the balls along a r...
09/26/1978
4050010Apparatus utilizing a test surface with a magnetic flux gap for detecting dimensional disconformities of manufactured elements
One or more dimensions of each of a series of similar manufactured elements, which are formed of magnetizable materials such as iron, steel, nickel or the like may be quickly checked for conformity to a predetermined value by momentarily positioning each ...
09/20/1977
4015845Automatic cue ball separating and return assembly for billiard tables
An assembly for identifying and separating a cue ball, on a single file ball return run of a billiard table, from a group of object balls with the cue ball being substantially identical in weight and size to the object balls. The assembly includes a cue b...
04/05/1977
 
Sign InRegister
Username  
Password   
forgot password?