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Attorney: Dougherty, Hessin, Beavers & Gilbert


Number of patents: 188
Last date: June 30, 1998

1          
NumberTitleIssue Date
5772007Electric circuit lock-out safety device
A lock-out device for electrical circuits which includes an elongated, open sided C-shaped housing having parallel side walls each joined at an edge to a back panel. Each side wall defines a plurality of spaced, open slots. The slots in the side walls are...
06/30/1998
5729474Method of anticipating potential HVAC failure
To anticipate potential failure of a temperature modification device (e.g., heating, ventilating and air conditioning equipment used in a commercial building), an efficiency value representing the ability of the temperature modification device to change t...
03/17/1998
5690170Hydraulic cutting overshot
An overshot cutter for suspension from coiled tubing that includes an elongate housing which includes a drive piston at the upper end with adjustable axial passage, an inner barrel there-below, and a cutter piston extending a collet cutter next below and ...
11/25/1997
5678307Method of manufacturing rupturable pressure relieving apparatus
An inverting, rupturable, pressure relieving apparatus includes a structure having a wall for containing pressurized fluid and an asymmetrical indentation in the wall. The indentation has a base connecting the indentation to the wall, a protuberant side f...
10/21/1997
5676276Buffet table food pan
A buffet table food pan having a pair of side walls and a pair of end walls extending upwardly from a bottom panel. A top flange extends outwardly from the walls. The flange is in sealing engagement with the buffet table when it is placed therein. The fla...
10/14/1997
5673834Dolly lock apparatus
An apparatus adapted to be mounted to a delivery vehicle for releasably locking a dolly thereto. The apparatus includes a frame and a pair of L-shaped lock arms pivotally connected to the frame. The lock arms are interconnected such that the lock arms cou...
10/07/1997
5671855High strength industrial storage tank
A high strength industrial storage tank is provided. The tank includes a pair of opposed sidewalls, a pair of opposed end walls, each end wall interconnecting the sidewalls, and a floor connected to the sidewalls and the end walls. Each of the sidewalls a...
09/30/1997
5664556Fireplace reflector
A reflector screen for a fireplace consisting of a rectangular central screen of reflective material hingedly interconnected with first and second side panels of reflective material for placement in the rear of a fireplace in surround of the fire....
09/09/1997
5653567Mobile cattle feeder
A mobile batch feeder for cubed feed consisting of a supply hopper with conveyor leading to a cumulative dispensing chute. Rotational input to drive the conveyor also functions to trip open the dispensing chute periodically thereby to dispense measured ba...
08/05/1997
5640153Energy utilization controller and control system and method
Control data to change any of various parameters in energy management systems that control energy consumption devices, such as heating and air conditioning equipment, is transmitted from a remote location, through a paging network, to a plurality of pagin...
06/17/1997
5637218Flow control for evening out waste water inflow in soil-based installations for waste water purification
The inflow control means comprise either a contact buffer or a buffer reservoir and pump means or both in combination with the inlet of a soil-based filter bed like a root space installation. The contact buffer is in direct flow communicating contact with...
06/10/1997
5635674Sealed passage for electrical leads across a barrier
An assembly of heat shrink tubes provides an interface across a barrier, such as a boundary of a chamber of a transformer housing. Each of the tubes has an axial aperture for receiving at least one respective electrical lead, such as ones extending from a...
06/03/1997
5616073Apparatus and method for processing hog stomachs
Apparatus and method for processing hog stomachs includes a base, an inversion member having a first end insertable through an opening in the stomach, a second end connected to the base, a first end opening in the first end, and a second end opening in th...
04/01/1997
5613726Livestock trailer including improved trailer slat unit
An extruded, one-piece metal slat unit for attachment to a frame member of a trailer. The slat unit includes an elongated body portion having at least one leg member connected to and longitudinally extending along the interior surface of the body portion ...
03/25/1997
5611436PC card conveyance and testing apparatus
Apparatus for handing and testing PC cards and, more particularly, modem cartridge units. The apparatus uses a gravity drop conveyance or slideway in combination with transverse test coupling unit. Feed gate apparatus separates and singly drops each PC ca...
03/18/1997
5607140Rotatable valve assembly
Rotatable valve assembly includes a mounting mechanism for rotatably mounting the valve in a housing, the mounting mechanism including a shaft having an outside end extending through the housing. A conversion mechanism converts fluid pressure in the housi...
03/04/1997
5605416Water, sediment and erosion control apparatus and methods
The water, sediment and erosion control apparatus of the present invention includes a water-permeable foam barrier extending generally longitudinal. The barrier has an upstream surface and a downstream surface. The apparatus also includes an apron extendi...
02/25/1997
5598626Method for salvaging core laminations
Apparatus and method for salvaging core laminations from the core and windings of an electric motor include a first station for inserting a stop between adjacent core laminations at a first point such that the stop contacts the flux zone of the lamination...
02/04/1997
5593404Method of treatment of prostate
A method of treating a patient's prostate. An endoscopic instrument is inserted through the patient's urethra such that a distal portion of the endoscopic instrument is inserted into the patient's prostatic urethra and engaged with an interior wall of the...
01/14/1997
5592828Carcass processing method
A method of processing the carcasses of animals which die during the course of a grow-out operation. The inventive method comprises the steps of: (a) collecting and freezing the carcasses in a freezing apparatus and (b) transporting the frozen carcasses t...
01/14/1997
5587088Precipitation and separation of inorganic species from aqueous solutions
A process for the precipitation and separation of inorganic species form aqueous solutions. The method comprises the step of adding a miscible organic solvent to inorganic-aqueous solution so that a solid precipitate from the aqueous solution is formed. T...
12/24/1996
5586886Rotary handpiece for endodontic instruments
The present invention provides an improved rotary handpiece for cleaning and enlarging the root canal of a tooth with a rotary endodontic file. The handpiece includes a retractable support rod attached to and extending from the handpiece positioned adjace...
12/24/1996
5584646Handling apparatus
A mobile, self-propelled, multicapability apparatus useful for gripping, lifting, moving, rotating, and otherwise manipulating heavy articles. The inventive apparatus comprises: a base structure; a turret rotatably attached to the base structure; a first ...
12/17/1996
5581962Antenna mast and support structure
An antenna support consisting of a mast resting on a mast plate adjacent a building and including an adjustable length wall bracket secured to the building and bracketed to the mid-section of the mast, a guy arm secured to the mast and extending about 180...
12/10/1996
5579942Vacuum support and rupture disk assembly
Vacuum support and rupture disk assembly in which the vacuum support member does not restrict flow through the rupture disk includes a rupture disk having opposite faces defining a plane and a blow-out portion of selected planar dimension; a vacuum suppor...
12/03/1996
5579289Nautical clock apparatus and methods
An improved nautical clock apparatus of this invention is comprised of a clock base, a tide state indicator attached to the base, and an electronic controller attached to the tide state indicator and to the base for operating the tide state indicator to c...
11/26/1996
5570803Rupturable pressure relieving apparatus and methods of manufacturing the same
An inverting, rupturable, pressure relieving apparatus includes a structure having a wall for containing pressurized fluid and an asymmetrical indentation in the wall. The indentation has a base connecting the indentation to the wall, a protuberant side f...
11/05/1996
5564358Over and under boat cover
A protective boat cover for trailered craft which consists of a top cover for secure positioning over the topside of the boat in combination with a cushioning bow cover extending over the forward underside of the boat to deflect and protect against roadwa...
10/15/1996
5558623Therapeutic ultrasonic device
A therapeutic ultrasonic device which will transmit multiple ultrasonic frequencies through one ultrasonic applicator. The applicator includes a handle; two diaphragms connected to one end of the handle with each diaphragm having an applicating face direc...
09/24/1996
5553439Composite, prestressed structural members and methods of forming same
A composite, prestressed structural member and methods of forming such a member. The apparatus includes a plurality of longitudinally extending girders and a deck unit attached thereto. The deck unit may comprise a plurality of adjacent composite units di...
09/10/1996
5552571Push-button switch having a plurality of simultaneously closed contacts
With push button operated switches having at least one movable and one stationary contact carrier, problems may occur when the push button is not actuated properly and centrally. This problem is overcome by a switch having corresponding annular contacts a...
09/03/1996
5549027Stringed acoustic musical instrument
A stringed musical instrument, such as a guitar, which includes a bridge which does not stress the top of the guitar either vertically or laterally. Vertical and lateral forces due to string tension are balanced out within the bridge assembly. Also disclo...
08/27/1996
5545356Industrial cooling tower
A direct forced counterflow cooling tower apparatus includes concrete side walls having L-shaped troughs located at the lower ends thereof. The cooling tower includes a liquid distribution system, fill material located below the liquid distribution system...
08/13/1996
5544003Portable electrical distribution panel
A portable power distribution panel for disposition in a sealed, isolated space to receive primary power input from an external source and to distribute reduced or secondary voltage operating power to each of a plurality of output power receptacles while ...
08/06/1996
5542223Air duct boot
An air duct boot useful for connecting a heating and air conditioning duct to an air register grate to permit air to be circulated into a space to be heated or cooled. The air duct boot includes a housing of right parallelepiped configuration constructed ...
08/06/1996
5539633Temperature control method and apparatus
Power demand is monitored and temperature control effected in response. If monitored power demand is below a predetermined power demand limit, a selected desired temperature setpoint is used as the temperature to be attained. If monitored power demand is ...
07/23/1996
5537770Method and apparatus for altering fishing lures
A method and apparatus for altering or modifying fishing lures to vary the normal action of the fishing lure during retrieval and to achieve a desired modified action. The apparatus includes a kit of substantially identically sized and uniformly shaped we...
07/23/1996
5536541Artificial lumber and method of making the same
Artificial lumber module which may be joined with like modules to create artificial lumber of conventional lumber sizes includes an elongate channel; a plurality of dividers integrally formed within the channel and spaced along the channel; and braces int...
07/16/1996
5533433Locking assembly in a launcher for missiles
A locking unit for a missile launching device comprises a pivoting pawl. The pawl has two locking lugs to clamp a shoe on the missile. The pawl is preloaded by a spring towards a locking position in which the shoe of the missile is held by the lugs. A loc...
07/09/1996
5533343Freezing system
A method of freezing a product, a frozen product produced thereby, and a freezing apparatus useful for performing the inventive method. The inventive method comprises the step of compressing a product to be frozen between a cooled first contacting surface...
07/09/1996
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