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| Number | Title | Issue Date |
| 5623969 | Normally closed aspiration valve A valve having two elements each with a respective passageway, with one of the elements having a support and the other element having a shoulder, and a disc mounted between the elements and partially flexed over the support to form a seal on the shoulder ... | 04/29/1997 |
| 5623970 | Field installable choke tube A field installable choke tube apparatus and a method for installing the choke tube into a pulsation dampener of a compressor. The choke tube is insertable into the pulsation dampener through the nozzle of the pulsation dampener. The supporting apparatus ... | 04/29/1997 |
| 5623971 | Drain and cleanout spacer A drain and cleanout spacer which facilitates height adjustment of the drain strainer and cleanout port after pouring a concrete slab floor. The device comprises two cup-shaped plastic spacers joined by a flexible web. The first spacer has inside dimensio... | 04/29/1997 |
| 5623973 | Weft-thread measuring feeder having a circumference adjusting spreading body A weft-thread measuring feeder comprising a storage drum for a thread stock consisting of tangentially wound turns, from which a thread can be withdrawn overend in sections of a predetermined length. The storage drum includes a power accumulator which can... | 04/29/1997 |
| 5623974 | Spray product and pump to supply air under pressure to the dispenser A dispenser having a manually-operated dispensing valve assembly has a container for accommodating a spray product. The bottom of the container has a recess adapted to cooperate with a tube used to deliver air under pressure from an air pump into the cont... | 04/29/1997 |
| 5623975 | Gas capsule filling and sealing process A cylindrical plug made of elastomeric material is introduced into a cylindrical cartridge. The rim of the cartridge is swagged-in to reduce the diameter of its opening to one-third of the cartridge internal diameter and of the closely matching plug exter... | 04/29/1997 |
| 5623976 | Method and apparatus for supplying containers Method and apparatus for automatically supplying containers with a liquid using an electronic scale and high speed microprocessor for measuring the weight of liquid introduced into the containers. The first container is partially filled to a predetermined... | 04/29/1997 |
| 5623977 | Chipper blade for chipper having radiused cutting edge A finishing blade having a radiused cutting edge for a chipper to produce a smooth finish on a surface of a log. The blades are mounted on the chipper such that a cut produced by one blade will be overlapped by a succeeding blade. The cutting edge of the ... | 04/29/1997 |
| 5623978 | Stump cutting double claw tooth structure A double claw stump cutting tooth having two cutting heads having cutting faces angled to slice into a stump with both heads adapted for simultaneously cutting or chipping a stump.... | 04/29/1997 |
| 5623979 | Cutting tooth A cutting tooth for use in a stump cutting apparatus wherein the cutting tooth comprises a mounting base and a head portion which are integral with one another and are made of a one-piece metallic forging. The forging is preferably made from AMS 4140 stee... | 04/29/1997 |
| 5623980 | Holder for receiving and retaining small articles A holder for receiving and retaining small objects comprises two substantially planar sheets, the sheets being joined to each other along a majority of their perimeters and separated along a minority of their perimeters to form a pocket between the sheets... | 04/29/1997 |
| 5623981 | Safety barrier for rim holding tire changers A safety device which can be retrofitted onto existing rim holding tire changers or provided as a feature of such devices by the original equipment manufacturer. Applicant's safety feature is a barrier, in the preferred embodiment a U-shaped steel tube ap... | 04/29/1997 |
| 5623982 | Pull cord stopper device for use in a blind apparatus A pull cord stopper device (20) for use in a blind apparatus operative in response only to a cord control string attached to pull cords. The pull cord stopper device (20) is disposed in a head box (10) and is adaptive to a large-scale blind apparatus. A s... | 04/29/1997 |
| 5623983 | Continuous casting mold A continuous casting mold having side walls through which a coolant flows includes a hydraulically operated oscillation device and a guiding device supporting the continuous casting mold relative to a stationary supporting structure. In order to do with a... | 04/29/1997 |
| 5623984 | Method of controlling pressurizing pin and casting apparatus with pressurizing pin controller The disclosed method of controlling a pressurizing pin, which serves to replenish for the necessary locality with molten metal during solidification of molten metal charged in the cavity, features that the operation of the molten metal replenishment by th... | 04/29/1997 |
| 5623985 | Apparatus and method for molding an article An apparatus and method for use in casting a metal article includes a mold structure having wall sections with pins extending between the wall sections. The pins have opposite end portions which are embedded in the wall sections of the mold structure to i... | 04/29/1997 |
| 5623986 | Advanced in-ground/in-water heat exchange unit A geothermal heat exchange unit, which can be placed in ground or in water, having a hollow sleeve about which a helical winding of thermally conductive tubing is wound and a return length of thermally conductive tubing along the central axis of the sleev... | 04/29/1997 |
| 5623987 | Modular manifold gas delivery system A system and method is provided whereby exhaust gases from a cold started internal combustion engine are rapidly brought to catalytic combustion conditions. Specifically, a closed system of a low pressure metal hydride heat exchanger and a high pressure m... | 04/29/1997 |
| 5623988 | Polymeric heat exchanger with ceramic material insert A heat exchanger for use as a condensing heat exchanger in a gas-fired hot air furnace has a ceramic pipe forming an initial portion of a fluid flow path through the heat exchanger. The ceramic pipe receives the combustion gases from a primary heat exchan... | 04/29/1997 |
| 5623989 | Finned tube heat exchanger The finned tube heat exchanger (1) has a plurality of elongated heat exchanger tubes (2) arranged parallel to one another and with a cross section, the length (L) of which is a multiple greater than its width (B). The heat exchanger tubes (2) are intercon... | 04/29/1997 |
| 5623990 | Temperature-controlled water delivery system A combined safety shower and eyewash station utilizes steam to heat water in a heat exchanger. Cool water is combined with heated water from the water outlet of the heat exchanger by a temperature-regulated mixing valve. If the water at the water outlet o... | 04/29/1997 |
| 5623991 | Tubing tightener A tubing tightener which is readily adaptable to either clockwise or anti-clockwise rotational setting operation and which uses a series of drag slips having integral drag and slip surface regions. The drag surface regions are substantially smooth and are... | 04/29/1997 |
| 5623992 | Method and system for decontaminating soils and groundwater of gasoline Biodegradation of gasoline by microorganisms in soil and groundwater is achieved by improving the growing conditions for petroleum degrading microorganisms in the subsurface by introducing oxygen containing gas and soluble nitrogen into a system of closel... | 04/29/1997 |
| 5623993 | Method and apparatus for sealing and transfering force in a wellbore A wellbore is at least partially obstructed with a partition or obstruction member. A fluid slurry of an aggregate mixture of particulate matter is pumped into the wellbore adjacent the partition or obstruction member. The aggregate mixture of particulate... | 04/29/1997 |
| 5623994 | Well head cutting and capping system Systems and methods for cutting a well casing and then capping the cut well casing are provided. A well casing cutting assembly having a tensioned wire cutting element may first be moved into position relative to the well casing and operated so that the c... | 04/29/1997 |
| 5623995 | Fire suppressant foam generation apparatus The fire suppressant foam generation and application apparatus produces a low moisture content fire suppressant foam for use in fire fighting applications. The reduction in the water content of the fire suppressant foam is accomplished by the use of press... | 04/29/1997 |
| 5623996 | Aerator A compact lawn aerator comprises a rigid frame having a hitch for releasably fastening tire frame to the back of a self-propelled mower. An elongated axle is secured to the under side of the frame and a set of aerator wheels are rotatably mounted at space... | 04/29/1997 |
| 5623997 | Soil zone-builder coulter closer/tiller A soil manipulation device is provided for closing a groove in soil formed by a soil tiller shank. The device includes a frame connected to a rear portion of the tiller shank and a pair of rotatable coulter blades mounted on the frame for engaging soil be... | 04/29/1997 |
| 5623998 | Bearing assembly for a leveling harrow A harrow includes a series of sleeves each having a plurality of teeth and telescoped non-rotatably over a rod which is rotatably journaled by laterally spaced bearing assemblies supported by mounting arms which, in turn, are attached to a tool bar. The b... | 04/29/1997 |
| 5623999 | Hand-operated tool A hand-operated tool has a casing containing a motor for driving a tool member of the tool and a metallic tubular grip with a tube wall connected to the casing. The tube wall of the tubular grip has a profiled outer mantle surface made by deforming the tu... | 04/29/1997 |
| 5624000 | Power tool with modular drive system and method of assembly of modular drive system A power tool (20) includes a modular drive system in which the motor (22) and transmission (24) consist of separate self-contained modular units which can be assembled together by simply sliding and rotating the motor housing (42) and the transmission hou... | 04/29/1997 |
| 5624001 | Mechanical-hydraulic double-acting drilling jar A mechanical-hydraulic double-acting drilling jar includes an inner tubular mandrel telescopingly supported inside an outer tubular housing. The mandrel and the housing each consist of a plurality of tubular segments joined together, preferably by threade... | 04/29/1997 |
| 5624002 | Rotary drill bit A rotary cone drill bit having a one-piece bit body with a lower portion having a convex exterior surface and an upper portion adapted for connection to a drill string. The drill bit will generally rotate around a central axis of the bit body to form a bo... | 04/29/1997 |
| 5624003 | Battery temperature-raising device for electric vehicle The present invention relates to a battery heating device for an electric vehicle, which includes: a combustion heater for heating an interior of the electric vehicle; batteries which are a driving source of the electric vehicle, the batteries being dispo... | 04/29/1997 |
| 5624004 | Wheel support apparatus for a carriage, a carriage having same, and an article transport system having such carriages A wheel support apparatus for a carriage, a carriage having the wheel support apparatus and an article transport system having the carriage. The wheel support apparatus comprises wheel support frames for supporting a pair of wheels and motors for driving ... | 04/29/1997 |
| 5624005 | Running speed control device for a vehicle When an "off" state of an IDLE switch is detected even once after an ignition switch of an internal combustion engine is turned on, a cruise ECU determines that the IDLE switch is normal, and performs constant-speed cruise control if the start thereof is ... | 04/29/1997 |
| 5624006 | Support apparatus for use on an inclined roof A support apparatus for scaling and working on an inclined roof made up of at least one ladder having a pair of ridge hooks to engage the roof ridge, a rotatable support frame secured to the ladder, and a pivotally mounted platform for support of workers ... | 04/29/1997 |
| 5624007 | Tree step insertion and removal device A device is disclosed for the insertion and removal of rod-type tree steps having vertically spaced apart first and second horizontally disposed sections extending oppositely from a vertically disposed central section. The device has a body portion includ... | 04/29/1997 |
| 5624008 | Convertible tree stand The climbing tree stand of the present invention is convertible between a pair of individual and independent frames attachable to a tree trunk for climbing the same, and a cart for transporting equipment or game. The seat frame includes a U-shaped support... | 04/29/1997 |
| 5624009 | Wheelchair lift A wheelchair lift system enabling wheelchair accessibility between stair levels for persons incapable of traversing stairs under their own power. The key of the invention is a free-rolling, wheeled platform suspended between two arcuate tracks which are l... | 04/29/1997 |
