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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7043486 | Process and system for tracking versions of field documentation data collection configurations in a complex project workflow system A process is provided for capturing a state of a data input interface at a particular time in a complex workflow system. The data input interface provides an interface for entering actual data to populate a field document. The data input interface is modified on a p... | 05/09/2006 |
| 4934895 | Combination truck and boat trailer apparatus The apparatus includes a truck body having a forward cab section and a rear bed section, the bed section adapted to further provide a plurality of horizontal members, comprising a truck bed, the members positioned atop a rear axle for defining a bed porti... | 06/19/1990 |
| 4924898 | Vacuum assisted material mover A pumping system for sludge including hazardous waste material and other viscous material includes a vacuum pump for drawing sludge into and through an intake line to a separator where the heavier components of the sludge descend into a closed tank hopper... | 05/15/1990 |
| 4918883 | Apparatus for composite pole repair This invention provides a method for repair for poles which have beem damaged by environmental effects, which is easily transportable, simple to install, and easily adaptable to many classes of poles. The method involves excavating around the pole, cleani... | 04/24/1990 |
| 4889444 | Method and apparatus for construction of artificial roads A temporary road is provided which includes a plurality of sets each defined by a first and second matrices which include an upper surface for supporting heavy vehicles and the like over rough or impassable terrain and a second matrices which comprises su... | 12/26/1989 |
| 4871079 | Floatable cooler chest An integral floating cooler structure including a barge member having a barge bottom and barge sides with a storage chest having a chest bottom formed in common with the barge bottom, and chest sides of less thickness that the barge sides and having lower... | 10/03/1989 |
| 4846692 | Educational children's toy A toy adapted to instruct young children by association. The toy teaches proper numeric, alphabetic, or color sequences and the standard left to right reading convention, by utilizing blocks that are inserted into shafts in a stand. Blocks inserted out of... | 07/11/1989 |
| 4832693 | Disposable syringe A single use hypodermic needle syringe is constructed in a manner which provides for the automatic self destruction of the fluid passage during the initial use upon the first complete injection stroke. Because the fluid passage is destroyed upon the first... | 05/23/1989 |
| 4830409 | Composite pipe coupling A pipe end fitting or coupling including an elongated tubular body having a bore at its first end and a counterbore at its second end with the counterbore being formed as a plurality of frusto-conical grooves and with each of the grooves converging toward... | 05/16/1989 |
| 4789567 | Abrasion resistant coating and method of application A protective coating of finely divided abrasion resistant inerts carried in a corrosion resistant resin is diluted with a solvent and applied to a surface. The applied coating is cured to achieve either a single layer of inerts dispersed in the resin or t... | 12/06/1988 |
| 4787642 | X-shaped high pressure sealing structure A high pressure seal structure to seal against fluid pressure around a cylinder member movably. The structure includes an integral circular metal sealing ring including a pair of first circular sealing lips having a cross-section of chevron shape axially ... | 11/29/1988 |
| 4774980 | Piloted wellhead flow control valve Wellhead flow control valve including a valve body, a hydraulic linear actuator means connected to valve body in alignment with operating chamber. Actuator has Belleville spring return. A seat sleeve carrying a valve seat and an internal lining mounts at ... | 10/04/1988 |
| 4772011 | Exercise apparatus A demountable exercise apparatus for installation in conventional doorways comprises a pair of parallel rectangular support members each formed of separable sections. Each support member has a plurality of longitudinally spaced polygonal recesses, in oppo... | 09/20/1988 |
| 4767291 | Single valve pump A down-hole pump adapted for operation in connection with a string of tubing and a string of reciprocating sucker rod. A pump includes a cylindrical housing connectable to the tubing and connected to a pump barrel; a piston rod connected to a piston dispo... | 08/30/1988 |
| 4753577 | Fluid powered retrievable downhole pump A jet pump system including a pump body having a nozzle carrier, a pump housing, and a cross-over housing connected in axially alignment. A flow discharge housing extends from the cross-over housing up to near the nozzle carrier. An injector nozzle having... | 06/28/1988 |
| 4747691 | Method and apparatus for diluting and activating polymer This invention relates to a method and apparatus for diluting and activating a polymer in water. More particularly, the invention relates to the use of a stirred tank in conjunction with an aging tank that allows the polymer to uncoil or become activated ... | 05/31/1988 |
| 4747830 | Anti-stick contagion free disposable hypodermic safety syringe A disposable safe hypodermic syringe. Includes a hollow barrel formed with a support collar at one end to enclose and releaseably latch a needle support member and a hypodermic needle carried by the support member. The barrel is formed at its distal secon... | 05/31/1988 |
| 4721412 | Offshore safety escape platform Emergency escape platform apparatus including an escape platform disposed in spaced apart relation from a drilling platform and joined to the drilling platform by escape bridge apparatus. Two flexible base cables are connected in tension horizontally adja... | 01/26/1988 |
| 4715149 | Steady rest for valve grinding apparatus Flow valve seat grinding apparatus incorporating an improved steady rest means. Includes a tubular drive shaft housing which houses and supports a rotatable and longitudinally movable drive shaft means. Drive shaft is connected through a flexible torque c... | 12/29/1987 |
| 4709729 | Pipe weld repair device and method for the installation thereof A pipe weld repair structure adapted to seal leaks or cracks at a weld circumferentially disposed in a pipe. Includes at least two pipe clamp segments disposed around the pipe and connected together to form complete clamp. Each clamp segment defines two i... | 12/01/1987 |
| 4653214 | One man seine A purse type seine readily operable by one person. Includes a woven purse seine, a rectangular support frame connected to the perimeter of the intake opening, and an elongated operating handle connected to the upper side of the frame at a selected angle p... | 03/31/1987 |
| 4640782 | Method and apparatus for the generation and utilization of ozone and singlet oxygen A method and apparatus to kill pathogens with ozone and singlet oxygen. Includes steps of providing a reaction chamber, establishing an elevated electrical force field in the reaction chamber and moving a gas containing normal oxygen (O2) throu... | 02/03/1987 |
| 4635429 | Windrow yard rake An improved windrow yard rake useful for the raking of leaves, garden debris and the like. The rake has an adjustable drawbar to allow for the angling of the partially cylindrical main rake body so that the accumulated debris will circulate to the outermo... | 01/13/1987 |
| 4636308 | Method and apparatus for reclaiming drilling fluids from undesirable solids in a drilling operation A method and apparatus for use in a well drilling operation where drilling fluids are used and recycled. More particularly, it relates to novel method and apparatus for reclaiming valuable drilling fluids otherwise discarded with solids.... | 01/13/1987 |
| 4635319 | Skinning device An animal skinning device including opposing sets of pointed skin grasping teeth mounted in teeth carrier members mounted at the ends of elongated jaw members. Jaw members are connected through a pivot to move from an open position into a forceful biting ... | 01/13/1987 |
| 4634535 | Drilling mud cleaning method and apparatus A mud slurry cleaning method including steps of distributing a mud slurry across an inclined primary separation screen, vibrating the primary screen through selected movement, cycle and frequency to screen out the liquid and selected particles, concurrent... | 01/06/1987 |
| 4629888 | Well logging tool for hot well bores Apparatus for insulating enclosed electronic devices against damaging temperatures when used in deep, hot well bores. Includes a first vacuum chamber insulating means defined by outer casing of well-logging tool and inner casing. First vacuum chamber defi... | 12/16/1986 |
| 4611656 | Protective jacket assembly A crush and abrasion resistant, sealed, impervious, flexible protective jacket assembly for oil and gas wells containing a plurality of electrical and/or fluid conductors that are oriented in linear, spaced, parallel relation. A pair of elongated protecti... | 09/16/1986 |
| 4610112 | Apparatus for grinding and/or reconditioning plane, annular surfaces An apparatus and method for the grinding and reconditioning of valve seats utilizing adjustable, rotatable satellite grinding wheels to change the diameter of the annular surface defined by the grinding action to match that of the valve, or the faying rin... | 09/09/1986 |
| 4609459 | Fitted filter member A filter apparatus having a hollow, T-shaped body, the upper portion of the "T" defining a fluid flow path and the lower portion of the "T" defining a filter housing portion. A baffle plate is positioned in the "T" to direct fluid into a filter element re... | 09/02/1986 |
| 4607469 | Seal for water proofing a utility line conduit and a method of forming the seal A method of and apparatus for sealing tubular conduits carrying one or more utility lines provided therein that do not totally displace the void is disclosed. The method and apparatus include spacing a plurality of dams along the axis of the conduit and d... | 08/26/1986 |
| 4602903 | Anti-theft safety nut An anti-theft nut for forward threading on a threaded member and having removal preventing means. The nut has a nut case with an axially extending skirt and two axially extending blind bores, and a bottom nut attached to the skirt to define and inner cavi... | 07/29/1986 |
| 4601253 | Offshore boarding apparatus This invention relates generally to an apparatus for boarding or leaving an offshore structure or ship safely. More particularly, the invention relates to a swing beam and flexible ladder to replace the current method for boarding an offshore structure.... | 07/22/1986 |
| 4598505 | Flashing member A flashing member having a two leg construction, such member being adapted for use between the ends of corrugated roof panels adjacent to the open space below ridge type ventilators and the base of the ventilator in its resting position at the ridge of a ... | 07/08/1986 |
| 4592291 | Sewage treatment method and apparatus Method and apparatus for treating sewage to reduce total solids content. Involves separating sewage sludge from sewage liquid, dewatering and compressing the sludge, subjecting the sludge to microwave radiation to reduce sludge to ash-like residue, and ad... | 06/03/1986 |
| 4588235 | Refrigerator door structure An improved refrigerator door structure, the mounting frame and door thereof being fabricated of fiberglass, fiberglass reinforced thermoplastic, or other lightweight material. An innermost and an outermost glass pane are sealably mounted within the door ... | 05/13/1986 |
| 4577895 | Pipe joint having pressure activated sealing means A joint for interconnecting a pair of pipes having two-step Hydril-type connection means disposed thereupon. A secondary sealing means is disposed on the pin member connection means within a thread groove which forms part of the seal housing along with pi... | 03/25/1986 |
| 4576401 | Leak repair clamp A leak repair clamp for pipe and pipe flanges includes a frame having a plurality of one piece frame segments positionable in end-to-end relationship around the pipe. Each segment includes a pair of spaced apart metal lips which are adapted to form a meta... | 03/18/1986 |
| 4573043 | Safe guarded lockable container, particularly for transporting money and securities Alarm producing apparatus for safeguarding a container carried by a messenger including a time countdown system and a status detection system assuring that container and messenger remain together. Countdown time is set sufficiently to allow normal deliver... | 02/25/1986 |
| 4571296 | Two stage desilter An integrated and transportable two stage drilling mud desilting apparatus in combination. Includes a first-stage mud inlet manifold, a second-stage inlet manifold, and a mud outlet manifold all mounted together as part of a separator body. Has a second-s... | 02/18/1986 |
