Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7001178 | Method and apparatus for using a display associated with a dental kiln An kiln for dental restoration components is provided, and comprises an indicator having an image screen for displaying information. The image screen is provided with at least two, and in particular at least three, surface areas with which optically distinguishable ... | 02/21/2006 |
| 5967660 | Accelerated thermal fatigue testing of engine combustion chambers A method and apparatus of providing accelerated thermal fatigue testing of an engine component, comprising: (i) impinging one or more torch flames directly on a selected area of the test specimen (i.e. metallic engine cylinder head) to heat such area to a... | 10/19/1999 |
| 5857847 | Brazing furnace parts feeding control A method of controlling the feeding of part trays into a roller-hearth brazing furnace includes feeding a part tray into the furnace after the expiration of a time period. The temperatures in each heating zone of the furnace are monitored. After the expir... | 01/12/1999 |
| 5630714 | Process for controlling combustion of burners in furnace and an apparatus therefor A process for controlling combustion of burners arranged in a plurality of respective control zones divided in a furnace, includes the step of repeating a cycle of successively subjecting the burners to combustion for a short time. At least one temperatur... | 05/20/1997 |
| 5187670 | Control system for scheduling parts in a heat-treating process A control system for heat-treating parts in a furnace structure is provided. A plurality of processing chambers, each having at least one part position, are adapted to simultaneously process a plurality of parts each for a respective predetermined process... | 02/16/1993 |
| 5072360 | Control arrangement for dental furnaces, especially microprocessor-controlled preheating furnaces A control arrangement for dental furnaces, especially microprocessor-controlled preheating furnaces or ovens with controlled heating and with limited rate in the rise of the heating temperature. The control arrangement for dental furnaces implements the temper... | 12/10/1991 |
| 5003160 | Reflow furnace control system A reflow furnace control system is contemplated to give an optimum time-temperature profile of an object intended to be heated. The object is carried on a conveyor to move along a conveyor path in the reflow furnace during which it is heated by heaters di... | 03/26/1991 |
| 4983811 | Auxiliary electronic temperature control system for oven An auxiliary control system for an oven or similar device that is separate from the primary control circuitry and operates independently when the condition occurs that could be hazardous or unsafe. The control acts to prevent the temperature of a known po... | 01/08/1991 |
| 4897526 | Kiln automatic power level switching and display mechanism A kiln firing cycle controller is disclosed which automatically cycles a hobbyist kiln through its low, medium, and high power level phases. The exemplary embodiment includes a control panel having a firing cycle initiating control knob. Manipulation of t... | 01/30/1990 |
| 4737103 | Fresh air monitoring and controls relating thereto There is disclosed an environmental control system for a large volume structure (one horizontal dimension of at least 60 feet) having an air tempering unit including a horizontal cylindrical duct of about three feet diameter with an axial flow propeller f... | 04/12/1988 |
| 4730101 | Apparatus and method for controlling the temperature of a furnace A microcomputer control system for a furnace is disclosed which provides accurate control of the temperature of the furnace such that the temperature can be quickly increased to a predetermined desired temperature without overshooting the desired temperat... | 03/08/1988 |
| 4705930 | Heating control apparatus A heating control apparatus for exciting the heating element of a kiln or the like. The heating control apparatus includes an interval timer that produces a pulse of electricity having a predetermined duration of time, a fixed timer adapted to open and cl... | 11/10/1987 |
| 4688180 | Pattern-switching temperature control apparatus An apparatus controls the temperature of a multi-zone furnace based on a given temperature distribution pattern, which pattern is automatically switched zone by zone while considering inter-zone thermal interferences as the work being heat-treated is chan... | 08/18/1987 |
| 4609346 | Environmental control system for large volume structures There is disclosed an environmental control system for a large volume structure (one horizontal dimension of at least 60 feet) having an air tempering unit including a horizontal cylindrical duct of about three feet diameter with an axial flow propellor f... | 09/02/1986 |
| 4480992 | Method of heating a furnace A heat-treatment furnace for thermally treating materials such as iron or steel products therein has a plurality of burners selectively actuable in different combinations at successive stages of a predetermined combustion control pattern or one of such pa... | 11/06/1984 |
| 4445848 | Asphalt reclamation system and unit A unit for heating initially solid asphaltic material to provide asphaltic concrete in a condition suitable for application. The unit is operated to heat initially cold material to a temperature between 275° and 300° F. and to maintain it at that temper... | 05/01/1984 |
| 4425930 | Fluid flow control apparatus and method Apparatus and a method for controlling the flow of a fluid to a fluid-actuated system. The system is controlled by a sensor which senses a variable characteristic of the system, such as the air temperature. The apparatus includes a pair of solenoid valves... | 01/17/1984 |
| 4354828 | Method and apparatus for producing uniformly baked anodes A method and apparatus for automatically controlling a carbon bake furnace to thereby reduce uniformly baked anodes is disclosed. In its method aspects, the invention contemplates the use of flue and pit temperatures to produce a control signal to operate... | 10/19/1982 |
| 4338077 | Method for controlling temperature of multi-zone heating furnace This invention relates to a method of controlling the temperature of a heating furnace which has at least one furnace zone capable of being controlled by heating means and which conveys materials to be heated, that are introduced thereinto, by conveyor me... | 07/06/1982 |
| 4313723 | Apparatus for producing carbon black In a carbon black manufacturing process in which a carbon black dryer is utilized to produce a product carbon black having a specified dryness, method and apparatus is provided for controlling the flow of fuel to the carbon blackdryer so as to insure that... | 02/02/1982 |
| 4239483 | Method of controlling steel strip temperature in continuous heating equipment A method of controlling steel strip temperature in a process of continuously heating steel strip in heating equipment having a preheating zone and a rapid-heating zone. The preheating zone has a number of gas-injecting preheating units that can be individ... | 12/16/1980 |
| 4223385 | Control of workpiece heating The present control system and method for a slab heating furnace is operative in relation to a predicted travel time of a theoretical control slab in the charge zone of the furnace and a predicted travel time of a theoretical control slab in the heat zone... | 09/16/1980 |
| 4208181 | Liquid metering and distribution arrangement for rotary reactor Flow control valves are mounted with corresponding axial rows of nozzles about the periphery of a rotary kiln. A metering cylinder is mounted on the kiln and rotates therewith. A piston member is moveable in the metering cylinder in alternately opposite d... | 06/17/1980 |
| 4145179 | Combustion control system A combustion control system applicable universally to various types of combustion apparatus operating with different control timing and different fuel is disclosed. The combustion control system includes a data selector circuit, a control circuit, and a c... | 03/20/1979 |
| 4095645 | Linear uniform heat wrap control A heat wrap control for a preheater in a paperboard corrugator adjusts the amount of wrap of a moving web about a heated drum as a linear function of web speed to effect uniform heat transfer to the web.... | 06/20/1978 |
| 4092094 | Method and apparatus for the controlled distribution of powdered solid fuel to burning units Both method and apparatus are disclosed for controlling the distribution of powdered solid fuel to one or more burners. The powdered solid fuel is caused to pass downwardly through an air current passing from an air inlet to one or more outlet ports. The ... | 05/30/1978 |
| 4022569 | Calcination of coke In the calcination of petroleum coke or the like in a rotary kiln, utilizing controlled air supply intermediate the ends of the kiln to burn removed volatiles and thereby generate all or nearly all of the heat required, highly effective control procedure ... | 05/10/1977 |
| 4004138 | Method of and system for controlling temperature of continuous furnace A method of and system for controlling the temperature of a continuous furnace through which steel bodies are transported at a constant speed, in which the temperature is controlled so as to keep the distance from the entry port of the furnace to a positi... | 01/18/1977 |
| 4001557 | Stored program digital process controller A digital process control function generator wherein a timing clock, in conjunction with programmable read only memories controls variables in a process with respect to time.... | 01/04/1977 |
