Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7363866 | Control system for a waste processing apparatus A control system for a waste processing apparatus controls entry of a predetermined quantity of waste into the processing chamber via air lock whenever the level of waste in the chamber has fallen sufficiently to accommodate the new waste, and this is detected by a ... | 04/29/2008 |
| 7114612 | Method and apparatus for treating a layer of bulk material The invention includes a method and apparatus for treating, in particular cooling, a layer of bulk material by means of a stream of gas passed through it on a grate. The grate includes a plurality of elongated planks which extend in a conveying direction and are dri... | 10/03/2006 |
| 6918755 | Fuel-fired burner with skewed electrode arrangement A fuel-fired burner for use with an emission abatement device comprises a pair of electrodes. Each electrode comprises an arc-contact rod to generate an electrical arc therebetween. ... | 07/19/2005 |
| 6338306 | Ash handling system An apparatus and method is provided for discharging ash from a plurality of fossil-fuel boiler hoppers through actuator opened gate valves by opening only selected gate valves during a given discharge cycle and bypassing other hoppers. The time required t... | 01/15/2002 |
| 6055915 | Wood residue disposal system A method of wood waste disposal which regulates factors such as the amount of wood residue being fed to an incinerator at any given time so that wood residue from a mill is processed promptly and efficiently without compromising the efficient operation of... | 05/02/2000 |
| 5967064 | Roller grate A roller grate arrangement for garbage-incinerating plants, in which a plurality of rollers with horizontal and parallel axes lie in an inclined plane. Primary air is fed to interiors of the rollers by air boxes located below the grate. The rollers have s... | 10/19/1999 |
| 5579704 | Apparatus for disposing of refuse by thermal oxidation A unit for disposing of refuse and contaminants by thermal oxidation includes a housing having a bottom, side walls and a top disposed in surrounding relation to an interior thereof. A partial wall structure divides the housing interior to define a first ... | 12/03/1996 |
| 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 |
| 4856984 | Time-delay for automatic reset of furnace Automatic reset for an unattended gas furnace has an induced draft blower motor energized by an electrical power source and with a first, normally "open", relay switch in circuit to control the operation of the blower motor. A burner control circuit, ener... | 08/15/1989 |
| 4750435 | System for detecting slag level in a solid fuels gasification reactor The invention is a system for detecting the level of slag in a solid fuels gasification reactor. In this invention a pokerod is extended into the quench chamber of the reactor, and pulled back to a retract position, in a timed sequence. The timed sequence... | 06/14/1988 |
| 4615282 | Hot surface ignition system control module with accelerated igniter warm-up test program A control module in a hot surface ignition system includes a microcomputer programmed to provide a pre-selected igniter warm-up time period for enabling the igniter to heat up to gas ignition temperature during normal system operation, and is further prog... | 10/07/1986 |
| 4519323 | Velocity controlling apparatus and method to be used with a stoker type burning apparatus The present invention relates to a velocity controlling apparatus and method to be used with a stoker type burning apparatus on a refuse incinerator which moves refuse successively by reciprocating motion of movable fire grates. The movable fire grates, w... | 05/28/1985 |
| 4495873 | Incinerator for burning odor forming materials The incinerator is made up of an inner housing located within an outer housing and which have spaced apart walls forming an interior space therebetween. The inner and outer housings have aligned upper openings with insulated closure members. A central cha... | 01/29/1985 |
| 4313387 | Method and apparatus for controlling a solid fuel burning furnace A method and apparatus for controlling the burning of a solid fuel furnace is disclosed. In a furnace having a burning chamber, a fuel supply mechanism in the form of a rotating grate, a fuel discharge mechanism in the form of a rotating grate located adj... | 02/02/1982 |
| 4201187 | Modular solid fuel furnace system A solid fuel burning system which may be readily combined with a conventional fluid fuel burning furnace in a forced air heating system. The solid fuel burning system comprises, in combination, a draft inducing blower which directs air for combustion into... | 05/06/1980 |
| 3965828 | Waste feeding apparatus for incinerator Apparatus for feeding waste material including pathological or highly infectuous waste into an incinerator combustion chamber through an access opening in the top thereof and being characterized by a construction which substantially prohibits the escape o... | 06/29/1976 |
