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."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7347007 | Low pressure high capacity dryer for resins and other granular and powdery materials A vacuum dryer and method for drying granular or powdery material including at least one canister for holding said material being movable among a series of locations including material heating and vacuum drying locations, means for moving said canister among said lo... | 03/25/2008 |
| 7234247 | Low pressure dryer A low pressure dryer for granular or powdery material includes a plurality of canisters rotatable about a common vertical axis serially among material heating, vacuum drying and material inventory discharge positions; pneumatic piston-cylinder means for rotating the... | 06/26/2007 |
| 7232076 | Water spreading in evaporative coolers A water spreader arrangement for use in an evaporative air cooler in which the spreader includes an inlet leading to generally vertical projections disposed over several levels. The projections are adapted to divide a single stream of water entering the inlet into m... | 06/19/2007 |
| 7121713 | Swinging agitator for a gypsum calcining apparatus and the like An agitation mechanism for a gypsum processing apparatus which includes a housing having a bottom wall, and at least one side wall. The housing can be constructed and arranged to receive and process gypsum-based products. An agitator frame having a similarly shaped ... | 10/17/2006 |
| 6926522 | Method and apparatus for preheating particulate material An apparatus for preheating particulate material in which the particulate material is transferred from one or more upper storage bins to a circular lower chamber that has an outer, essentially annular, portion which serves as a gas flow passage. The particulate mate... | 08/09/2005 |
| 5927968 | Apparatus for continuous refractoryless calcining of gypsum A method and apparatus is disclosed for the continuous calcining of gypsum material in a high-efficiency, refractoryless kettle preferably heated by a multiple series of separate immersion tube burner coils, each coil operating within a specific calcining... | 07/27/1999 |
| 5743954 | Method for continuous refractoryless calcining of gypsum A method and apparatus is disclosed for the continuous calcining of gypsum material in a high-efficiency, refractoryless kettle preferably heated by a multiple series of separate immersion tube burner coils, each coil operating within a specific calcining... | 04/28/1998 |
| 5723846 | Multiprobe intelligent diagnostic system for food-processing apparatus A multiprobe diagnostic system for a cooking appliance using one or more heating elements, one or more error-detecting temperature sensors located near the heating element(s), one or more control temperature sensors spaced away from the error-detecting te... | 03/03/1998 |
| 5702246 | Shaft furnace for direct reduction of oxides A shaft furnace for reduction of oxides includes a shaft member having an oxide inlet and defining a pre-heating and pre-reducing zone downstream of the oxide inlet, a reducing zone downstream of the pre-heating and pre-reducing zone a transition zone dow... | 12/30/1997 |
| 5683241 | Apparatus for heating bottle caps A method and apparatus for heating a plurality of bottle caps simultaneously. The apparatus comprises a housing with an air blower, resistance heaters and a thermocouple positioned within its interior. Air blown through the interior is heated by resistanc... | 11/04/1997 |
| 5525196 | Process for producing formed activated coke An improved process for producing a formed activated coke for simultaneous desulfurization and denitrification, which includes passing a ground coal through a tubular or cylindrical carbonization retort by using a hot gas stream, to subject the coal to pr... | 06/11/1996 |
| 5291876 | Feed hopper for providing preheated aggregate material An apparatus for feeding preheated aggregate material, such as for the production of asphalt. A feed hopper includes a heater within its interior and positioned adjacent a slotted discharge opening at the lower end of the hopper. A tent-like cover is posi... | 03/08/1994 |
| 5236353 | Vertical combustion furnace A vertical resistive combustion furnace having a vertically oriented combustion zone in which first and second coaxially aligned tubes depend. The first tube is open at one end and closed at the other. The second tube is open at one end and partially clos... | 08/17/1993 |
| 5162275 | Low temperature kiln carbon reactivation Particulate carbon is reactivated by heating it for an effective reactivation time at a reactivation temperature in a stationary vertical annular heating zone of an unlined metal kiln.... | 11/10/1992 |
| 5118288 | Cement advanced furnace and process A suspension shaft furnace and process for producing clinkers from discrete pellets of cement-forming batch materials, the furnace having a top vertical shaft section comprising a pellet-feeding and preheating zone, an intermediate fluidized bed section c... | 06/02/1992 |
| 5108461 | Process for producing ceramic powders Conventional presintering and reaction presintering processes for the production of ceramic powders yield products exhibiting an undesired primary particle size distribution along with localized distribution of impurities, which give rise to the formulati... | 04/28/1992 |
| 5057010 | Furnace for heating process fluid and method of operation thereof A method of operating an industrial furnace, the steps that include providing a process heating zone containing heat exchange tubing for flowing process fluid through the zone; providing first and second fuel combustion zones, and first and second heat re... | 10/15/1991 |
| 4975046 | Cement shaft suspension furnace and process Process and furnace for producing clinkered cement pellets from pellets of cement-forming batch materials without melting, fusion and agglomeration of said pellets. The furnace comprises an elongate vertical suspension shaft having top, intermediate and b... | 12/04/1990 |
| 4850861 | Apparatus for conductive drying loose The apparatus includes a housing 1 accommodating inner and outer tubes 2 and 4, respectively, arranged concentrically relative to each other. Lower ends of the tubes 2 and 4 are connected by a flange 15 to a disk-type feeder 14 the flange and feeder havin... | 07/25/1989 |
| 4617744 | Elongated slot dryer for wet particulate material An elongated slot dryer is disclosed for drying wet solid particulate material. The slot dryer is constructed in the form of a trench with at least one aperture outlet at the bottom of the trench formed by two non-connecting walls. The wet particulate mat... | 10/21/1986 |
| 4502229 | Grain dryer The grain dryer of the present invention includes a housing having two spaced apart vertical partitions therein which divide the housing into a central compartment, a front compartment and a rear compartment. Air intake openings are provided in the two ve... | 03/05/1985 |
| 4494930 | Shaft furnace for heat treatment of finely dispersed materials A shaft furnace for heat treatment of finely dispersed material has a casing of rectangular cross section with a hopper built into a cover thereof. The top of the casing accommodates pipes for drawing off resultant gases. The casing also houses two groups... | 01/22/1985 |
| 4481724 | Device for drying and preheating coking coal In order to preserve the quality of treated coking coal, the drying and preheating operation is performed in consecutive stages. For this purpose, a set of superimposed containers is provided with vertically oriented pipes for a heating medium, the pipes ... | 11/13/1984 |
| 4462870 | Low temperature kiln Particulate carbon is reactivated by heating it for an effective reactivation time at a reactivation temperature in a stationary vertical annular heating zone of an unlined metal kiln.... | 07/31/1984 |
| 4455282 | Electric furnace for continously heating and regenerating spent activated carbon A furnace for heating particulate material comprises an air-tight shell and a heat insulating lining which define a hollow shaft. Electrical resistance heating elements spaced along the length of the hollow shaft adjacent the insulating lining. A baffle s... | 06/19/1984 |
| 4379692 | Method of drying and preheating moist fine material and apparatus for carrying out the method A preheating moist fine material, such as pit coal and lignate, peat, wood, oil shale, or even ores or limestone for cement production, and an apparatus for carrying out the method are disclosed. Moist fine material is mixed above a heater with predried a... | 04/12/1983 |
| 4341516 | Grain dryer with heat exchange assembly In accordance with the present invention, a grain dryer having a heat exchange assembly is provided. The grain dryer comprises a housing and a generally vertical granular-material conduit for conducting granular material through the housing. The heat exch... | 07/27/1982 |
| 4337031 | Preheating apparatus An apparatus for preheating particulate material in which the particulate material is transferred from an upper storage bin to a lower annular flow passage by a plurality of connecting chutes and the particulate material is preheated in the annular flow p... | 06/29/1982 |
| 4318691 | Furnace for expanding mineral ores A high temperature furnace adapted to expand mineral ores such as vermiculite, perlite and the like. The furnace preferably includes an upright, vertically oriented frame adapted to support an elongated furnace tube into which mineral ore is delivered for... | 03/09/1982 |
| 4238238 | Calcining kettle having means for returning stack exhaust gas to calcining mixture A calcining apparatus comprising a kettle, a heating chamber for heating the outside of the kettle, a stack for exhausting gas from the heating chamber, a duct connected at one end to the stack and having the other end extending for a limited distance int... | 12/09/1980 |
| 4221560 | Apparatus for regeneration of wet spent active carbon The present invention provides an apparatus for the regeneration of wet spent active carbon devised so as to bring the active carbon supplied from a hopper into contact with a reaction gas generated or heated to high temperature in a furnace, wherein an e... | 09/09/1980 |
| 4212850 | Method for the calcining of lime This invention relates to a countercurrent combustion method and apparatus for the production of calcined lime in a furnace which contains, in sequence, at least one preheating zone, combustion zone, and a cooling zone. The entire combustion air is passed... | 07/15/1980 |
| 4207061 | Top-shaped lime kiln In a top-shaped lime kiln which comprises a slowly rotatable platter-shaped kiln bed having a cylindrical calcined lime-cooling chamber extending downward for connection to the central opening of said kiln bed; an immovably hung round lid having a fuel co... | 06/10/1980 |
| 4205459 | Apparatus for regenerating an adsorbent In regenerating an adsorbent by eliminating water and an adsorbed matter which are contained therein, the adsorbent is indirectly heated while descending within a drying furnace and is indirectly heated while ascending within a regenerating furnace in ord... | 06/03/1980 |
| 4165216 | Continuous drying and/or heating apparatus This invention comprises an apparatus and process for drying and/or heating materials. This invention was designed for use in the production of charcoal from wood feed material; however, it can be used to heat and/or dry many types of materials. Feed mate... | 08/21/1979 |
| 4161390 | Calcining kettle having multi-pass heating system A calcining apparatus comprising a kettle, a heating jacket surrounding the kettle defining a heating chamber, vertical baffles dividing said heating chamber into a plurality of chambers, and a plurality of horizontally disposed heating flues communicatin... | 07/17/1979 |
| 4153035 | Flame breaker for industrial furnace heating element In a generally elongated tubular burner heating element for the furnace chamber of an industrial furnace there is provided within the heating element at an end thereof opposite the end at which the burner is located a flame breaker assembly arranged to ex... | 05/08/1979 |
| 4120644 | Apparatus for regeneration of spent active carbon The present invention provides a double-cylinder type apparatus for the regeneration of active carbon, which comprises a heating furnace provided with at least one burner and at least one annular regeneration chamber composed of at least one set of an inn... | 10/17/1978 |
| 4008994 | Apparatus and method for regeneration of spent wet active carbon The present invention provides an apparatus, and a method for the regeneration of spent wet active carbon, which apparatus comprises a drier for substantially drying the spent carbon, a heating furnace provided with at least one burner and at least one du... | 02/22/1977 |
| 4007014 | Activated carbon revivification equipment The apparatus comprises an outermost, an intermediate, and an innermost compartment, the outermost compartment being provided with burners, activated carbon being supplied into, treated in, and removed from the intermediate compartment, and there being co... | 02/08/1977 |
