Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 7220381 | Method for high pressure treatment of substances under controlled temperature conditions A product carrier for use in pressure processing substances is substantially fluidically closed, and is insulated, to prevent heat transfer from the product being treated to the cooler wall of the pressure vessel. The insulating material has compression heating prop... | 05/22/2007 |
| 7188434 | Molecular filter dehumidification apparatus and plant A dehumidification apparatus including an outer tubular container (2) closed at its ends, a first (5) and a second (9) transverse grids located inside the tubular container (2), one grid element being spaced from the other and from a resp... | 03/13/2007 |
| 7187855 | Device for heating liquids and assembly for use in such a device The invention relates to a device for heating liquids, comprising: a first liquid container for liquid for heating, and a heating element connected to the first liquid container. The invention also relates to an assembly for use in such a device. Such a heating devi... | 03/06/2007 |
| 6943325 | Water heater An improved water heater for use in spas, hot tubs, pools, hydrotherapy pools, bath tubs, and similar bodies of water used indoors, outdoors, or both indoors and outdoors are used for both therapeutic and recreational purposes. The water heater uses heating element ... | 09/13/2005 |
| 6928237 | Fluid heating apparatus In a fluid heating apparatus, a heat protect temperature sensor indirectly detects temperature of fluid heated by an electric heater adjacent to the electric heater. Also, a heated fluid sensor detects the temperature of the fluid adjacent to a fluid inlet of a heat... | 08/09/2005 |
| 6736598 | Pump with a heatable housing A pump, particularly for washing machines, dishwashing machines or the like, having a housing and a heating device for the continuous heating of a liquid, particularly water, is proposed, in which the heating device is constructed as the circumferential wall of the ... | 05/18/2004 |
| 6723968 | Conductive U-shaped jumper strap and method of use A conductive metal jumper strap has a plate portion with a pair of connection legs forming a u-shape. The connection legs are adapted to connect to terminals to make an electrical connection between two components of a heating device. The plate portion has a bend in... | 04/20/2004 |
| 6593554 | Method and apparatus for mounting a heater thermostat and temperature sensitive fuse A heater having an insulating terminal mounting block, a thermostat and a terminal bushing mounted to a frame. The insulating terminal mounting block supports a plurality of removable terminal members. Each terminal member has a crimping structure at one ... | 07/15/2003 |
| 6516143 | Fluid heating apparatus The fluid heating apparatus, in accordance with the present invention, developed to solve the technological problems described above is characterized by comprising at least a heating tube heating fluid to be supplied from fluid supply source, a heater sec... | 02/04/2003 |
| 6470836 | Water jacket assembly A water jacket assembly for an instantaneous gas fired water heater, the assembly including pressed profiled plates made of copper or copper coated steel, one plate being the inverted image of the other, said plates being placed together in pairs, the pai... | 10/29/2002 |
| 6433318 | Electric heater assembly with in-line thermostat A heater having a frame supporting a heater element resistance wire and an in-line thermostat. The in-line thermostat has substantially flat connection terminals or terminals, each having a though hole. A substantially flat blade connects to each thermost... | 08/13/2002 |
| 6154608 | Dry element water heater A water heater assembly (20) is disclosed. The water heater assembly includes a tubular housing (22) having an inlet, an outlet, and a channel extending between the inlet and outlet for passing water through the water heater assembly. A plurality of heati... | 11/28/2000 |
| 5882416 | Liquid delivery system, heater apparatus for liquid delivery system, and vaporizer A liquid delivery system for delivery of an initially liquid reagent in vaporized form to a chemical vapor deposition reactor arranged in vapor-receiving relationship to the liquid delivery system. The liquid delivery system includes: (a) an elongate vapo... | 03/16/1999 |
| 5872890 | Cartridge heater system A linear cartridge heater has a cylindrical heater element and an integral, concentrically-mounted current collector element positioned within a fire retardant chlorinated PVC enclosure. The enclosure includes a unitarily-molded mounting flange for sealin... | 02/16/1999 |
| 5838880 | Ground heating system A ground heating system is provided comprising an internal combustion engine which has a shaft output and an exhaust gas stream. An electric alternator/generator is driven by the shaft output of the engine. A working fluid is provided for transferring hea... | 11/17/1998 |
| 5729653 | Fluid warming system Devices and methods for heating a fluid to normothermic temperature prior to delivery of the fluid to a patient are disclosed. In one embodiment, a fluid to be warmed prior to delivery to a patient can be passed through a polymeric, flow-through chamber d... | 03/17/1998 |
| 5482685 | Deodorizing apparatus A catalyst 1 is provided in a gas passage 4 for communicating between a gas flow-in unit 12 and a gas flow-out unit 13, and the catalyst 1 is heated by a heater 2, and a temperature sensor 3 for detecting the temperature of the heater 2 is provided inside... | 01/09/1996 |
| 5371830 | High-efficiency infrared electric liquid-heater An infrared electric liquid heater includes an elongated emitter unit contained within an outer containment tube to define an annular volume through which the to-be-heated water flows. The emitter unit includes a tubular silica-composition envelope that c... | 12/06/1994 |
| 5257341 | Compact in-line thermostatically controlled electric water heater for use with dental instruments A compact, in-line electric water heater is provided for heating water to a temperature suitable for dental operations. The heater includes a cylindrical inner tube containing an electrical heater element and a cylindrical outer tube concentrically spaced... | 10/26/1993 |
| 5220637 | Method and apparatus for controllably generating smoke An apparatus and method for controllably generating smoke from a simulating smoke-generating fluid. A container holds a supply of simulating smoke-generating fluid. A generally vertically-disposed, hollow, elongated, tubular member having inside walls sur... | 06/15/1993 |
| 5206928 | Thermostat-controlled water heating device for a bidet of a water closet with damped cold water inflow A fluid heater and storage device for a bidet includes an electric heater (3) positioned inside a housing (1) in a lower portion thereof. The housing (1) has a connection side with an inlet opening (6) and an outlet opening (7) for the fluid to enter and ... | 04/27/1993 |
| 5170462 | Apparatus for supplying heated water to a bidet A cleaning water heating and supplying device comprises a tank that has a body and a cover and is divided by a partition into a heating zone in which an electric heater is provided and a reserving zone in which a detector for detecting the level of the wa... | 12/08/1992 |
| 4825043 | Electric continuous flow heater for liquid containers A continuous flow electric heater for heating liquid contained in a liquid container has a plurality of parallel tubular heating ducts (7b) each bounded by a tubular wall (ib) having upper and lower ends connected respectively to a lower inflow chamber (1... | 04/25/1989 |
| 4786782 | Electric instantaneous water heater with enhanced temperature control An instantaneous water heater with enhanced temperature control and less variation in output water temperature has an output hot water pipe extending into a heating tank through the top thereof and surrounded by a coiled sheath electric heater for heating... | 11/22/1988 |
| 4710610 | Electric resistance heater and limit switch assembly A heater and limit switch assembly, particularly useful for installation in the conditioned air duct of a rooftop air conditioner. The loop of a rigid-loop heater, mounted on a vertical plate by two parallel legs, is modified to provide an inward offset p... | 12/01/1987 |
| 4684786 | Electrically heated fuel pick-up assembly for vehicle fuel tanks An electrically heated fuel pick-up assembly insertable into a motor vehicle fuel tank for defrosting and dewaxing the fuel therein at the fuel pick-up point includes an inner tube substantially coextensive with and disposed within an outer tube in spaced... | 08/04/1987 |
| 4578565 | Combined electric heating and water inlet/outlet assembly for water heating tanks A combined heating and water inlet/outlet assembly for installation in a bottom opening of a domestic water heater tank includes a plastic mounting flange adapted to cover the opening and a plastic open-top cylindrical sleeve extending upwardly therefrom ... | 03/25/1986 |
| 4558207 | Electric fluid heater having combined heating and flow control mechanism An apparatus for heating and controlling the flow rate of a fluid which includes a fluid inlet, a chamber communicating therewith, an outlet operatively associated with the chamber and an electric resistance heating element within the chamber provided wit... | 12/10/1985 |
| 4461347 | Heat exchange assembly for ultra-pure water A heat exchange assembly for raising a process fluid, such as ultra-pure, de-ionized water, to an elevated temperature without adversely affecting the quality thereof includes coaxially-arranged inner and outer pipes, the annular space therebetween defini... | 07/24/1984 |
| 4455475 | Automatic device for quick heating of liquids, particularly water The invention relates to an automatic device for quick heating of liquids, particularly water, which device includes at least two containers having conduits for supplying cold water and provided each with heating means, a tank into which warm water is alt... | 06/19/1984 |
| 4424767 | Instant hot water heater An instant hot water dispenser has an upper plastic tank section connected to a lower brass tank section by a safety clamping arrangement which includes outturned tabs on the upper plastic tank section which interfit in notches in the brass lower tank sec... | 01/10/1984 |
| 4414464 | Electrical water heating device with improved internal circulation An electrical water heating device for use in a closed circuit heating system, such as a central heating system, includes a horizontally elongated hollow cylindrical body having a top, bottom and a pair of opposite ends. At least two electric heating elem... | 11/08/1983 |
| 4391459 | Instant hot water dispenser An instant hot water dispenser has an upper plastic tank section connected to a lower brass tank section by a safety clamping arrangement which includes outturned tabs on the upper plastic tank section which interfit in notches in the brass lower tank sec... | 07/05/1983 |
| 4390776 | Immersion heater A continuous flexible cable heater having a coil continuous conductor in a plastic casing. The conductor has uncoiled regions spaced therealong between coiled regions to permit bending at a radius less than twice the jacket outside diameter. A heater asse... | 06/28/1983 |
| 4358665 | Thermal cut-out arrangement for an electric water heater An electric water heater of the "instantaneous" type heats the water immediately before use as the water flows through a closed small volume container having a water inlet and a water outlet. An electric high wattage immersion heating element in the conta... | 11/09/1982 |
| 4286140 | Apparatus for raising a liquid to a given temperature An apparatus for raising a liquid to a given temperature and for controlling and regulating this temperature has a vertical cylindrical enclosure, a vertical tube housing a heating resistor, and a first and a second ferrule located in this order between t... | 08/25/1981 |
| 4197446 | Energy-saving device for domestic water heaters An energy saving device for use in connection with a heat-insulated storage vessel in a domestic hot-water system is disclosed. When there is no demand for hot water, water contained in the vessel is heated in an electric through-flow heater and circulate... | 04/08/1980 |
| 4164254 | Heat exchange device A heat exchange device for a heat transmission apparatus utilizing a heat carrier liquid, comprising a U-shaped tube provided with an inlet at one end and with an outlet at the other end thereof for the passage of the heat carrier liquid; a tubular casing... | 08/14/1979 |
| 4110602 | Method and apparatus for freeing a railroad tank car bottom unloading valve made inoperable by solidified fluids within it A portable apparatus for inserting into a bottom unloading valve of a railroad tank car which has been locked in an opened or partially opened position due to liquids solidifying therein. The apparatus is a portable electrical heating unit removably inser... | 08/29/1978 |
| 3999190 | Temperature control system for ink jet printer An ink jet printer has a printing head which contains at least one cavity with a discharge orifice therein for dispersing droplets of ink onto a medium for printing thereon. Means are disclosed herein for maintaining the temperature of the ink in the cavi... | 12/21/1976 |
