Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7395673 | Device for creating a reference humidity A device for creating a reference humidity that includes a saturation chamber and a condensate cooler in fluid communication with the saturation chamber and arranged downstream of the saturation chamber, wherein the condensate cooler is a fin-type condenser whose ar... | 07/08/2008 |
| 7275737 | Device for simultaneously cooling and removing liquid from a gas from a compressor Device for simultaneously cooling and removing liquid from compressed gas of a compressor element (1) or of several compressor elements (1) which are connected either or not in parallel or in series, which device includes a pressure vessel (2) w... | 10/02/2007 |
| 7269966 | Heat and mass exchanger A mass and heat exchanger includes at least one first substrate with a surface for supporting a continuous flow of a liquid thereon that either absorbs, desorbs, evaporates or condenses one or more gaseous species from or to a surrounding gas; and at least one secon... | 09/18/2007 |
| 7264234 | Gas humidifier In a gas humidifier used for humidifying fuel in a molten carbonate fuel cell (MCFC), a small-size gas humidifier is achieved by carrying out a steam-generating process and a gas humidifying process by the use of the steam by using a single unit. In order to achieve... | 09/04/2007 |
| 7261282 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 08/28/2007 |
| 7163051 | Heat exchanger distributor for multicomponent heat exchange fluid A heat exchanger distributor which facilitates homogeneous flow of a two phase multicomponent heat exchange fluid, such as a refrigerant fluid, comprising a plurality of spaced dividers, extending longitudinally through some or all of the length of the finned sectio... | 01/16/2007 |
| 7121535 | Horizontal reaction chamber comprised of nested, concentric tubes for use in water purification The present invention includes a horizontal foam fractionation protein skimmer for removing organic waste material (dissolved organic compounds) from organic loaded water. The protein skimmer includes a horizontal reaction chamber connected to a foam collection cham... | 10/17/2006 |
| 7104526 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 09/12/2006 |
| 6883595 | Heat exchange method and apparatus An apparatus for use in a counter flow heat exchange assembly that provides increased heat exchange. The apparatus includes a plurality of adjacently spaced arrays, each array having a plurality of cooling conduits that are connected to one another through the utili... | 04/26/2005 |
| 6871844 | Humidifier A humidifier for fuel cells includes a housing with a heat-exchange plate formed therein, the plate defining first and second gas passages having gas inlets and outlets, respectively; a plurality of apertures formed on the plate; and a plurality of reservoirs fixed ... | 03/29/2005 |
| 6863268 | Dew point humidifier (DPH) and related gas temperature control A method of humidifying gases to 100% relative humidity and a humidifier to carry out such a method are provided to humidify gases for fuel cells and for other applications. The humidification of gases is thermally controlled and thermal energy is managed to provide... | 03/08/2005 |
| 6849189 | Horizontal reaction chamber comprised of nested, concentric tubes for use in water purification The present invention includes a horizontal foam fractionation protein skimmer for removing organic waste material (dissolved organic compounds) from organic loaded water. The protein skimmer includes a horizontal reaction chamber connected to a foam collection cham... | 02/01/2005 |
| 6820864 | Fuel vaporization promoting apparatus and fuel carburetion accelerator Atomization and vaporization of spray in a fuel supply system is promoted at the time of cold startup and the amount of fuel depositing on the inner wall of the intake manifold is reduced, thereby ensuring improved startability of an internal combustion engine of a ... | 11/23/2004 |
| 6748759 | High efficiency heat exchanger A heat exchanger for a medium condenser having a plurality of vertical cooling fins having extra length extended both upwardly and downwardly from an ordinary portion of medium coil path for greatly increasing the cooling efficiency thereof, and a drip-drop type wat... | 06/15/2004 |
| 6578831 | Carburetor arrangement The invention is directed to a carburetor arrangement in a housing (1) and especially in the housing of a work apparatus such as a motor-driven chain saw or like portable handheld work apparatus. An engine (2) is mounted in the housing (1) and has an inle... | 06/17/2003 |
| 6554261 | Humidifier A humidifier includes a housing that accommodates bundles of a large number of water permeable hollow fiber membranes arranged along the longitudinal direction of the housing. Two different gasses having different moisture contents pass through outside an... | 04/29/2003 |
| 6446942 | Cooling tower A cooling tower has cooling tubes fitted to a water tank with upper portions sticking out from a top side of the tank. The upper portions of the cooling tubes have radiating fins. A frame is disposed on the top of the tank with aerosols being fitted to an... | 09/10/2002 |
| 6435484 | Absorber An absorber having a shell, wet tubes and cooling fluid supply and collection portions. Partition walls divide the shell into at least three zones. The wet tubes are disposed parallelly in the shell, passing through the partition walls. The opposite open ... | 08/20/2002 |
| 6383671 | Gas humidification device for operation testing and evaluation of fuel cells The present invention provides a method and apparatus for the humidification of gas streams, such as reactant gas streams for fuel cells, wherein the specific water evaporation rate, gas delivery temperature, and degree of gas humidity may be adjusted and... | 05/07/2002 |
| 6362367 | Preparation of organic acids This invention relates to a process for producing one or more organic acids in high purity which process comprises (i) oxidizing in a liquid oxidation reactor one or more organic liquids with essentially pure oxygen or oxygen-enriched air containing at le... | 03/26/2002 |
| 6332601 | Liquid vaporizers for semiconductor processing systems The present invention provides for improved liquid vaporizer systems and methods for their use. Vaporizer systems of the present invention are likely to be particularly useful for the vaporization of liquids having a relatively low vapor pressure, such as... | 12/25/2001 |
| 6179277 | Liquid vaporizer systems and methods for their use The present invention provides for improved liquid vaporizer systems and methods for their use. Vaporizer systems of the present invention are likely to be particularly useful for the vaporization of liquids having a relatively low vapor pressure, such as... | 01/30/2001 |
| 6032932 | Packing grates for wet gas scrubber and other applications A contacting grate or panel for mass transfer or heat exchange comprising a substantially rectangular supporting framework having two connecting frame members extending along opposite side edges and a number of elongate supporting frame members extending ... | 03/07/2000 |
| 5942164 | Combined heat and mass transfer device for improving separation process A two-phase small channel heat exchange matrix simultaneously provides for heat transfer and mass transfer between the liquid and vapor phases of a multi-component mixture at a single, predetermined location within a separation column, significantly impro... | 08/24/1999 |
| 5927097 | Evaporative cooler with improved contra flow heat exchanger A contra flow air to air heat exchanger, and an evaporative air conditioner employing such a heat exchanger, wherein the heat exchanger (10) utilises a series of stacked plates (24), each having curved deep groove corrugations which form channels (27) wit... | 07/27/1999 |
| 5925164 | Finshield assemblies for fiber-forming apparatus A heat-absorbing finshield assembly, which is located adjacent the discharge area of a furnace for producing glass fibers, includes fins spaced along a fluid-cooled manifold such that the fins extend between, but not in contact with, the molten glass fibe... | 07/20/1999 |
| 5846498 | Reactor system A shell and tube heat exchanger reactor with forced circulation is used to improve heat and mass transfer for exothermic liquid-liquid, gas-liquid and gas-liquid-solid reactions. Enhanced productivity and selectivity are obtained.... | 12/08/1998 |
| 5766519 | Locally cocurrent globally crosscurrent pressure equalized absorber and process An absorber for absorbing a vapor into a sorbent liquid comprised of a sequential plurality of highly effective and intensified locally cocurrent sorptions, but with non-cocurrent flow of vapor and liquid between the individual sorptions. The structure co... | 06/16/1998 |
| 5704417 | Perforated fin heat and mass transfer device A fluid heat exchange apparatus is disclosed that can be used as an absorber in an absorption cooling system. The compact absorber design uses an accordion fin assembly to direct solution downward through the absorber on a plurality of alternatively angle... | 01/06/1998 |
| 5431736 | Method for transforming a liquid flow into a gas flow and a device for implementing the method Method and device which is to be used for the implementation thereof for transforming a liquid flow into a gas flow, whereby the liquid flow is led into a space in which the liquid evaporates and the vapour which thus arises is carried off mixed with a ca... | 07/11/1995 |
| 5421895 | Apparatus for vaporizing liquid raw material and apparatus for forming thin film An apparatus for vaporizing a liquid raw material comprises a nozzle with an open tip end for ejecting a liquid raw material into a heated gas atmosphere as liquid droplets and a heated plate with a small opening disposed in front of the nozzle, a space o... | 06/06/1995 |
| 5383970 | Chemical vapor deposition method for forming a deposited film with the use of a liquid raw material and apparatus suitable for practicing said method A chemical vapor deposition method for forming a deposited film on a substrate using a film-forming liquid raw material in which said film-forming liquid raw material is pulverizing into liquid fine particles and said liquid fine particles are heated toge... | 01/24/1995 |
| 5366667 | Trickling film gas-liquid contactor and use A contactor for the transfer of matter and heat between gas and liquid comprising a helical support of heat conductive material allowing the flow of a liquid to be treated, a wall of heat conductive material and in thermal contact with the said support, s... | 11/22/1994 |
| 5140966 | Carburetor for an internal combustion engine Carburetors and fuel injection systems are used to facilitate a combustile mixture of air and fuel for internal combustion engines. Inherently, the fuel in this mixture is mostly in liquid droplets. However, it is the vaporous fuel which combines with the... | 08/25/1992 |
| 4984623 | Electrode water circulation and processing system and hooded radiator for water rheostat An electrode water circulation pump and a plurality of air and water cooling radiators are provided in an electrode water cooling and circulation passage line which is for feeding and draining a prescribed quantity of electrode water so that the temperatu... | 01/15/1991 |
| 4964977 | Cross-flow type cooling tower A cross-flow type cooling tower comprises a cooling tower main body, a water tank placed at the upper part of the main body, a plurality of closed type heat exchanging units arranged in the main body in substantially horizontal manner and in parallel to e... | 10/23/1990 |
| 4805553 | Apparatus for bailout elimination and for enhancing plating bath stability in electrosynthesis/electrodialysis electroless copper purification process A forced air, ambient temperature, evaporator coupled to an electroless copper plating bath and to a purification system for replenishing and maintaining the stability of the plating bath, which bath tends to become depleted as the result of the reduction... | 02/21/1989 |
| 4788020 | Method for effecting mass transfer Apparatus for effecting mass transfer between liquid and gas phases includes a chamber having a tube bundle therein comprised of a plurality of spiral fluted tubes maintained in upstanding relation by transverse tube sheets. Relatively short tubular inser... | 11/29/1988 |
| 4758385 | Plate for evaporative heat exchanger and evaporative heat exchanger A plate for an evaporative heat exchanger is stamped from a laminate material comprising a thin sheet of light-weight, heat conductive, formable metal such as aluminum superimposed on and attached to a thin sheet of wicking material. Stamping the laminate... | 07/19/1988 |
| 4753758 | Respiratory humidifier A humidifier assembly is disclosed. The humidifier assembly includes a housing, a heater in the housing, a hollow shell on the housing, a partition wall within the shell, and a liquid water inlet that is unitary with the hollow shell. The heater provides ... | 06/28/1988 |
