...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.
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 |
| 7742689 | Liquid heating apparatus and method The invention relates to an apparatus for heating an electrically conductive fluid, such as potable water, and to a method of heating the same. The heating apparatus includes a plurality of electrodes in an array, and a controller for selectively energizing the plur... | 06/22/2010 |
| 7424211 | Means for influencing the temperature of flowable media, especially of lubricants found in a lubricant system An arrangement for influencing the temperature of flowable media, especially of lubricants found in a lubricant system, has a line through which the medium flow. At least one element (11) is assigned to the line section (1, 5) for influencing the tempe... | 09/09/2008 |
| 7372002 | Fluid heating device and cleaning device using the same A washing water inlet for receiving washing water is provided on an upper surface at one end of a case main body in a fluid heating device, and a washing water outlet for feeding heated washing water to a pump is provided on an upper surface at the other end of the ... | 05/13/2008 |
| 7176421 | Straight ribbon heater A heater for heating a rigid fluid line or hose for freeze protection. The heater has a base made of an outer base layer, a middle base layer attached to the outer base layer; and an inner base layer attached to the middle base layer. The inner base layer can be unc... | 02/13/2007 |
| 7171111 | Method of heating water with rod shaped electrodes in a two-dimensional matrix An improved scheme for dissociating water into hydrogen and oxygen is provided in which a two dimensional matrix of electrodes is provided in a reaction vessel. The electrodes are connected to a source of electrical power for providing a potential difference there b... | 01/30/2007 |
| 7050706 | System and method for rapid heating of fluid Apparatus for rapidly heating fluid includes a fluid circuit having electrodes between which the fluids flows. A voltage is applied between a pair of electrodes whereby current is caused to flow through the fluid. The inlet and outlet fluid temperatures are measured... | 05/23/2006 |
| 7003216 | Space heater A portable space heater is provided in which a sealed vessel includes electrical heating elements for containing a fluid to be heated. A cooling tube communicates between an outlet at a top of the vessel and an inlet pipe extending down into the vessel. The inlet pi... | 02/21/2006 |
| 6967315 | Method for vaporizing a fluid using an electromagnetically responsive heating apparatus A method of microbially decontaminating at least one of a defined area and an item within the defined area. The method includes the steps of (a) inductively heating a block comprising an electrically non-conductive material and an electromagnetically responsive mate... | 11/22/2005 |
| 6940054 | Production/injection line and methods relating to same A production/injection line including a production/injection tube and heating apparatus for heating of the production/injection tube. The line also includes insulation and heat conductive material to control the heat transfer from the heating apparatus towards the p... | 09/06/2005 |
| 6911631 | Plate heat exchanger The device concerns among other things a plate heat exchanger having at least one pile of plate elements, each of which plate elements has a central heat transferring part and an edge part (15) surrounding this part, the heat transferring parts of the plate e... | 06/28/2005 |
| 6906296 | Electromagnetically responsive heating apparatus for vaporizer A vaporizer heating apparatus is comprised of electromagnetically responsive material and electrically non-conductive material. A antimicrobial fluid to be vaporized, such as water or hydrogen peroxide solution, is supplied to the heating apparatus where it is conve... | 06/14/2005 |
| 6681998 | Aerosol generator having inductive heater and method of use thereof An aerosol generator includes an induction heating arrangement to vaporize fluid contained in a fluid passage. The vapor is then expelled from the fluid passage into the air creating a mist that forms the aerosol. The aerosol generator includes an excitat... | 01/27/2004 |
| 6674054 | Method and apparatus for heating a gas-solvent solution This invention provides a method of quickly heating a gas-solvent solution from a relatively low temperature T1 to a relatively high temperature T2, such that the gas-solvent solution has a much higher dissolved gas concentration at temperature T2 than co... | 01/06/2004 |
| 6640048 | Instant water heater An in-line water heater utilizing electrically conductive polymer structures for electrodes. The area of electrodes that confront one another can be varied, and thereby the temperature to which the water is heated can be variably adjusted. The heat is not... | 10/28/2003 |
| 6421501 | Heater for resistive heating of a fluid, fluid-treatment apparatus incorporating such a heater, and a method of treating a fluid by resistive heating A resistive heater comprises at least one heater chamber defined by walls, two of which are constituted by parallel conductive plates spaced apart by a selected distance. The chamber also has an inlet for introducing a fluid close to a first end of the pl... | 07/16/2002 |
| 6088509 | Conical shaped electrolyte electrode for electroheating Electroheating apparatus including a conduit, a cone-shaped electrode circumferentially surrounding the conduit, an electrical power source connected to the electrode, an electrically non-conductive endcap connected to the conduit and electrode, the condu... | 07/11/2000 |
| 5771336 | Electrically stable methods and apparatus for continuously electroheating food Electrically stable electroheating apparatus and methods for continuously treating pumpable food are provided. The electrodes of the electroheater are connected to a source of AC electric current which resistively heats the food by passing current through... | 06/23/1998 |
| 5768472 | Apparatus and methods for rapid electroheating and cooling Methods and apparatus for electroheating an electrically conducting flowable material are provided. In a preferred embodiment, flowable material is conveyed from an entrance passageway to first and second electrode assemblies. The flowable material is the... | 06/16/1998 |
| 5758015 | Methods and apparatus for electroheating food employing concentric electrodes An electroheating apparatus to continuously treating pumpable food is made up of a number of connected electroheating cells. In one embodiment, all of the cells include a pair of concentric electrodes between which the food is pumped. The electrodes are c... | 05/26/1998 |
| 5440667 | OHMIC heater including electrodes arranged along a flow axis to reduce leakage current An ohmic heater comprises at least two electrodes contained within a vessel such that the electrodes lie along the length of the vessel. The vessel has inlet and outlet ports in the top and bottom through which a fluid to be heated flows, passing through ... | 08/08/1995 |
| 5226106 | Ohmic heating apparatus using electrodes formed of closed microporosity material An ohmic heating apparatus for heating flowable media which is flowing through a conduit comprises electrodes exposed to the flowing media and supply means connected to the electrodes and to the media to pass a heating current through the flowable media. ... | 07/06/1993 |
| 5222185 | Portable water heater utilizing combined fluid-in-circuit and induction heating effects A portable electric water heater has spaced concentrically disposed ferromagnetic electrodes defining an annular chamber for an electrically conductive liquid to be contained between the electrodes. The electrodes are encased in a housing having a liquid ... | 06/22/1993 |
| 5133041 | Method and apparatus for transporting commodities, especially liquid commodities, at temperatures above their congealing point in tanks or tank containers, as well as a method and apparatus for cleaning the tanks or tank containers A method and an apparatus for transporting commodities, especially liquid commodities above their congealing temperature in a tanks or tank containers. At least a partial flow of hot exhaust gases of an internal combustion engine of a tank vehicle or tank... | 07/21/1992 |
| 5058192 | Method of and apparatus for preparing foods by utilizing electric heating A container having an open upper end is provided with a moisture permeable film member disposed inside the container in such a manner that two outer surfaces of the film member face two mutually opposing inner surfaces of the container, and with a pair of... | 10/15/1991 |
| 4959525 | Apparatus for heating an electrically conductive flowable material flowing through a pipeline A heating apparatus for heating an electrically conductive flowable medium includes a pipe having a conductivity no greater than that of the medium and a pair of electrodes projecting in a cantilever fashion into the pipe at spaced locations therealong an... | 09/25/1990 |
| 4953536 | Water heating apparatus Water heating apparatus by flow of electric current through the water from a set, for example, of eight electrodes whose surface areas for current flow are proportional to the value of two raised to the eight exponents zero to seven, that is 1 to 128. Thi... | 09/04/1990 |
| 4730098 | Electric electrode-type water heater A heating device for an electrically conductive fluid, such as water, has a vessel with a fluid inlet and a fluid outlet. A plurality of closely spaced parallel electrode plates within a container having holes therein and a plurality of wall structures wi... | 03/08/1988 |
| 4370543 | Shower-sauna instantaneous electric steam or hot water supply unit A shower-sauna apparatus includes an electrically insulative container for accomodating a volume of water to be heated. A vertical central tube extends through the container and has a threaded upper end adapted to be connected to a source of water and a t... | 01/25/1983 |
| 4369351 | Method and apparatus for heating liquids and agglomerating slurries A method and apparatus for heating fluids, such as an agglomerating slurry of coal and water, to supercritical conditions, wherein an electrical current is passed directly through the fluid. The fluid is directed through a container and heated by passing ... | 01/18/1983 |
| 4251715 | Method for directly heating concentrated sulfuric acid by electric current flow between surface-passivated electrodes A method is provided for directly heating a concentrated sulphuric-acid solution by passing alternating electric current between surface-passivated electrodes immersed in the solution and by using electrodes of iron or an iron alloy having a low resistanc... | 02/17/1981 |