Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Application No. | Application Title | Issue Date |
| 20120031349 | Methods of Making Devices By Stacking Sheets and Processes of Conducting Unit Operations Using Such Devices New designs, methods and processes are described that in which laminated devices and configured in a style named the “ortho” style. To form a device in the ortho style, plates or sheets are machined to have apertures and then stacked together such that the apertures... | 02/09/2012 |
| 20110232286 | Boiler Apparatus A boiler apparatus is provided that generates a heat source capable of efficiently regenerating absorbing liquid while maintaining steam turbine efficiency to a maximum extent. The boiler apparatus includes: an economizer 54 preheati... | 09/29/2011 |
| 20110048343 | STEAM BOILER EQUIPPED WITH COOLING DEVICE The steam boiler has a circulation system for boiler water that has water pipes arranged to circulate boiler water and steam through the water pipes with a cooled device arranged to cool a selected, exposed part of the steam boiler. The cooled device has an outer tube a... | 03/03/2011 |
| 20110048342 | HEAT EXCHANGER WATER HEATING SYSTEM FOR COMMERCIAL DISHWASHER A multi-chamber conveyor type dishwasher uses a heat recovery unit (HRU) to heat water for a final rinse chamber during a preheat and/or dishwashing phase. The HRU heats water supplied by a low temperature water source using the dishwasher's hot vapor exhaust. An input ... | 03/03/2011 |
| 20100319634 | EVAPORATOR/CALCINER Disclosed herein is provided an evaporator/calciner in which hazardous materials, such as radioactive liquids, are converted into chemically stable, solid forms by evaporating, drying and calcination within a single vessel, that can then be sealed and used for long term... | 12/23/2010 |
| 20100263606 | THERMAL STORE A thermal store system for a water heating system comprising a primary thermal store containing a primary volume of water adapted to be heated by a primary heating means, said primary thermal store being in thermal communication with a central heating supply flow and a ... | 10/21/2010 |
| 20100242863 | METALLIC POROUS BODY INCORPORATED BY CASTING INTO A HEAT EXCHANGER The present invention relates to a co-cast heat exchanger element intended for a central heating boiler, which heat exchanger element is made from substantially aluminum, the heat exchanger element being provided with walls which enclose a water carrying channel, and wi... | 09/30/2010 |
| 20100162967 | HEAT EXCHANGER The invention relates to heat exchangers used in high efficiency condensing boilers, in particular condensing gas boilers, and a method of manufacturing such heat exchangers. The heat exchanger comprises means to promote unidirectional flue gas flow before entering the ... | 07/01/2010 |
| 20100139579 | WATER HEATER SPECIAL FOR BATHROOM A water heater especially for bathroom includes a hair filter (1), a water self pumping pump (2), a heat exchanger (3), a water valve (5), a controller (6), an operator (7), three water flow resistance amplifiers (8) and ... | 06/10/2010 |
| 20100116226 | BOILER WITH A COMBUSTION HEAD COOLING SYSTEM An embodiment of a boiler comprises a fan, an air-gas premixing burner, a combustion chamber faced by a combustion head of the burner and a heat exchanger comprising a plurality of tubes in which the water of a heating system runs. The heat exchanger comprises cooling t... | 05/13/2010 |
| 20100000474 | STRUCTURE OF A SUPER HEATER A method for reducing corrosion of a superheater of a steam boiler. The superheater includes a superheater piping. The superheating piping includes a steam pipe where the steam to be superheated is directed. The steam pipe is separated by a protective shell having a sur... | 01/07/2010 |
| 20090173292 | Steam boiler A steam boiler (15) comprising a fuel burning device (16) disposed in a combustion chamber and adapted to burn a fuel to form combustion gases (19), a passage (30) extending between a water inlet (20) and a steam outlet (23), th... | 07/09/2009 |
| 20090056647 | Boiler The invention relates to a boiler comprising a combustion chamber which is surrounded at least in part by a combustion gas flue that is embodied as a primary heat exchanger. The combustion gas flue is enclosed at least in part by a water-conducting housing while a water... | 03/05/2009 |
| 20090000572 | METHOD AND APPARATUS FOR VAPORIZING LIQUID An apparatus and method for vaporizing liquid are provided which employ a plurality of rods disposed within a storage vessel that serve as the heat transfer element. While the plurality of rods are generally submerged by the liquid fuel to facilitate heat transfer and v... | 01/01/2009 |
| 20080134993 | Vaporizer runner structure The present invention discloses a vaporizer runner structure, wherein the body is concaved to form a runner used to heat a liquid flowing therethrough; a plurality of extension portions is extended from two side walls of the runner to increase the contact area between t... | 06/12/2008 |