Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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 |
| 5851497 | Gasifier throat A gasifier (10) for partially combusting a carbonaceous fuel mixture in the combustion chamber (13) of the gasifier (10). The latter includes a water bath (26) into which the hot effluent or the products of combustion are immersed, including a synthetic g... | 12/22/1998 |
| 5755838 | Coal gasifier and using method thereof A coal gasifier has an inner wall surface made by metal of an inlet part of a heat recovery vessel, the inlet part having a inner cooling mechanism, and gas for peeling deposits on the inner wall surface is injected from plural gas injection holes, the in... | 05/26/1998 |
| 5226927 | Wood gasifier A vertical, countercurrent, updraft reactor is provided which can be advantageously used to produce synthesis gas by the partial oxidation of a solid fuel, especially a wood particle fuel. The reactor has a substantially cylindrical, vertical shell. The r... | 07/13/1993 |
| 4659340 | Pressurized downdraft gasifier A pressurized downdraft gasifier for extracting high quality burning gases from fuels with low rates of gasification. The downdraft air with the gas products is made to take a tranverse path through a cylindrical bar grate depending into the ash collectin... | 04/21/1987 |
| 4615713 | Ash temperature measurement means for a fixed bed gasifier An apparatus for measuring the ash temperature in a gasifier (10) of the kind described, which includes providing an ash contact member (31) in the ash flow path (20) downstream of the ash outlet (21) of the gasifier, and measuring the temperature of the ... | 10/07/1986 |
| 4498909 | Process for the gasification of fuels A process for continuously gasifying wood, wood chips, wood charcoal, or other low-ash biomass material in a mechanically-ashed gasifier using a fixed bed gasification system to obtain a gaseous product relatively rich in carbon monoxide and hydrogen. Pro... | 02/12/1985 |
| 4432772 | Slag breaker of pressure-type coal gasifier A slag breaker of a pressure-type coal gasifier having a rotary grate with a plurality of grate segments, a generator bottom and an ash separator, has an inclined breaking plate arranged to be located immediately below the grate segment and prior to the a... | 02/21/1984 |
| 4401440 | Method and installation for preparing a combustible gas mixture The invention concerns a method and an installation for preparing a combustible gas mixture from solid or liquid fuels by means of a rotatable cup-shaped, perforated bowl forming a supporting grate with a fuel supply to its inner wall and a feed of gasify... | 08/30/1983 |
| 4014664 | Reactor for the pressure gasification of coal A reactor for the pressure gasification of coal by treatment with oxygen and steam and, if desired, additional gasifying agents, at elevated temperatures and pressures, includes a water-cooled jacket and a rotary grate for moving the material to be gasifi... | 03/29/1977 |
| 3970436 | Gas producer arrangements A steam generating system for a gas producer of the type including a combustion chamber and an annular water jacket surrounding the chamber is disclosed characterised in that the upper part of the jacket is of larger diameter than the lower part thereof, ... | 07/20/1976 |
| 3937620 | Process and apparatus for gasifying coal Coal is gasified under elevated pressures and temperatures in a reactor having a rotatably mounted grate and supply conduits for oxygen-containing and oxygen-free gasifying agents. The rotary grate contains an internal chamber adjacent to the bearing for ... | 02/10/1976 |
| 3930811 | Reactor for the pressure gasification of coal A reactor for the continuous gasification of coal under superatmospheric pressures and elevated temperatures with gaseous gasifying agents containing free oxygen and with oxygen-free gasifying agents such as steam and/or carbon dioxide is disclosed. The r... | 01/06/1976 |
