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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5755568 | Multiple flame torch apparatus The oxygen-fuel torch includes a torch body having fuel gas and oxygen conduits for conducting the respective gas to the torch head and therethrough to a torch tip. The torch tip is connected through an adaptor to the torch head and includes an elongated ... | 05/26/1998 |
| 5626087 | Mobile smokeless agricultural field burner A smokeless mobile agricultural field burner for burning agricultural waste products, mainly rice straw, in the field without releasing excessive air pollution into the environment. The burner consists of a main structure, either self-propelled or towed, ... | 05/06/1997 |
| 5429494 | Low pressure transportable igniting device using volatile liquid fuel A transportable igniting device utilizing burn fuel especially ,adapted for use in forestry management practices is disclosed. The invention has a fuel storage tank which is fluidly coupled to a pressurizing assembly which includes; a pump and a pressure ... | 07/04/1995 |
| 5353782 | Roofing torch An improved torch assembly (10) especially designed for use in the formation of roof lap joints is provided which includes an elongated handle (12) having a shoe element (14) coupled to the lower end thereof and equipped with a rearwardly extending, margi... | 10/11/1994 |
| 5211158 | Roofing torch An improved torch assembly (10) especially designed for use in the formation of roof lap joints is rovided which includes an elongated handle (12) having a shoe element (14) coupled to the lower end thereof and equipped with a rearwardly extending, margin... | 05/18/1993 |
| 5030086 | Agricultural burner device An agricultural burner device produces a flame from the combustion of liquid propane and is used to control weeds, insects, vines, micro-organisms, and the like. The burner devices are typically mounted on the draw bar of an agricultural implement, and ar... | 07/09/1991 |
| 5024319 | Belt heater for conveyors A conveyor belt is provided for carrying granular coal or ore from a mine or a crushing station, together with a belt heater in the form of a fuel burner which turns on to melt ice which as formed on the belt at temperatures below freezing. The belt heate... | 06/18/1991 |
| 4256086 | Method for rapidly igniting combustible material on a field The present invention is directed to a method for rapidly igniting combustible material over a predetermined area of a field which contemplates positioning a plurality of combustible elements at spaced-apart locations adjacent a first boundary of the pred... | 03/17/1981 |
| 4239581 | Apparatus for sealing lap joints of fusible roofing sheets A burner has a flame chamber formed by flat upper and lower walls connected by side walls and a front end wall, with a fuel inlet for connection to a fuel source and with an open rear end. A handle is connected with one side of the burner for inserting it... | 12/16/1980 |
| 4226034 | Vacuum snow remover for removing snow from roads and other snow covered surfaces A vacuum snow remover and method for removing snow from roads and other snow covered surfaces is provided. The pneumatic snow remover assembly includes a fan for creating a suction pressure to draw snow up from the road into a collection tank via a main i... | 10/07/1980 |
| 4088122 | Field burning apparatus Apparatus for thermally cultivating a field including a wheel-supported vehicle having elongate frame members and a burning chamber over the ground. A draft stack and an air mover are disposed at a forward end of the vehicle and an igniter is disposed ben... | 05/09/1978 |
| 3970071 | Surface heater and dryer A surface heater and dryer includes a housing having a skirt for concentrating heat over a large area of the surface and contains a heater and blower for forcing super heated air onto the surface. Mounting structure is connected to the housing for support... | 07/20/1976 |
