Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7047724 | Combustion ignition Distributed initiation (e.g., multipoint or continuous) is utilized to obtain constant volume-like combustion performance in a pulse combustion device in the absence of detonation. A number of such devices may be utilized as turbine engine combustors. ... | 05/23/2006 |
| 7047908 | Cooling flange An apparatus has a body with first and second faces, an inboard surface bounding a central aperture, an outboard perimeter, and an array of bolt holes between the first and second faces. A channel is inboard of the bolt holes and first and second ports communicate w... | 05/23/2006 |
| 5676712 | Flashback protection apparatus and method for suppressing deflagration in combustion-susceptible gas flows A flashback protection apparatus and method for suppressing deflagration of a deflagration-susceptible gas in a flow system in which the deflagration-susceptible gas is flowed. The method of the invention comprises monitoring the combustible gas to detect... | 10/14/1997 |
| 5494004 | On line pulsed detonation/deflagration soot blower A pivotal housing member has an end pivotally coupled to an end of a base housing member for movement between a retracted or folded position and an extended position. The pivotal housing member has a pulsed deflagration or detonation device located therei... | 02/27/1996 |
| 5266169 | Apparatus for separating and recycling cleaning particles for cleaning furnace tubes A center transfer unit positioned between a solids collection chamber and a cleaning particle vessel contains vibrating inclined screens to separate chunks of waste solids from cleaning particles recycled to the cleaning particle vessel.... | 11/30/1993 |
| 5172757 | Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer A method for removing soot or the like adhered to heat transfer tubes of a heat-exchanger by providing a steel ball scatterer above the heat transfer tubes and intermittently scattering steel balls towards the heat transfer tubes, is improved. The improve... | 12/22/1992 |
| 4503853 | Contra angle handpiece for dental treatment by laser beams A contra angle handpiece of this invention employs a laser beam transmitting glass fiber for dental treatment in such a manner that the transmission of the beam is carried out not by a reflecting mirror, but by a glass fiber centripetally held with respec... | 03/12/1985 |
