U.S. patents available from 1976 to present.
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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 431/245 - Unheated oxidizer supply to line between heated section and feed discharger


Subclass of Class 431 - Combustion
Definition: Apparatus including structure by which unheated oxidizer
No. of patents: 2
Last issue date: 03/25/2008


NumberTitleIssue Date
7347685Torch manifold with integrated nozzles
A manifold for a torch including a gas distribution portion for distributing gas directed into the manifold to two or more gas channels, a nozzle in each gas channel, an air passage in the manifold proximate each nozzle, and a flame tube portion including a channel ...
03/25/2008
4931260Process and apparatus for the treatment of granular solid materials in a fluidized layer
Solid material which is carried out of a fluidized bed reactor with the gas discharged therefrom and which is separated off in a separator is returned to the reactor by way of a recycling means. To reduce problems caused by virtue of differing pressure le...
06/05/1990
 
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