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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 219/139 - Plural adjustable electrodes (e.g., hand torch)


Subclass of Class 219 - Electric heating
Definition: Subject matter having means for holding plural electrodes
No. of patents: 2
Last issue date: 12/02/1980


NumberTitleIssue Date
4237365Combination arc brazing and welding electrode holder
A combination arc brazing and welding electrode holder for use with welding apparatus for holding a pair of brazing electrodes in proper arc striking and arc maintaining relation or for holding an arc welding electrode. The holder has a pair of hinged han...
12/02/1980
4161643Welding handle assembly
An auxiliary handle attached to a main handle of a welding apparatus by means of a circumferential clamp which permits adjustment rotationally and pivotally of the auxiliary handle. A radiation and contact shield, made of a single piece of heat insulating...
07/17/1979
 
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