U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

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Class 185/4 - Weight only


Subclass of Class 185 - Motors: spring, weight, or animal powered
Definition: Composite motors in which all of the prime movers are weight
No. of patents: 5
Last issue date: 04/20/1999


NumberTitleIssue Date
5894757Device for enhancing rotational movement
A device employing multiple counterweights for enhancing rotation movement. The device employs a horizontally disposed counterweight coupled to a vertically offset second counterweight by an adjacent sprocket. The sprocket times the counteracting weights ...
04/20/1999
4438656Power transfer device
An improved power transfer device utilizes an input power source supplemented by an unbalanced weight assembly which increases the torque on an output shaft as a function of load associated with the device. The input shaft is provided with a drive gear in...
03/27/1984
4085544Plant supporting, moving and watering apparatus
A garden arrangement including a conveyor assembly with a plurality of longitudinally spaced mounting means supporting containers utilizing growth material, the conveyor being arranged along a predetermined path whereby the containers may be successively ...
04/25/1978
4070855Constant force motor
A plurality of translation rods are mounted in a cage for pivoting about a common axis and pass through the pivot axis, being at fixed circumferentially spaced positions but movable bidirectionally along their individual axes during rotation about the fix...
01/31/1978
4022336Apparatus for conveying bulk material
This invention relates to apparatus for conveying bulk materials, such as minerals, down a vertical or steeply inclined path of descent. An endless conveyor carries the material downwards by gravity, and at the same time drives an energy transformation un...
05/10/1977
 
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