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

Icon_funbox Quotables

"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."

Dennis Gabor, British physicist

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Zellweger, Ltd.


Location: Uster, CH
No. of patents: 6

NumberTitleIssue Date
4343143Binding for fiber bundles, a method for the production of the binding and an apparatus for carrying out the method
A binding for bundles of fibers in which fibers originating from at least one of the fiber bundles wind around the rest of the fibers in a manner locked by tension. Fiber bundles which are to be bound are deformed between deformation members and fibers ar...
08/10/1982
4338824Method of adjusting a given pretension in threads on tensile strength testing apparatus and the like
A method of adjusting a given pretension in threads on tensile strength testing apparatus. A force measuring device is used as an adjusting member for the pretension, from where the tensile load increases and the elongation thereby appearing is measured. ...
07/13/1982
4311958Capacitive thread stopping motion
A method and device for detecting the presence of a running thread takes advantage of the inherent physical irregularities of the thread to generate an alternating current signal as the thread passes through a capacitive element. The variations in capacit...
01/19/1982
4051722Method and apparatus for measuring irregularities in the cross-section of yarns, roving, bands and the like
A method of, and apparatus for, measuring irregularities in the cross-section of yarns, rovings, bands and the like, by means of a preferably portable measuring apparatus or device providing a direct read-out or display and containing a measuring element,...
10/04/1977
4016790Regulation of electronically operated quality control equipment
This invention relates to the art of quality control, more particularly to the regulation of electronically operated quality control equipment such as yarn cleaners, or the like so that the quality control equipment may be selectively adjusted to eliminat...
04/12/1977
3971272Regulation of electronically operated quality control equipment
A method for regulating the operation of yarn clearers having error correcting means such as yarn cutters, and sensing means providing an electrical signal representative of the controlled quality. The method comprises the steps of: feeding the signal fro...
07/27/1976
 
Sign InRegister
Username  
Password   
forgot password?