Inventor

WEIGEND HELMUT

DE7 patents

⚠️ This page may combine multiple inventors who share the name “WEIGEND HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

POLYGRAPH LEIPZIG

3 patents

US4690564ASep 1, 1987

Device for measuring ink density on printed surfaces

POLYGRAPH LEIPZIG15 citations71

US4784492ANov 15, 1988

Device for determining surface proportion of a printed pattern for printing machines

POLYGRAPH LEIPZIG3 citations54

US4712918ADec 15, 1987

Method for measuring ink density

POLYGRAPH LEIPZIG1 citations49

BARMAG BARMER MASCHF

2 patents

US6543580B1Apr 8, 2003

Lubrication apparatus and method of applying a lubricant

BARMAG BARMER MASCHF30 citations90

US6120715ASep 19, 2000

Method and apparatus for spinning, drawing, and winding a yarn

BARMAG BARMER MASCHF29 citations90

OERLIKON TEXTILE GMBH & CO KG

1 patent

US7802977B2Sep 28, 2010

Apparatus for melt spinning and windup of synthetic yarn

OERLIKON TEXTILE GMBH & CO KG4 citations60

WEIGEND HELMUT

1 patent

US9428848B2Aug 30, 2016

Method for melt spinning, stretching, and winding a multifilament thread as well as a device for performing the method

WEIGEND HELMUT1 citations39