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Inventor

Siegfried Putsch

Inventor
Wuppertal, DE

Overview

2→
Patents
1985–1988
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables50%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons50%
PatentTitleYear
4,731,217'Method for melt spinning thermoplastic filament yarn'19884,504,021'Ribbon free wound yarn package and method and apparatus for producing the same'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1988Patents assigned to BARMAG BARMER MASCHF (2)· patent assignee history
1985Based in Wuppertal-Cronenberg, DT· patent location history
1988Based in Wuppertal, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARMAG BARMER MASCHF21985–1988
Locations
LocationPatentsSpan
Wuppertal, DE11988
Wuppertal-Cronenberg, DT11985