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Inventor

Wolfgang A. Piesczek

Inventor
Inman, SC, US

Overview

4→
Patents
1982–2001
Patent span
Textiles
Primary field (CPC D)

Patents· 4 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, cables29%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons29%
Y10TTechnical subjects covered by former us classification29%
D01HSpinning or twisting14%
PatentTitleYear
6,242,094'Electrically conductive heterofil'20015,916,506'Electrically conductive heterofil'19994,602,475'Reduced tension automatic yarn sampler'19864,346,504'Yarn forwarding and drawing apparatus'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to HOECHST FIBERS IND (1)· patent assignee history
1982–1986Based in Inman, SC, US· patent location history
1986Patents assigned to HOECHST CO AMERICAN (1)· patent assignee history
1999Patents assigned to HOECHST CELANESE CORP (1)· patent assignee history
1999Based in Bobingen, DE· patent location history
2001Patents assigned to ARTEVA NORTH AMERICA SARL (1)· patent assignee history
2001Based in Bobigen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARTEVA NORTH AMERICA SARL12001
HOECHST CELANESE CORP11999
HOECHST CO AMERICAN11986
HOECHST FIBERS IND11982
Locations
LocationPatentsSpan
Inman, SC, US21982–1986
Bobigen, DE12001
Bobingen, DE11999