Inventor

Helmut Weigend

Inventor
Radevormwald, DE

Overview

7→
Patents
1987–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

B41Fprimary
B41FPrinting machines or presses23%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons23%
B01FMixing, e.g. dissolving, emulsifying or dispersing8%
B29CShaping or joining of plastics8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables8%
D01HSpinning or twisting8%
D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like8%
D06BTreating textile materials using liquids, gases or vapours8%
G01BMeasuring length, thickness or similar linear dimensions8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to POLYGRAPH LEIPZIG (3)· patent assignee history
1987–1988Based in Leipzig, DE· patent location history
2000–2003Patents assigned to BARMAG BARMER MASCHF (2)· patent assignee history
2000–2016Based in Radevormwald, DE· patent location history
2010–2016Patents assigned to OERLIKON TEXTILE GMBH & CO KG (2)· patent assignee history
2016Patents assigned to MEISE HANSJÖRG (1)· patent assignee history
2016Patents assigned to SCHULZ DETLEV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLYGRAPH LEIPZIG31987–1988
BARMAG BARMER MASCHF22000–2003
OERLIKON TEXTILE GMBH & CO KG22010–2016
MEISE HANSJÖRG12016
SCHULZ DETLEV12016
Locations
LocationPatentsSpan
Radevormwald, DE42000–2016
Leipzig, DE31987–1988