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Inventor

Wolfram Schultheiss

Inventor
Weinheim, DE

Overview

5→
Patents
1976–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary
B01DSeparation31%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests31%
A47LDomestic washing or cleaning8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables8%
D06BTreating textile materials using liquids, gases or vapours8%
F24CDomestic stoves or ranges8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
6,669,761'Air filter having electrostatically active nonwoven fabric inliners and their use'20036,488,731'Pleated filter made of a multi-layer filter medium'20024,336,038'Filter mat'19824,180,611'Smooth-surfaced nonwoven fabric'19793,997,929'Carrier sleeve'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Patents assigned to FREUDENBERG CARL FA (4)· patent assignee history
1976Based in Kiefernweg, DE· patent location history
1979–1982Based in Birkenau, DE· patent location history
2002–2003Based in Weinheim, DE· patent location history
2003Patents assigned to FREUDENBERG CARL KG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FREUDENBERG CARL FA41976–2002
FREUDENBERG CARL KG12003
Locations
LocationPatentsSpan
Weinheim, DE22002–2003
Birkenau, DE21979–1982
Kiefernweg, DE11976