Inventor
Bernd Sperlich
Inventor
Walsrode, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form29%
Y10TTechnical subjects covered by former us classification29%
C08LCompositions of macromolecular compounds14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
B29CShaping or joining of plastics7%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts7%
PatentTitleYear
6,749,948'Polyolefin film with peelable outer layer'20046,645,609'Peelable, sealable polyolefinic multilayered film and its use as a packaging film'20036,489,038'Heat-laminable multi-layer film'20026,270,882'Flexible, multi-layer film having elevated stiffness, dimensional stability and flex crack resistance'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2003Patents assigned to WOLFF WALSRODE AG (3)· patent assignee history
2001–2004Based in Walsrode, DE· patent location history
2004Patents assigned to WIPAK WALSRODE GMBH CO & KG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WOLFF WALSRODE AG | 3 | 2001–2003 |
| WIPAK WALSRODE GMBH CO & KG | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walsrode, DE | 4 | 2001–2004 |