Inventor
Willi Henkenjohann
Inventor
Wuppertal, DE
Overview
Patents· 2 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, form20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C08LCompositions of macromolecular compounds20%
C09JAdhesives20%
Y10TTechnical subjects covered by former us classification20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019–2021Patents assigned to SI COATINGS GMBH (2)· patent assignee history
2019Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2019Patents assigned to GRUHN MAXIMILIAN (1)· patent assignee history
2019Patents assigned to HENKENJOHANN WILLI (1)· patent assignee history
2019–2021Based in Wuppertal, DE· patent location history
2021Patents assigned to EVONIK OPERATIONS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SI COATINGS GMBH | 2 | 2019–2021 |
| EVONIK DEGUSSA GMBH | 1 | 2019 |
| EVONIK OPERATIONS GMBH | 1 | 2021 |
| GRUHN MAXIMILIAN | 1 | 2019 |
| HENKENJOHANN WILLIself | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wuppertal, DE | 2 | 2019–2021 |