Inventor
Christoph Wittmers
Inventor
DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation57%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof29%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
PatentTitleYear
12,558,644Filter element for an air filter having a primary air outlet and a secondary air outlet, and an air filter and installation method202612,172,114Air filter comprising a primary air outlet and a secondary air outlet and filter element for same202411,415,089Air filter with a primary air outlet and a secondary air outlet as well as filter element therefor202211,338,237Hollow filter element, in particular for gas filtration2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to MANN & HUMMEL GMBH (4)· patent assignee history
2022–2026Based in DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MANN & HUMMEL GMBH | 4 | 2022–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| DE | 4 | 2022–2026 |