Inventor
Marcel HOLZWARTH
Inventor
US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation50%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof50%
PatentTitleYear
11,338,237Hollow filter element, in particular for gas filtration202211,280,299Filter element for an engine air filter assembly having a nonwoven pre-filter and related method202211,149,699Filter element for an engine air filter assembly having a nonwoven pre-filter and related method2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to MANN & HUMMEL GMBH (3)· patent assignee history
2021–2022Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MANN & HUMMEL GMBH | 3 | 2021–2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2021–2022 |