Marcel Holzwarth
12Patents
1h-index
22Co-inventors
46Inventor score
Filing activity: Feb 16, 2014 → Dec 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9463405B2 | Filter element and filter assembly | Performing Operations; Transporting | 9 | Active |
| US9149752B2 | Oil mist separator for separating aerosol oil from an oil-laden gas | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10744444B2 | Filter Element, in Particular for Gas Filtration, and filter device | Performing Operations; Transporting | 1 | Active |
| US9539895B2 | Tank venting filter having a constriction in the air inlet area | Performing Operations; Transporting | 1 | Active |
| US10837414B2 | Hollow filter element, filter housing and filter | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9623357B2 | Tank vent filter with downpipe | Performing Operations; Transporting | 1 | Active |
| US9566860B2 | Tank venting filter | Performing Operations; Transporting | 1 | Active |
| US11149699B2 | Filter element for an engine air filter assembly having a nonwoven pre-filter and related method | Performing Operations; Transporting | 0 | Active |
| US10898842B2 | Filter element, in particular for gas filtration | Performing Operations; Transporting | 0 | Active |
| US10773201B2 | Annular filter element, in particular for gas filtration | Performing Operations; Transporting | 0 | Active |
| US11338237B2 | Hollow filter element, in particular for gas filtration | Performing Operations; Transporting | 0 | Active |
| US11280299B2 | Filter element for an engine air filter assembly having a nonwoven pre-filter and related method | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.