Donauer; Nadine

Patent Applications and Registrations

Patent applications and USPTO patent grants for Donauer; Nadine.The latest application filed is for "round filter element, in particular for gas filtration".

Company Profile

20.17.13

Donauer; Nadine - Fellbach DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hollow filter element, in particular for gas filtration Grant 11,338,237 - Wittmers , et al. May 24, 2	2022-05-24
Round filter element, in particular for gas filtration Grant 11,247,159 - Neef , et al. February 15, 2	2022-02-15
Filter element, in particular for gas filtration Grant 11,117,084 - Neef , et al. September 14, 2	2021-09-14
Filter device and round filter element, in particular for gas filtration Grant 11,117,082 - Neef , et al. September 14, 2	2021-09-14
Round Filter Element, in Particular for Gas Filtration App 20210229017 - Neef; Pascal ; et al.	2021-07-29
Round filter element, in particular for gas filtration Grant 10,946,323 - Neef , et al. March 16, 2	2021-03-16
Round filter element having a longitudinally extending cross-sectional shape Grant 10,940,418 - Donauer , et al. March 9, 2	2021-03-09
Filter element, in particular for gas filtration Grant 10,898,842 - Fritzsching , et al. January 26, 2	2021-01-26
Filter device, in particular gas filter Grant 10,881,998 - Donauer , et al. January 5, 2	2021-01-05
Filter element with retaining surfaces, filter with a filter element and filter housing of a filter Grant 10,883,456 - Neef , et al. January 5, 2	2021-01-05
Annular filter element, in particular for gas filtration Grant 10,773,201 - Franz , et al. September 15, 2	2020-09-15
Filter Element, in Particular for Gas Filtration, and filter device Grant 10,744,444 - Fritzsching , et al. A	2020-08-18
Air filter element Grant D890,316 - Madeira , et al.	2020-07-14
Annular filter element, in particular for gas filtration, and filter device Grant 10,702,821 - Donauer , et al.	2020-07-07
Filter element, in particular for gas filtration Grant 10,702,820 - Neef , et al.	2020-07-07
Filter assembly Grant 10,512,867 - Donauer Dec	2019-12-24
Filter Device and Round Filter Element, in Particular for Gas Filtration App 20190308123 - Neef; Pascal ; et al.	2019-10-10
Round Filter Element, in Particular for Gas Filtration App 20190308125 - Neef; Pascal ; et al.	2019-10-10
Round Filter Element Having a Longitudinally Extending Cross-Sectional Shape App 20190270045 - Donauer; Nadine ; et al.	2019-09-05
Filter Element, in Particular for Gas Filtration App 20190224608 - Neef; Pascal ; et al.	2019-07-25
Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter Grant 10,316,804 - Hasenfratz , et al.	2019-06-11
Round Filter Element, in particular for Gas Filtration App 20190134546 - Neef; Pascal ; et al.	2019-05-09
Filter Element, in Particular for Gas Filtration, and Filter Device App 20190070549 - Fritzsching; Torsten ; et al.	2019-03-07
Filter Device, in Particular Gas Filter App 20190070545 - Donauer; Nadine ; et al.	2019-03-07
Annular Filter Element, in Particular for Gas Filtration App 20190070548 - Franz; Andreas ; et al.	2019-03-07
Annular Filter Element, in Particular for Gas Filtration, and Filter Device App 20190060814 - Donauer; Nadine ; et al.	2019-02-28
Hollow Filter Element, in Particular for Gas Filtration App 20190060816 - Wittmers; Christoph ; et al.	2019-02-28
Air filter element Grant D837,358 - Madeira , et al. J	2019-01-01
Filter Element, in Particular for Gas Filtration App 20180050296 - Fritzsching; Torsten ; et al.	2018-02-22
Filter Element with Retaining Surfaces, Filter with a Filter Element and Filter Housing of a Filter App 20170276099 - NEEF; Pascal ; et al.	2017-09-28

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