Filter element, ion exchanger filter element, and filter system
US-2025288927-A1 · Sep 18, 2025 · US
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Trautmann Pius patents
Trautmann Pius is listed as an inventor on 24 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Trautmann Pius |
| Total patents | 24 |
| First publication | Feb 5, 2015 |
| Latest publication | Sep 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Humidifier and manufacturing process of humidifier
US-2025083108-A1 · Mar 13, 2025 · US
Flow plate and humidifier for fuel cell system
US-2024291001-A1 · Aug 29, 2024 · US
Humidifying device having channel plates and channel plate for humidifying device
US-2024145741-A1 · May 2, 2024 · US
Liquid filter and filter element
US-2024009603-A1 · Jan 11, 2024 · US
Intermediate cover of a filter housing of a filter for purifying liquid fluids and filter insert, filter and use
US-11839843-B2 · Dec 12, 2023 · US
Housing module of a fluid treatment module and fluid treatment module
US-11219848-B2 · Jan 11, 2022 · US
Recirculation module and fuel prefilter unit
US-11111889-B2 · Sep 7, 2021 · US
Intermediate Cover of a Filter Housing of a Filter for Purifying Liquid Fluids and Filter Insert, Filter and Use
US-2021069620-A1 · Mar 11, 2021 · US
Recirculation Module and Fuel Prefilter Unit
US-2020325863-A1 · Oct 15, 2020 · US
Recent patents
Latest publications not already listed above.
Filter element and filter system with siphon venting arrangement
US-10399020-B2 · Sep 3, 2019 · US
Water separator with a water overflow secured by means of a float valve
US-10359016-B2 · Jul 23, 2019 · US
Filter element and filter system for a liquid medium with ventilation on the post-filtration side and on the pre-filtration side
US-10328369-B2 · Jun 25, 2019 · US
Filter device
US-10058800-B2 · Aug 28, 2018 · US
Housing Module of a Fluid Treatment Module and Fluid Treatment Module
US-2018021707-A1 · Jan 25, 2018 · US
Water separator with a water overlfow secured by means of a float valve
US-2017218896-A1 · Aug 3, 2017 · US
Filter element and filter system with siphon venting arrangement
US-2017203243-A1 · Jul 20, 2017 · US
Filter element and filter system for a liquid medium with ventilation on the post-filtration side and on the pre-filtration side
US-2017203242-A1 · Jul 20, 2017 · US
Fuel filter
US-9573083-B2 · Feb 21, 2017 · US
Filter device, in particular liquid filter
US-9486724-B2 · Nov 8, 2016 · US
Water Separation System
US-2016059161-A1 · Mar 3, 2016 · US
Fuel Filter
US-2016001205-A1 · Jan 7, 2016 · US
Filter Device
US-2015343340-A1 · Dec 3, 2015 · US
Filter Element for Liquid Filtration
US-2015034550-A1 · Feb 5, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mann & Hummel Gmbh | 24 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D35/30 | 11 |
| B01D35/005 | 11 |
| B01D29/21 | 9 |
| F02M37/32 | 9 |
| B01D2201/295 | 7 |