Catalyst for reducing ammonia emissions
US-12508576-B2 · Dec 30, 2025 · US
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Friedrich Birgit patents
Friedrich Birgit is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Friedrich Birgit |
| Total patents | 7 |
| First publication | Aug 9, 2018 |
| Latest publication | Dec 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Oxidation catalyst with phosphorus trap
US-12318730-B2 · Jun 3, 2025 · US
Catalytically active particle filter with a high degree of filtering efficiency
US-2024033687-A1 · Feb 1, 2024 · US
Oxidation catalyst with phosphorus trap
US-2023158454-A1 · May 25, 2023 · US
Catalyst for reducing ammonia emissions
US-2022297093-A1 · Sep 22, 2022 · US
Catalyst for purifying the exhaust gases of diesel engines
US-10213767-B2 · Feb 26, 2019 · US
Catalyst for purifying the exhaust gases of diesel engines
US-2018221855-A1 · Aug 9, 2018 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Umicore Ag & Co Kg | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D2255/1021 | 7 |
| Y02T10/12 | 7 |
| B01D2255/1023 | 5 |
| F01N2510/0682 | 5 |
| B01J23/44 | 4 |