Alpha-alumina flakes
US-11891541-B2 · Feb 6, 2024 · US
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Pfaff Gerhard patents
Pfaff Gerhard is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Pfaff Gerhard |
| Total patents | 17 |
| First publication | Mar 10, 2016 |
| Latest publication | Feb 6, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
α-alumina flakes
US-11891542-B2 · Feb 6, 2024 · US
Effect pigments
US-11773270-B2 · Oct 3, 2023 · US
Alpha-alumina flakes
US-2022251403-A1 · Aug 11, 2022 · US
Alpha-alumina flakes
US-2022243076-A1 · Aug 4, 2022 · US
Alpha-alumina flakes
US-11180659-B2 · Nov 23, 2021 · US
α-alumina flakes
US-11142649-B2 · Oct 12, 2021 · US
Effect pigments
US-2020339820-A1 · Oct 29, 2020 · US
Alpha-alumina flakes
US-2020231827-A1 · Jul 23, 2020 · US
Alpha-alumina flakes
US-2020231828-A1 · Jul 23, 2020 · US
Recent patents
Latest publications not already listed above.
α-alumina flakes
US-10647861-B2 · May 12, 2020 · US
Alpha-alumina flakes
US-2019330475-A1 · Oct 31, 2019 · US
α-alumina flakes
US-10457812-B2 · Oct 29, 2019 · US
Alpha-alumina flakes
US-2019322871-A1 · Oct 24, 2019 · US
Effect pigments
US-10280308-B2 · May 7, 2019 · US
Effect pigments
US-2017130054-A1 · May 11, 2017 · US
Effect pigments
US-2016068683-A1 · Mar 10, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Merck Patent Gmbh | 17 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09C1/0024 | 17 |
| C01P2004/61 | 17 |
| C01P2004/51 | 17 |
| C09C2200/301 | 17 |
| C09C1/0021 | 15 |