Catalyst article for use in an emission treatment system
US-10799832-B2 · Oct 13, 2020 · US
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Howells Heledd patents
Howells Heledd is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Howells Heledd |
| Total patents | 2 |
| First publication | Oct 4, 2018 |
| Latest publication | Oct 13, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Catalyst article for use in an emission treatment system
US-2018280879-A1 · Oct 4, 2018 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Johnson Matthey Plc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J35/57 | 2 |
| B01D2251/2062 | 2 |
| B01D2255/9032 | 2 |
| B01D2255/407 | 2 |
| F01N3/2842 | 2 |