Process for the recovery of precious metal from petrochemical process residues
US-10662500-B2 · May 26, 2020 · US
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Richards Sr Thomas patents
Richards Sr Thomas is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Richards Sr Thomas |
| Total patents | 2 |
| First publication | Jul 25, 2019 |
| Latest publication | May 26, 2020 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Heraeus Deutschland Gmbh & Co Kg | 2 |
| Heraeus Precious Metals North America LLC | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10G2300/1007 | 2 |
| F23G7/05 | 2 |
| C10G2300/205 | 2 |
| C22B11/026 | 2 |
| F23D11/00 | 2 |