Inventor
Stephen R. Clarke
Inventor
Orinda, CA, US
Overview
10→
Patents
1998–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C25Cprimary
C25CProcesses for the electrolytic production, recovery or refining of metals14%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
B09CReclamation of contaminated soil6%
B21JForging3%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels3%
B82YSpecific uses or applications of nanostructures3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
PatentTitleYear
10,793,957Closed loop systems and methods for recycling lead acid batteries202010,689,769Electrodeposited lead composition, methods of production, and uses202010,665,907Devices and method for smelterless recycling of lead acid batteries202010,566,665Devices and method for smelterless recycling of lead acid batteries202010,340,561Devices and method for smelterless recycling of lead acid batteries20199,837,689Method for smelterless recycling of lead acid batteries20179,672,953'Devices and methods for advanced phase-locked materials'20176,383,395'Water treatment method and apparatus'20025,865,964'Apparatus for stripping ions from concrete and soil'19995,846,393'Electrochemically-aided biodigestion of organic materials'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to GEO KINETICS INTERNATIONAL INC (1)· patent assignee history
1998–2020Based in Orinda, CA, US· patent location history
1999Patents assigned to ELECTROCHEMICAL DESIGN ASSOCIA (1)· patent assignee history
2002Patents assigned to LUXFER GROUP LTD (1)· patent assignee history
2017–2020Patents assigned to AQUA METALS INC (5)· patent assignee history
2017Patents assigned to EBONEXT TECH (BVI) (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AQUA METALS INC | 5 | 2017–2020 |
| EBONEXT TECH (BVI) | 1 | 2017 |
| ELECTROCHEMICAL DESIGN ASSOCIA | 1 | 1999 |
| GEO KINETICS INTERNATIONAL INC | 1 | 1998 |
| LUXFER GROUP LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Orinda, California, US | 10 | 1998–2020 |