Gas sparger head for airlift geothermal systems
US-12523130-B2 · Jan 13, 2026 · US
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Hand Daniel patents
Hand Daniel is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hand Daniel |
| Total patents | 4 |
| First publication | Apr 8, 2021 |
| Latest publication | Jan 13, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Gas sparger head for airlift geothermal systems
US-2023175365-A1 · Jun 8, 2023 · US
Passive flame arrestor system
US-11300053-B2 · Apr 12, 2022 · US
Passive flame arrestor system
US-2021102497-A1 · Apr 8, 2021 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Honeywell Int Inc | 2 |
| West Virginia Univ Board Of Governors On Behalf Of West Virginia Univ | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F05D2220/50 | 2 |
| B64D41/00 | 2 |
| A62C4/00 | 2 |
| B64D2045/009 | 2 |
| F02C7/14 | 2 |