Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US-9943196-B2 · Apr 17, 2018 · US
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MAK Wing-Hoi Ringo patents
MAK Wing-Hoi Ringo is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | MAK Wing-Hoi Ringo |
| Total patents | 2 |
| First publication | May 18, 2017 |
| Latest publication | Apr 17, 2018 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Gojo Ind Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B05B7/0416 | 2 |
| F04B43/0045 | 2 |
| A47K5/14 | 2 |
| F04B53/10 | 2 |
| B05B7/0018 | 2 |