Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12186761 | Spout nozzle for scum removal device and water conduit with that spout nozzle for scum removal device | — | 2025-01-07 |
| 8397921 | Scum removing apparatus | Takao Abe, Kouji Tanaka | 2013-03-19 |