YR

Yi Rong

EC Elivac Co.: 1 patents #1 of 3Top 35%
UN Unknown: 1 patents #342 of 3,065Top 15%
Overall (2023): #93,294 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11815095 Power saving vacuuming pump system based on complete-bearing-sealing and dry-large-pressure-difference root vacuuming root pumps Raymond Zhou Shaw, Bin Wu 2023-11-14
11608829 Structure of rotor connection of multi-axial multi-stage roots pump Yue Li, Miaole Shen 2023-03-21