Patents/Inventors

Yi Rong

BeijingCN2 patents

3 Patents

US121237522024
Angle Sensing Device
Isentek Inc.
0 cites
US118150952023
Power Saving Vacuuming Pump System Based on Complete-bearing-sealing and Dry-large-pressure-difference Root Vacuuming Root Pumps
ELIVAC Inc.
0 cites
US116088292023
Structure of Rotor Connection of Multi-axial Multi-stage Roots Pump
OVG VACUUM TECHNOLOGY (SHANGHAI) CO., Ltd.
0 cites