Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pump housing structure of three-axis multi-stage Roots pump

Pump housing structure of three-axis multi-stage Roots pump

US Patent 11339783 · Granted May 24, 2022

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hearth roll for continuous annealing furnace2025
Angle sensing device2024
Power saving vacuuming pump system based on complete-bearing-sealing and dry-lar2023
Structure of rotor connection of multi-axial multi-stage roots pump2023
Structure of rotor connection of multi-axial multi-stage roots pump2023
Structure of rotor connection of multi-axial multi-stage roots pump2023
Driving structure of three-axis multi-stage roots pump2022
Driving structure of three-axis multi-stage roots pump2022
Driving structure of three-axis multi-stage roots pump2022
Transmission structure of motor connection of roots pump2022
Transmission structure of motor connection of roots pump2022
Transmission structure of motor connection of roots pump2022