Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Drive mechanism for a screw pump

Drive mechanism for a screw pump

US Patent 6666672 · Granted Dec 23, 2003

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Water-based refrigerant for a thermal working machine and thermal working machin2024
Volume ratio for a R718* compressor2024
Spindle compressor using refrigerant cooling for housing and rotor2019
Displacement pump with internal compression2014
Cooled screw-type vacuum pump2006
Dry-compressing screw pump having cooling medium through hollow rotor spindles2002
Screw compressor with cooling1999
Vacuum pump1999
Displacement machine with electronic motor synchronization1998
Rotor profile for a Roots vacuum pump1992
Double-shaft vacuum pump with synchronization gears1991
Multistage rotary piston vacuum pump having sleeves to fix shaft positions1991