Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Oil rotary vacuum pump and manufacturing method thereof

Oil rotary vacuum pump and manufacturing method thereof

US Patent 8118576 · Granted Feb 21, 2012

Estimated economic value: $56,924,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Vacuum pumping system comprising a vacuum pump and its motor2024
Vacuum pumping system comprising a vacuum pump and its motor2024
Vacuum pumping system having a plurality of positive displacement vacuum pumps a2024
Vacuum pumping device with electronic control of the motor2009
Device and method for detecting the presence of test gas2009
Oil rotary vacuum pump and manufacturing method thereof2009
Oil rotary vacuum pump and manufacturing method thereof2009
Gas-selective permeable membrane and method of manufacturing thereof2006
Leak detector2006
Turbine pump with a stator stage integrated with a spacer ring2004
Method of manufacturing a stator stage for a turbine pump2003