Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Vacuum suction machine with high efficiency filter and operating interlock

Vacuum suction machine with high efficiency filter and operating interlock

US Patent RE34980 · Granted Jun 27, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Simplified LNG process2017
Terminal and electrical connector with same2016
Method and apparatus for multi-pin female connector with removable receptacles2008
Nurse call connector system and method2007
Acid gas enrichment process2006
Adjustable head assembly for floor burnisher2006
Electrical connector system and method involving positive mating and flex releas2006
Variable shut off teat cup liner2004
Litter vacuum2004
Apparatus for curing floor coating2003
Jetter cup2002
Power head for cleaning machine1998