Assignee
RULE INDUSTRIES
US28 patents
Top patents by PatentIndex Score
US5545012AAug 13, 1996
Soft-start pump control system
RULE INDUSTRIES133 citations95
US5324170AJun 28, 1994
Pump control apparatus and method
RULE INDUSTRIES142 citations95
US5076763ADec 31, 1991
Pump control responsive to timer, delay circuit and motor current
RULE INDUSTRIES135 citations95
US6390780B1May 21, 2002
Pump and controller system and method
RULE INDUSTRIES82 citations93
US5549456AAug 27, 1996
Automatic pump control system with variable test cycle initiation frequency
RULE INDUSTRIES95 citations91
US6276908B1Aug 21, 2001
Latching mechanism for use with pumps used in marine environments
RULE INDUSTRIES40 citations90
US6045340AApr 4, 2000
Locking mechanism for a removable live well pump
RULE INDUSTRIES37 citations90
US4860223AAug 22, 1989
Carbon monoxide health hazard monitor
RULE INDUSTRIES27 citations90
US4527449AJul 9, 1985
Boring bit and method for manufacture thereof
RULE INDUSTRIES57 citations90
US5061126AOct 29, 1991
Hole saw and mandrel assembly
RULE INDUSTRIES63 citations88
US4013383AMar 22, 1977
Vertical shaft impeller pump apparatus
RULE INDUSTRIES32 citations88
USD278065SMar 19, 1985
Boring tool or similar article
RULE INDUSTRIES40 citations86
US6471473B1Oct 29, 2002
Marine in bilge blower
RULE INDUSTRIES18 citations82
US4970983ANov 20, 1990
Multitone horn
RULE INDUSTRIES22 citations76
US3950886AApr 20, 1976
Insect electrocution device
RULE INDUSTRIES27 citations73
US4452429AJun 5, 1984
Planetary gear winch comprising selectively operable freewheel arrangement
RULE INDUSTRIES10 citations72
US4656751AApr 14, 1987
Magnetic compass
RULE INDUSTRIES11 citations70
US5814780ASep 29, 1998
Pivotable float switch within a housing
RULE INDUSTRIES10 citations67
US4392635AJul 12, 1983
Rotary power coupling and planetary gear winch
RULE INDUSTRIES13 citations66
US4233204ANov 11, 1980
Amine-promoted, peroxide-cured polyester composition
RULE INDUSTRIES10 citations66
US4930224AJun 5, 1990
Magnetic compass
RULE INDUSTRIES11 citations65
US4827863AMay 9, 1989
Plow anchor for marine use
RULE INDUSTRIES9 citations63
US6665944B1Dec 23, 2003
Magnetic marine compass
RULE INDUSTRIES5 citations60
USD435467SDec 26, 2000
Directional compass
RULE INDUSTRIES2 citations60
US7194814B2Mar 27, 2007
Self-balancing, no-spin magnet compass
RULE INDUSTRIES6 citations59
USD297127SAug 9, 1988
Compass
RULE INDUSTRIES2 citations58
US5469631ANov 28, 1995
Air bubble free compass and method of manufacturing same
RULE INDUSTRIES1 citations49
US5003910AApr 2, 1991
Anchor
RULE INDUSTRIES1 citations46