Assignee
TENNANT
9 patents
Top patents by PatentIndex Score
US4173056ANov 6, 1979
Scrubbing machine with tracking squeegee
TENNANT51 citations92
US6877180B2Apr 12, 2005
Street sweeper main broom cutoff flap
TENNANT27 citations90
US4206530AJun 10, 1980
Surface maintenance machine having air recirculation
TENNANT44 citations90
US4194263AMar 25, 1980
Scrubbing machine with water regeneration
TENNANT47 citations90
US7520017B2Apr 21, 2009
Street sweeper recirculation flap
TENNANT13 citations82
US7287299B2Oct 30, 2007
Simplified rear squeegee linkage for surface cleaning equipment
TENNANT24 citations80
US7073661B2Jul 11, 2006
Self cleaning conveyor with roller scraper and debris reduction skirt
TENNANT12 citations78
US7281625B2Oct 16, 2007
Self cleaning conveyor
TENNANT4 citations56
US7287298B2Oct 30, 2007
Low profile side squeegee assembly
TENNANT1 citations44