Inventor
BLEHERT MICHAEL L
US10 patents
Patents
10 patentsUS6705332B2Mar 16, 2004
Hard floor surface cleaner utilizing an aerated cleaning liquid
TENNANT CO122 citations98
US5515568AMay 14, 1996
Scrubbing machine having offset cylindrical brushes
TENNANT CO53 citations95
US5483718AJan 16, 1996
Floor scrubbing machine having impact energy absorption
TENNANT CO68 citations95
US5093955AMar 10, 1992
Combined sweeper and scrubber
TENNANT CO289 citations95
US4580313AApr 8, 1986
Walk behind floor maintenance machine
TENNANT CO74 citations95
US4819676AApr 11, 1989
Combination sweeping and scrubbing system and method
TENNANT CO123 citations94
US5611105AMar 18, 1997
Torsionally flexible frame structure
TENNANT CO23 citations92
US6398829B1Jun 4, 2002
Filter system for mobile debris collection machine
TENNANT CO20 citations91
US6389641B1May 21, 2002
Dual mode debris pickup machine
TENNANT CO24 citations91
US4466156AAug 21, 1984
Air velocity control mechanism for selective debris pickup
TENNANT CO18 citations73