Inventor
BERG DAVID W
US13 patents
⚠️ This page may combine multiple inventors who share the name “BERG DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TENNANT CO
8 patentsUS6117200ASep 12, 2000
Electromagnetic filter cleaning system
TENNANT CO65 citations95
US5884353AMar 23, 1999
Sweeper with hopper heat shield
TENNANT CO23 citations92
US5088149AFeb 18, 1992
Vacuum powered scrub head
TENNANT CO85 citations92
US6096383AAug 1, 2000
Curing of floor coatings using long and short wave ultraviolet radiation
TENNANT CO61 citations91
USD273620SApr 24, 1984
Power sweeper
TENNANT CO28 citations91
US4729141AMar 8, 1988
Disc brush suspension for a floor maintenance machine
TENNANT CO40 citations89
US6125495AOct 3, 2000
Variable diameter cleaning brush
TENNANT CO27 citations88
US5940929AAug 24, 1999
Surface maintenance machine with improved dust collection system
TENNANT CO16 citations73