Inventor · disambiguated record
Karl Hansen
Also filed as: HANSEN KARL · HANSEN KARL R · HANSEN KARL ROBERT
8 granted patents·197 citations·filing 1997–2008
87Inventor score
Top patents by PatentIndex Score
8 records- 0197US6421870B1Stacked tools for overthrow sweepingTENNANT CO·Filed 2000·Granted Jul 23, 2002·132 cites·27 claims
- 0283US7662199B2Cyclonic filter for surface maintenance machineTENNANT CO·Filed 2008·Granted Feb 16, 2010·12 cites·13 claims
- 0371US6507968B1Side skirt for a surface treating apparatusTENNANT CO·Filed 2000·Granted Jan 21, 2003·20 cites·20 claims
- 0468US7520378B2Chain driven conveyor having automatic tensioning street sweeping method and systemTENNANT CO·Filed 2004·Granted Apr 21, 2009·16 cites·17 claims
- 0566US8099828B2External filter chamberADELMAN KURT CLARENCE·Filed 2008·Granted Jan 24, 2012·5 cites·21 claims
- 0666US7488391B2Rotating brush optimizing methodTENNANT CO·Filed 2006·Granted Feb 10, 2009·2 cites·20 claims
- 0749US7082639B2Brush optimizerTENNANT CO·Filed 2002·Granted Aug 1, 2006·2 cites·45 claims
- 0834US5873138ALost motion foot pedal linkageTENNANT CO·Filed 1997·Granted Feb 23, 1999·8 cites·8 claims
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