TENNANT COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47L DOMESTIC WASHING OR CLEANING 7816
 
  
 
E01H STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL 214
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 1322
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 1243
 
  
 
B01D SEPARATION 9125
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 949
 
  
 
A46B BRUSHES 624
 
  
 
1505 WASHING, CLEANING AND DRYING MACHINES430
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0008,113 SURFACE MAINTENANCE MACHINE WITH A QUICK EJECT CLEANING TOOL ASSEMBLYJul 11, 17Jan 11, 18[A47L]
2017/0360,270 SURFACE MAINTENANCE MACHINESep 06, 17Dec 21, 17[A47L]
2016/0122,212 Liquid Treatment Systems and MethodsNov 04, 15May 05, 16[B08B, C02F]
2015/0313,435 MOBILE FLOOR CLEANER WITH CLEANING SOLUTION GENERATORMay 01, 15Nov 05, 15[A47L]
2014/0001,054 System and Method for Generating and Dispensing Electrolyzed SolutionsJun 27, 13Jan 02, 14[C25B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9700190 Cleaning disc having sacrificial electrolysis cell and corresponding mobile floor cleanerSep 26, 14Jul 11, 17[A46B, A47L]
9568911 Dynamic maintenance scheduling system for surface cleaning machinesNov 26, 13Feb 14, 17[G06Q, G05B]
9556526 Generator and method for forming hypochlorous acidJun 27, 13Jan 31, 17[C25B]
9498099 Surface maintenance vehicle with compact side brush assemblyFeb 14, 13Nov 22, 16[A47L]
9410255 System and method for generating and dispensing sodium hydroxide solutionsMar 13, 14Aug 09, 16[C25B, C02F]
9226634 Modular hub console for floor cleaning machineNov 05, 10Jan 05, 16[B60K, A47L, B62D]
D745237 Front shroud for a floor maintenance vehicleFeb 21, 13Dec 08, 15[0401]
D743650 Front grill for a floor maintenance vehicleFeb 21, 13Nov 17, 15[1505]
D743126 Front grill for a floor maintenance vehicleFeb 21, 13Nov 10, 15[1505]
9162904 Cleaning solution generatorMar 02, 12Oct 20, 15[C25B, C02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0196,182 Water Recycling System for Mobile Surface CleanersAbandonedJan 13, 15Jul 16, 15[A47L]
2014/0013,540 CLEANING APPARATUSAbandonedMar 12, 13Jan 16, 14[A47L]
8601715 Ultraviolet curing system including supplemental energy sourceExpiredMar 17, 10Dec 10, 13[C09J, B05B, F26B]
2013/0231,034 METHOD AND APPARATUS FOR PROCESSING LIVESTOCK CARCASSES TO DESTROY MICROORGANISMSAbandonedFeb 22, 13Sep 05, 13[A22C]
2013/0193,001 Apparatus and Method for Generating Thermally-Enhanced Treatment LiquidsAbandonedJan 25, 13Aug 01, 13[C25B]
8371315 Washing systems incorporating charged activated liquidsExpiredJan 25, 10Feb 12, 13[B08B]
8051530 Squeegee assembly and method of using sameExpiredNov 19, 07Nov 08, 11[A47L]
8029739 Ultraviolet sanitation deviceExpiredJul 30, 04Oct 04, 11[A61K, B01J, A61L]
2011/0219,555 CLEANING HEAD AND MOBILE FLOOR CLEANERAbandonedMar 10, 10Sep 15, 11[B43M, A47L]
2011/0180,420 ELECTROLYSIS CELL HAVING ELECTRODES WITH VARIOUS-SIZED/SHAPED APERTURESAbandonedJun 19, 09Jul 28, 11[C25B]
2011/0182,736 Impeller AssemblyAbandonedJan 25, 11Jul 28, 11[F01D]
7959785 Hand-held spray bottle having an electrolyzer and method thereforWithdrawnMay 16, 08Jun 14, 11[C02F]
7959787 Method of generating sparged, electrochemically activated liquidWithdrawnJan 19, 07Jun 14, 11[C25B, C02F]
7959788 Method of producing a sparged cleaning liquid onboard a mobile surface cleanerWithdrawnJan 19, 07Jun 14, 11[A47L, C02F]
7959789 Method for generating electrochemically activated cleaning liquidWithdrawnJan 19, 07Jun 14, 11[A47L, C02F]
2011/0132,749 SPRAY DISPENSER HAVING AN ELECTROLYZER AND METHOD THEREFORAbandonedFeb 14, 11Jun 09, 11[C25B]
2011/0121,110 METHOD AND APPARATUS FOR APPLYING ELECTRICAL CHARGE THROUGH A FLUID WITH A SINUSOIDAL WAVEFORM HAVING AT STEP DISCONTINUITYAbandonedJan 31, 11May 26, 11[F23D]
2011/0048,959 Electrochemically-Activated Liquids Containing Fragrant CompoundsAbandonedAug 31, 10Mar 03, 11[C25B, B05B]
7836543 Method and apparatus for producing humanly-perceptable indicator of electrochemical properties of an output cleaning liquidExpiredJan 19, 07Nov 23, 10[A47L]
2010/0276,301 Method and Apparatus for Treating a LiquidAbandonedJul 13, 10Nov 04, 10[C25B, B08B, C02F, A61L, C25F]

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