NILFISK, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47L DOMESTIC WASHING OR CLEANING 2636
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 454
 
  
 
A46B BRUSHES 228
 
  
 
B01D SEPARATION 2132
 
  
 
E01H STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL 218
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR133
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 173
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9700824 Filter shaker system and methodApr 20, 12Jul 11, 17[B01D]
9649003 Random orbit disc scrubberFeb 16, 15May 16, 17[A47L]
9375124 Scrub deck retraction apparatusApr 20, 12Jun 28, 16[A46B, B08B, A47L, B60S]
9345373 Cleaning system utilizing a regenerative blowerMar 10, 14May 24, 16[A47L, F04D]
9341209 Squeegee retainer clipMay 06, 11May 17, 16[A47L, F16B]
9038237 Squeegee assemblyMar 18, 09May 26, 15[A47L]
8984696 Random orbit disc scrubberNov 08, 11Mar 24, 15[A47L]
8551262 Floor maintenance machineOct 01, 09Oct 08, 13[B08B]
8312594 Carpet cleaning wand having uniform air flow distributionJun 27, 08Nov 20, 12[A47L]
8234749 Orbital scrubber with stabilizer elementOct 29, 07Aug 07, 12[E01H, A47L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8032979 Heat exchangerExpiredFeb 27, 06Oct 11, 11[A47L]
6481048 Three tank carpet spotterExpiredJun 13, 00Nov 19, 02[A47L]
D343706 High pressure carpet extractorExpiredJul 08, 92Jan 25, 94[]
5001806 Kit for fabric cleaning deviceExpiredDec 13, 89Mar 26, 91[A47L]

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