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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47L DOMESTIC WASHING OR CLEANING 357
 
  
 
1505 WASHING, CLEANING AND DRYING MACHINES133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D694480 Hard surface spinning wandJul 29, 11Nov 26, 13[1505]
D521695 Backpack canister vacuum cleanerNov 12, 04May 23, 06[]
5640738 Wet and dry vacuum cleanerAug 02, 95Jun 24, 97[A47L]
5347678 Head assembly for a vacuum cleaning apparatus having dual-individually floating headsOct 14, 93Sep 20, 94[A47L]
5189757 Head assembly for a vacuum cleaning apparatusOct 31, 91Mar 02, 93[A47L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6739070 Wheeled carpet dryer with handleExpiredOct 11, 02May 25, 04[F26B]
5526547 Wet and dry vacuum cleanerExpiredOct 03, 94Jun 18, 96[A47L]
5067584 Low cost replaceable type sound dampening unit for vacuum cleaning machineExpiredApr 25, 90Nov 26, 91[F01N]
5054158 Scrubbing machine/vacuum cleanerExpiredDec 11, 90Oct 08, 91[A47L]
5030068 Vibration and shock damping air blowerExpiredSep 18, 89Jul 09, 91[F04B]
5012549 Side loading dual pail wet vacuum with flow dividerExpiredApr 25, 90May 07, 91[A47L]
D313095 Power carpet cleanerExpiredMay 20, 88Dec 18, 90[]
4976003 Cleaning apparatusExpiredApr 11, 90Dec 11, 90[A47L]
4809397 Rug and carpet cleanerExpiredJan 21, 86Mar 07, 89[A47L]
D298479 Portable machine for wet or dry vacuum extractionExpiredJan 21, 86Nov 08, 88[]

Top Inventors for This Owner

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