DMR HOLDING GROUP, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS527
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS371
 
  
 
A47L DOMESTIC WASHING OR CLEANING 159
 
  
 
B64C AEROPLANES; HELICOPTERS 173
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE46299 Friction pads for use with a gripping and/or climbing deviceJun 12, 12Feb 07, 17[A47F, E04G]
7871049 Corner climberAug 04, 05Jan 18, 11[A47F]
7823845 Corner climberMay 09, 02Nov 02, 10[A47F]
7793911 Friction pads for use with a gripping and/or climbing deviceOct 20, 04Sep 14, 10[A47F]
7717381 Pneumatic corner climberNov 16, 05May 18, 10[A47F]
6729839 Toroidal and compound vortex attractorApr 09, 01May 04, 04[F04D]
6619922 Vortex attractor for planar and non-planar surfacesMar 14, 01Sep 16, 03[F04D]
6595753 Vortex attractorMay 21, 99Jul 22, 03[F04D]
6565321 Vortex attractorOct 29, 99May 20, 03[B64C]
6497553 Vortex attractorMar 16, 01Dec 24, 02[F01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7143468 Vortex vacuum cleaner nozzle with means to prevent plume formationExpiredJun 09, 03Dec 05, 06[A47L]
6960063 Vortex attractor without a backplateExpiredApr 25, 02Nov 01, 05[F15D]
6957472 Cannister and upright vortex vacuum cleanersExpiredJan 16, 02Oct 25, 05[A47L]
6896104 Flat spool elastic motor having time-averaged constant torque outputExpiredMar 14, 01May 24, 05[F03G]
6881025 Suction cup vortex attractorExpiredSep 05, 02Apr 19, 05[F04D]
6811687 Vortex pool cleanerExpiredJan 17, 02Nov 02, 04[B08B, F15C, B01D, E04H]
6802693 Vortex attractor with vanes attached to containing ring and backplateExpiredApr 25, 02Oct 12, 04[F04D]
6802881 Rotating wave dust separatorExpiredFeb 27, 03Oct 12, 04[B01D]
6719830 Toroidal vortex vacuum cleaner centrifugal dust separatorExpiredDec 19, 01Apr 13, 04[B01D]
6687951 Toroidal vortex bagless vacuum cleanerExpiredApr 13, 01Feb 10, 04[A47L]
6689225 Toroidal vortex vacuum cleaner with alternative collection apparatusExpiredOct 10, 01Feb 10, 04[B08B, A47L]
6623352 Vortex air barrierExpiredJun 29, 01Sep 23, 03[F24F]
6616094 Lifting platformExpiredDec 01, 00Sep 09, 03[B64C]
6543726 Fluid flow straightening techniquesExpiredJul 09, 01Apr 08, 03[B64C]
6520449 Lifting platform with positive horizontal stabilityExpiredJul 16, 01Feb 18, 03[B64C]
6464459 Lifting platform with energy recoveryExpiredMay 31, 01Oct 15, 02[B60V, F01D]

Top Inventors for This Owner

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