RUHRPUMPEN GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS470
 
  
 
A62C FIRE-FIGHTING 324
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 262
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 217
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
B02B PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE 16
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9796105 Tool for crushing coke in drums by means of high-pressure water jetsJul 08, 14Oct 24, 17[B02C, B26F]
9617999 Double-wall containment shroud of a magnetic coupling, in particular a magnetic coupling pumpJun 25, 13Apr 11, 17[F04D, H01F]
9528390 Hydrodynamic sliding bearing, in particular of a magnetic coupling pumpMar 01, 12Dec 27, 16[F16C, F04D, F01D]
9469811 Tool for crushing cokeJun 02, 14Oct 18, 16[B05B, A62C, C10B]
9057403 Method for mounting a hydrodynamic sliding bearing and hydrodynamic sliding bearing, in particular of a magnetic coupling pumpMar 01, 12Jun 16, 15[F16C, F04D]
8955618 Tool for crushing cokeSep 23, 11Feb 17, 15[B25B, E21B, C10B]
8956067 Split case of a magnetic coupling, in particular of a magnetic coupling pumpMar 01, 12Feb 17, 15[H02K, F16D, F04D]
8439127 Drive device for a boring barAug 13, 10May 14, 13[E21B]
8382960 Arrangement for guiding a drill stem of a decoking toolApr 25, 08Feb 26, 13[C10B]
8220323 Freefall arrestorApr 29, 10Jul 17, 12[G01L]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0265,692 PARTIAL FLOW GUIDE, IN PARTICULAR OF A MAGNETIC COUPLING PUMPAbandonedSep 24, 12Sep 18, 14[H02K]
2010/0014,963 CENTRIFUGAL PUMPAbandonedJul 10, 09Jan 21, 10[F04D]

Top Inventors for This Owner

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