NETZSCH PUMPEN & SYSTEME GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 1631
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 821
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 717
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 268
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0010,603 Stator-Rotor System And Method For Adjusting A Stator In A Stator-Rotor SystemJan 29, 16Jan 11, 18[F04C, F01C]
2018/0010,604 Eccentric Screw Pump And Method For Adapting The Operating State Of An Eccentric Screw PumpJan 29, 16Jan 11, 18[F04C]
2015/0369,241 Screw PumpAug 31, 15Dec 24, 15[F04C]
2015/0285,245 Multiple Pump ArrangementJun 17, 15Oct 08, 15[F04C]
2013/0129,555 Contact Element For Rotary Piston PumpOct 05, 12May 23, 13[F04C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9869314 Screw pumpAug 31, 15Jan 16, 18[F04C]
9802203 Size reduction device and method for the size reduction of solid particlesSep 11, 14Oct 31, 17[B02C]
9758312 Feeding device having a double-disk feed having a separated drive and method for operating such a feeding deviceSep 16, 13Sep 12, 17[B65G, B65D]
9759214 Screw pump with at least two partsAug 27, 15Sep 12, 17[F04C, F01C]
9719506 Divided stator casingNov 05, 14Aug 01, 17[F04C]
9683566 Self-fixing stator housingNov 04, 14Jun 20, 17[F04C, F01C]
9670779 Borehole submersible pump assembly with a drive and a bearing arrangement disposed at opposite ends of a screw pumpOct 01, 14Jun 06, 17[F04C, F03C, F01C, E21B]
9617992 Rotary piston pump with optimised inlets and outletsNov 03, 14Apr 11, 17[F04C, F03C]
9617995 Rotary piston pump with slip ring seals for improved fitting and synchronization of rotary pistonsAug 06, 14Apr 11, 17[F04C, F03C, F16J]
9611850 Method and device for fixing and synchronizing rotary pistons in a rotary piston pumpAug 06, 14Apr 04, 17[B23P, F04C, G01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0145,955 Clamping Device And Method For Fixing A Drive Shaft In A Stationary MannerAbandonedFeb 01, 16May 26, 16[E21B]
2016/0138,346 System For Pumping Liquid Media From A Bore And Method For Installing A Pump Unit Designed As A Progressive Cavity Pump In A BoreAbandonedJan 27, 16May 19, 16[E21B]
2015/0118,085 Eccentric Screw Pump And Use Of An Eccentric Screw PumpAbandonedOct 24, 14Apr 30, 15[F04C]
2015/0010,342 Pin Joint For An Eccentric Screw PumpAbandonedSep 26, 14Jan 08, 15[F16C]
2014/0360,359 Rotary PistonAbandonedAug 20, 14Dec 11, 14[F02F]
2014/0048,246 Reverse Rotation Protection For Borehole PumpsAbandonedOct 25, 13Feb 20, 14[E21B]
2014/0016,991 Joint For The Transmission Of Torques And Axial ForcesAbandonedSep 17, 13Jan 16, 14[F16D]
8141752 Hand-held applicator unitExpiredJul 17, 08Mar 27, 12[B65D]
7137795 Stator for eccentric spiral pumpExpiredMar 08, 05Nov 21, 06[F03C]

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