PFEIFFER VACUUM GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS2252
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1151
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 659
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 4103
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 321
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 222
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
B01D SEPARATION 1133
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0167,679 VACUUM PUMPDec 16, 14Jun 18, 15[F04D]
2015/0064,033 VACUUM PUMP AND ARRANGEMENT WITH VACUUM PUMPSep 02, 14Mar 05, 15[F04D]
2015/0030,475 Vacuum pumpJul 23, 14Jan 29, 15[F04D]
2015/0016,958 Vacuum pumpJul 11, 14Jan 15, 15[F04D]
2014/0348,634 ADAPTER FOR VACUUM PUMPS AND ASSOCIATED PUMPING DEVICEDec 20, 12Nov 27, 14[F04D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909592 Vacuum pumpJul 11, 14Mar 06, 18[F04D]
9887604 Apparatus for kinetic energy storage having a flywheel with pump-active surfacesOct 30, 13Feb 06, 18[H02K, F04D, F03G]
9869319 Vacuum pumpJul 23, 14Jan 16, 18[H02K, F04D]
9822799 Arrangement with a vacuum pump and method of compensating magnetic field produced by magnetic interference field of at least one vacuum pump componentSep 10, 14Nov 21, 17[H02K, H01J, F04B, F04D]
9784284 Stator element for a holweck pump stage, vacuum pump having a holweck pump stage and method of manufacturing a stator element for a holweck pump stageApr 22, 14Oct 10, 17[F04D]
9745978 Housing for a rotary vane pumpNov 11, 14Aug 29, 17[F04C, F03C, F01C]
9695967 Connection apparatusJan 16, 14Jul 04, 17[F16L, B25B, F16B]
9453514 Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaftSep 03, 13Sep 27, 16[F03B, F04D, F01D]
9422937 Vacuum pumpFeb 14, 13Aug 23, 16[F04D]
9410862 Device for measuring a pressure with at least one pressure sensor having at least one active sensor surfaceNov 21, 13Aug 09, 16[G01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0010,409 MEMBRANE VACUUM PUMPAbandonedJul 01, 14Jan 08, 15[F04B]
2014/0356,146 VACUUM PUMPAbandonedMay 28, 14Dec 04, 14[F04D]
2014/0333,030 APPARATUS HAVING AT LEAST ONE PASSAGE FOR CONDUCTING A GASEOUS OR A LIQUID OPERATING MEDIUMAbandonedMay 08, 14Nov 13, 14[F16J]
2014/0248,166 PUMPAbandonedFeb 27, 14Sep 04, 14[F04D]
2014/0212,296 METHOD OF COATING OF AND/OR APPLYING LACQUER ON MAGNETIC RINGS OF A ROTOR MAGNETIC BEARING, ROTOR MAGNETIC BEARING, AND VACUUM PUMPAbandonedDec 26, 13Jul 31, 14[H02K, F04D, F01D]
2014/0170,001 VACUUM SYSTEMAbandonedNov 26, 13Jun 19, 14[F04B]
2014/0017,097 PUMP MODULE AND POSITIVE DISPLACEMENT PUMPAbandonedJun 27, 13Jan 16, 14[F04B]
2013/0259,711 PUMPING SYSTEM FOR EVACUATING GAS FROM A PLURALITY OF CHAMBERS AND METHOD FOR CONTROLLING THE PUMPING SYSTEMAbandonedMar 27, 13Oct 03, 13[F04B]
8398383 Foil shield for a vacuum pump with a high-speed rotorExpiredNov 14, 05Mar 19, 13[F04B]
8202005 Bearing module for a vacuum pumpExpiredNov 09, 07Jun 19, 12[F16C]
8202072 Lubricant-tight vane rotary vacuum pumpExpiredDec 11, 07Jun 19, 12[F04C, F01C]
8123412 Vacuum pump with a bearing cage having a threaded grooveExpiredMar 20, 08Feb 28, 12[F16C]
2012/0027,583 VACUUM PUMPAbandonedOct 04, 11Feb 02, 12[F01D]
7669516 Cylinder-piston arrangementExpiredMar 15, 07Mar 02, 10[F04B, F16J]
2010/0021,324 Vacuum pumpAbandonedJul 22, 09Jan 28, 10[F04D]
7500821 Vacuum pumpExpiredFeb 04, 04Mar 10, 09[F01D]
2009/0050,289 Vaccuum Die-Casting MethodAbandonedNov 23, 05Feb 26, 09[B22D]
7495173 Vacuum housingExpiredNov 21, 06Feb 24, 09[H02G]
2008/0309,184 Support device for supporting a rotor for rotationAbandonedApr 24, 08Dec 18, 08[H02K, F16C, F01D]
2008/0145,243 Vacuum pump with a hoodAbandonedDec 12, 07Jun 19, 08[F04B]

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