LEYBOLD GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS965
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR562
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 458
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 443
 
  
 
1502 PUMPS AND COMPRESSORS314
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 227
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 222
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 266
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0319,823 DRIVING AND CONTROL DEVICE FOR A VACUUM PUMP, VACUUM PUMP, AND METHOD FOR PRODUCING A CONTROL CIRCUIT BOARD FOR A VACUUM PUMPNov 10, 14Nov 03, 16[F04D]
2016/0290,343 ROTOR DEVICE FOR A VACUUM PUMP, AND VACUUM PUMPNov 05, 14Oct 06, 16[F04D]
2016/0290,349 CONTROL METHOD FOR THE ACCERLATION OF A VACUUM PUMP, IN WHICH METHOD THE INPUT CURRENT OF THE CONTROL DEVICE IS LIMITEDNov 13, 14Oct 06, 16[F04D]
2016/0273,809 COLD HEADER FOR CRYOGENIC REFRIGERATING MACHINENov 14, 14Sep 22, 16[F25B]
2014/0154,503 VACUUM PUMP COMPONENTS WITHOUT CONVERSION LAYERSJun 15, 12Jun 05, 14[C25D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9841342 Leak detection device and method for checking objects for fluid tightness by means of a leak detection deviceMay 18, 12Dec 12, 17[G01M]
9476423 Roots pump connection channels separating adjacent pump stagesAug 07, 12Oct 25, 16[F04C, F03C]
9234519 Vacuum pumpJun 07, 10Jan 12, 16[F04C]
9017051 Rotary vacuum pump with a discharge compensating channelMay 23, 13Apr 28, 15[F04C]
8926266 Multi-inlet vacuum pumpFeb 23, 10Jan 06, 15[F04D]
8814542 Vacuum pumpMay 29, 09Aug 26, 14[F04D]
8751170 Method for determining the fatigue of a pump rotor of a gas turbopumpJan 16, 08Jun 10, 14[G01M, F04B, G06F]
8740578 Vacuum pump in particular roots type pumpJun 10, 09Jun 03, 14[F04B]
8741015 Multistage oil separatorJun 18, 10Jun 03, 14[B01D]
8602759 Screw-type vacuum pump having overpressure openingsApr 13, 10Dec 10, 13[F03C, F01C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0219,102 VACUUM PUMPAbandonedJul 22, 13Aug 06, 15[F04C]

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