Joh. Heinrich Bornemann GmbH & Co. KG

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 326
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
1502 PUMPS AND COMPRESSORS116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9103342 Underwater delivery unitApr 06, 09Aug 11, 15[F04C, F04D]
9068457 Double-flow screw spindle machineFeb 10, 12Jun 30, 15[F04C, F01C]
D695318 PumpSep 26, 12Dec 10, 13[1502]
7862315 Screw displacement pumpMay 31, 06Jan 04, 11[F03C, F01C]
7810572 Method for delivering a multi phase mixture and pump installationOct 21, 04Oct 12, 10[E21B]
6332271 Method for making rotorsMay 26, 00Dec 25, 01[B23P]
5624249 Pumping process for operating a multi-phase screw pump and pumpOct 06, 95Apr 29, 97[F01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6129533 Sealing system for rotating component of a pumpExpiredMar 18, 99Oct 10, 00[F04C]
5472319 Eccentric screw pump with liquid bypass controlled by a flexible diaphragmExpiredSep 07, 94Dec 05, 95[F04B, F01C]
4580955 Eccentric screw pump for the conveying of liquids from bore holesExpiredDec 10, 84Apr 08, 86[F04C]

Top Inventors for This Owner

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