NASH_ELMO INDUSTRIES 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 641
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F28B STEAM OR VAPOUR CONDENSERS 17

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6082973 Liquid ring machine having a rotor with sweeping edges for scraping-off depositsJun 21, 99Jul 04, 00[F04C]
5718561 Side channel compressorSep 26, 95Feb 17, 98[F04D]
5647728 Liquid ring machine having pivoted outer housingMay 07, 96Jul 15, 97[F04C]
5618164 Liquid ring compressor with plural after-cooler elementsDec 05, 95Apr 08, 97[F04C]
5591000 Compressor unitNov 21, 95Jan 07, 97[F04D]
5542822 Liquid ring pump and separator container assemblyMay 17, 95Aug 06, 96[F04B, F04C]
5511953 Mechanical compressor systemAug 08, 94Apr 30, 96[F28B, F04C]
5211543 Liquid-ring pump with pressure chamber valve plateApr 09, 92May 18, 93[F04C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0059,154 Lateral channel compressorAbandonedJan 31, 06Mar 15, 07[F04D]
6287082 Liquid ring pumpExpiredDec 29, 99Sep 11, 01[F04C]
6129508 Side channel compressorExpiredDec 29, 99Oct 10, 00[F04D]
5605443 Compressor setExpiredMay 04, 95Feb 25, 97[F01D]
5605445 Liquid ring machine having a relief passage for excess liquidExpiredJul 21, 95Feb 25, 97[F04C]
5527148 Regenerative compressor with annular cover partExpiredSep 20, 93Jun 18, 96[F04D]
5401141 Multiple-flow liquid ring pumpExpiredNov 15, 93Mar 28, 95[F04C]
5299916 Liquid-ring pump having an outlet means including a noise reducing flexible membraneExpiredDec 16, 92Apr 05, 94[F04B]
4992028 Liquid ring pumpExpiredOct 31, 89Feb 12, 91[F04C]

Top Inventors for This Owner

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