Henn GmbH & Co KG.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL763
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 172
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G10K SOUND-PRODUCING DEVICES 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9890752 MufflerMar 06, 15Feb 13, 18[G10K, F02M, F01N, F02B]
9657878 Plug connection for connecting lines for pressurized liquids or gasesMay 06, 13May 23, 17[F16L]
8997328 Method in which a line connector by a fastening device is fastened to a line for liquid and/or gaseous mediaJan 28, 11Apr 07, 15[F16L, B23P]
8752272 Method for molding a plug and a hose or a pipeOct 07, 10Jun 17, 14[G01R]
7975373 Device for molding of plugs as a part of a pipe connectionSep 08, 06Jul 12, 11[B23P]
7614665 Plug-in connector for tube and hose lines with reinforced material cross-sectionFeb 26, 04Nov 10, 09[F16L]
7597362 Plug-in connector for tube and hose lines with catch spring guideFeb 24, 04Oct 06, 09[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0212,683 CUP-SHAPED BODY AND METHOD FOR THE PRODUCTION THEREOFAbandonedJan 28, 14Jul 31, 14[B21D]
2014/0196,977 SILENCER AND METHOD FOR MANUFACTURING THE SAMEAbandonedJan 10, 14Jul 17, 14[F01N]
2014/0196,978 SILENCER AND METHOD FOR MANUFACTURING THE SAMEAbandonedJan 14, 14Jul 17, 14[F02M]
7686345 Plug-type coupling comprising a molded sealing ring and venting meansExpiredMar 03, 06Mar 30, 10[F16L]
2009/0102,181 PLUG-IN CONNECTION ON PIPES AND HOSES WITH A PIPE DETENT RINGAbandonedJan 13, 06Apr 23, 09[F16L]
2008/0191,471 Plug-In Connection Provided With an Angle-Locking DeviceAbandonedMar 31, 05Aug 14, 08[F16L]
2008/0191,481 Method for Production of a Plug Connection and a Plug ConnectionAbandonedApr 13, 05Aug 14, 08[F16L]

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