Tecumseh Products Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 953
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 860
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 551
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 519
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 443
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 326
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 281
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS131
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8567057 Motor-compressor unit mounting arrangement for compressorsFeb 23, 12Oct 29, 13[B23P, F01C]
8303278 Scroll compressor utilizing liquid or vapor injectionJul 06, 09Nov 06, 12[F03C, F01C]
7604466 Discharge muffler system for a rotary compressorJan 31, 05Oct 20, 09[F04C]
7422422 Compressor assembly with pressure relief valve fittingsAug 24, 04Sep 09, 08[F04B]
7401472 Modular heating or cooling systemJan 02, 04Jul 22, 08[F25D]
7352545 Compressor terminal fault interruption method and apparatusMar 05, 04Apr 01, 08[H02H]
7344367 Rotary compressor having a discharge valveJan 10, 06Mar 18, 08[F03C]
7278834 Compressor assemblies with improved mounting support and method of mounting such compressor assembliesJan 20, 04Oct 09, 07[F04B]
7273355 Compressor assembly with piston having multiple cross sectionsDec 15, 03Sep 25, 07[F04B]
7178362 Expansion device arrangement for vapor compression systemJan 24, 05Feb 20, 07[F25B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0240,814 COMPRESSOR FOR NATURAL GASAbandonedJan 06, 15Aug 27, 15[F17C, F04C]
8152497 CompressorExpiredOct 19, 06Apr 10, 12[F04B]
8152503 Baffle member for scroll compressorsExpiredJun 15, 09Apr 10, 12[F04C, F03C]
8147229 Motor-compressor unit mounting arrangement for compressorsExpiredMay 01, 07Apr 03, 12[F03C, F01C]
8057202 Tip seal for a scroll compressorExpiredOct 20, 08Nov 15, 11[F04C, F03C]
2011/0119,916 METHOD OF MAKING A REFRIGERATION SYSTEM HAVING A HEAT EXCHANGERAbandonedJan 31, 11May 26, 11[B21D]
2011/0076,169 ROTARY COMPRESSORAbandonedSep 24, 10Mar 31, 11[F04B]
7900354 Method of making a refrigeration system having a heat exchangerExpiredSep 05, 08Mar 08, 11[F25B, B21D]
7866962 Two-stage rotary compressorExpiredJul 30, 07Jan 11, 11[F04C]
7862312 Suction baffle for scroll compressorsExpiredFeb 27, 07Jan 04, 11[F01C]
2010/0288,477 CONDENSING UNIT ATTACHMENT FEATUREAbandonedMay 12, 10Nov 18, 10[F28F, B21D]
7779648 Heat exchanger with enhanced air distributionExpiredOct 28, 05Aug 24, 10[F25B]
7752860 Method and apparatus for improving evaporator performanceExpiredApr 16, 07Jul 13, 10[F25D]
7726151 Variable cooling load refrigeration cycleExpiredApr 05, 05Jun 01, 10[F25B]
7721569 Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tubeExpiredAug 31, 06May 25, 10[F25B, G05D]
2009/0301,109 METHOD AND APPARATUS FOR CONTROL OF CARBON DIOXIDE GAS COOLER PRESSURE BY USE OF A TWO-STAGE COMPRESSORAbandonedAug 18, 09Dec 10, 09[F25B]
7617696 Compact refrigeration system and power supply unit including dynamic insulationExpiredNov 12, 04Nov 17, 09[F25D]
7600390 Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressorExpiredJun 06, 05Oct 13, 09[F25B]
2009/0092,506 ROTOR ATTACHMENT FOR COMPRESSORAbandonedOct 07, 08Apr 09, 09[F04B]
7478538 Refrigerant containment vessel with thermal inertia and method of useExpiredAug 04, 05Jan 20, 09[F25B]

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