ECR Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 365
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7722755 Method of electro-catalytic reaction to produce mono alkyl esters for renewable biodieselNov 12, 04May 25, 10[C25B, C07C]
7695534 Chemical synthesis methods using electro-catalysisMay 19, 05Apr 13, 10[C25B, C10L]
6058719 Heat pump apparatus having refrigerant level indication and associated methodsOct 27, 97May 09, 00[F25B]
5771700 Heat pump apparatus and related methods providing enhanced refrigerant flow controlNov 06, 95Jun 30, 98[F25B, F25D]
5687578 Heat pump apparatus and related methods producing enhanced refrigerant flow stabilityNov 27, 95Nov 18, 97[F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5561985 Heat pump apparatus including earth tap heat exchangerExpiredMay 02, 95Oct 08, 96[F25D]
5560220 Method for testing an earth tap heat exchanger and associated apparatusExpiredSep 01, 95Oct 01, 96[F24J, F28F]
4831843 Fluid flow control systemExpiredSep 08, 88May 23, 89[F25B]
4573327 Fluid flow control systemExpiredSep 21, 84Mar 04, 86[F25B]
4255936 Heat pump water heaterExpiredOct 20, 78Mar 17, 81[F25B]

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