Field Diagnostic Services, 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 464
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
 
 
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
8024938 Method for determining evaporator airflow verificationNov 14, 07Sep 27, 11[F25B]
7079967 Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipmentDec 02, 03Jul 18, 06[G06F]
6973793 Estimating evaporator airflow in vapor compression cycle cooling equipmentJul 07, 03Dec 13, 05[F25B, F25D]
6701725 Estimating operating parameters of vapor compression cycle equipmentMay 10, 02Mar 09, 04[F25B]
6658373 Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipmentAug 24, 01Dec 02, 03[G06F, F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0022,346 CONTROLLER AND METHOD FOR IMPROVING THE EFFICIENCY OF HEATING AND COOLING SYSTEMSAbandonedFeb 23, 10Jan 27, 11[G01K, G01L, G06F]
2008/0196,425 Method for evaluating refrigeration cycle performanceAbandonedDec 14, 07Aug 21, 08[F25B]

Top Inventors for This Owner

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