HVAC MODULATION TECHNOLOGIES LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 483
 
  
 
F23D BURNERS 329
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 219
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 243
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 126
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8173950 Single track optical encoderDec 23, 08May 08, 12[G01D]
7075255 Variable speed controller for a family of multi-tap motorsJul 26, 05Jul 11, 06[H02P]
6329783 Apparatus for continuously variable speed electric motor applicationsDec 30, 99Dec 11, 01[H02P]
6329785 Pulse width modulated controlled induction motorFeb 29, 00Dec 11, 01[H02P]
6299433 Burner controlNov 05, 99Oct 09, 01[F23N]
6133699 Method and apparatus for operating a plurality of motors with a single controllerOct 18, 96Oct 17, 00[G10D]
6004129 Burner housing and plenum configuration for gas-fired burnersFeb 02, 99Dec 21, 99[F23D]
5997285 Burner housing and plenum configuration for gas-fired burnersAug 18, 97Dec 07, 99[F23D]
5971745 Flame ionization control apparatus and methodNov 13, 96Oct 26, 99[F23N]
5932981 Apparatus and method for reduced voltage controllerJan 17, 97Aug 03, 99[G05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0108,971 Rooftop high-efficiency gas furnace control with condensate managementAbandonedNov 01, 11May 02, 13[F24H, F23N, G05D]
2009/0277,196 APPARATUS AND METHOD FOR MODULATING COOLINGAbandonedMay 01, 09Nov 12, 09[F04B, F25B, F25D]
7293718 Variable output heating and cooling controlExpiredMar 15, 05Nov 13, 07[F24H]
6866202 Variable output heating and cooling controlExpiredSep 06, 02Mar 15, 05[F23N]
6864659 Variable speed controller for air moving applications using an AC induction motorExpiredJul 09, 02Mar 08, 05[H02P]
6504338 Constant CFM control algorithm for an air moving system utilizing a centrifugal blower driven by an induction motorExpiredJul 12, 01Jan 07, 03[H02P]

Top Inventors for This Owner

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