with two air ducts for separately transporting treated hot and cold air from the central station to the rooms

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CPC
F24F2003/0448

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F24Heating devices F24FAIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIR CURRENTS FOR SCREENING

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F24F2003/0448with two air ducts for separately transporting treated hot and cold air from the central station to the rooms

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Patents Grantslast 30 patents

Information Patent Grant
Multi-zone variable refrigerant flow heating/cooling unit
- Patent number 11,555,618
- Issue date Jan 17, 2023
- MJC, Inc.
- Edward H. Metzger
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multi-zone variable refrigerant flow heating/cooling unit
- Patent number 10,890,341
- Issue date Jan 12, 2021
- MJC, Inc.
- Edward H. Metzger
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flexible duct system
- Patent number 10,190,784
- Issue date Jan 29, 2019
- Richard L Rue
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multi-zone variable refrigerant flow heating/cooling unit
- Patent number 10,161,640
- Issue date Dec 25, 2018
- MJC, Inc.
- Kelly Gene Sprayberry
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multi-zone variable refrigerant flow heating/cooling unit
- Patent number 10,088,178
- Issue date Oct 2, 2018
- MJC, Inc.
- Kelly Gene Sprayberry
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
MULTI-ZONE VARIABLE REFRIGERANT FLOW HEATING/COOLING UNIT
- Publication number 20230296270
- Publication date Sep 21, 2023
- MJC, Inc.
- Edward H. Metzger
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MULTI-ZONE VARIABLE REFRIGERANT FLOW HEATING/COOLING UNIT
- Publication number 20210123614
- Publication date Apr 29, 2021
- MJC, Inc.
- Edward H. Metzger
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MULTI-ZONE VARIABLE REFRIGERANT FLOW HEATING/COOLING UNIT
- Publication number 20190032930
- Publication date Jan 31, 2019
- MJC, Inc.
- Edward H. Metzger
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Centralized, Multi-Zone Variable Refrigerant Flow Heating/Cooling Unit
- Publication number 20160327287
- Publication date Nov 10, 2016
- MJC, Inc.
- Kelly Gene Sprayberry
- F24 - HEATING RANGES VENTILATING