with two air ducts for separately transporting treated hot and cold primary air from the central station to air treatment units located in or near the rooms

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Patents Grantslast 30 patents

Information Patent Grant
Air terminal for heating or air conditioning system
- Patent number 10,180,285
- Issue date Jan 15, 2019
- Carrier Corporation
- Olivier Josserand
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Temperature control of unoccupied living spaces
- Patent number 4,215,408
- Issue date Jul 29, 1980
- United Technologies Corporation
- John E. Games
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy conservative control of heating, ventilating, and air condit...
- Patent number 4,205,381
- Issue date May 27, 1980
- United Technologies Corporation
- John E. Games
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Dual duct variable volume air conditioning system
- Patent number 4,039,124
- Issue date Aug 2, 1977
- Universal Pneumatic Controls, Inc.
- LeRoy Ginn
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Dual duct variable volume air conditioning system
- Patent number 3,934,795
- Issue date Jan 27, 1976
- Universal Pneumatic Controls, Inc.
- Le Roy Ginn
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
3638857
- Patent number 3,638,857
- Issue date Feb 1, 1972
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
3602427
- Patent number 3,602,427
- Issue date Aug 31, 1971
- F24 - HEATING RANGES VENTILATING