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Class Information
Number: 126/113
Name: Stoves and furnaces > Hot-air furnaces > Air moisteners
Description: Hot air furnaces having a water pan so formed and arranged as to produce vapor which moistens the air heated by the furnace.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552914 |
High pressure humidifier |
Jun. 30, 2009 |
| 6766651 |
Central media dispenser for use in HVAC system |
Jul. 27, 2004 |
| 6705535 |
Side entry humidifier |
Mar. 16, 2004 |
| 6684878 |
Condensate drainage system for an outdoor condensing furnace |
Feb. 3, 2004 |
| 6588734 |
Humidifier with swingable cover |
Jul. 8, 2003 |
| 6572085 |
Humidifier with reversible housing and distribution tray overflow |
Jun. 3, 2003 |
| 6553777 |
Central media dispenser for use in HVAC system |
Apr. 29, 2003 |
| 6398196 |
Steam humidifier for furnaces |
Jun. 4, 2002 |
| 6397786 |
Indirect damp generator |
Jun. 4, 2002 |
| 6286501 |
Humidifier system |
Sep. 11, 2001 |
| 6254008 |
Board mounted sensor placement into a furnace duct |
Jul. 3, 2001 |
| 6220039 |
Method of humidity control utilizing dewpoint |
Apr. 24, 2001 |
| 6099404 |
Process and apparatus for the humidification of air in an aircraft cabin |
Aug. 8, 2000 |
| 5965068 |
Reversible humidifier housing |
Oct. 12, 1999 |
| 5873357 |
Two piece humidifier for hot air furnace |
Feb. 23, 1999 |
| 5850326 |
Narrow track thin film magnetic head suitable for high density recording and reproducing operations and fabrication method thereof wherein an air bearing surface has at least one groove contai |
Dec. 15, 1998 |
| 5816496 |
Gas fired humidifier |
Oct. 6, 1998 |
| 5769067 |
Air heater and humidifier using direct contact heating principles and method of operation |
Jun. 23, 1998 |
| 5765544 |
Flow-through humidifier for mobile home furnace |
Jun. 16, 1998 |
| 5752498 |
Elliptical beam load cell |
May. 19, 1998 |
| 5740790 |
Counter-flow heating and air conditioning method for installing air conditioner unit therein |
Apr. 21, 1998 |
| 5570680 |
Condensing furnace hot air humidification |
Nov. 5, 1996 |
| 5560350 |
High efficiency, forced hot air heater which humidifies and cleans the air |
Oct. 1, 1996 |
| 5546926 |
Whole house humidifier for use with hot air heating systems |
Aug. 20, 1996 |
| RE34739 |
Seal retaining configuration for humidifier |
Sep. 27, 1994 |
| 5341986 |
Control circuit and device for humidifying air in a heating system |
Aug. 30, 1994 |
| 5301873 |
Low fluid indicator for pressurized canister |
Apr. 12, 1994 |
| 5252260 |
Humidifier electrical control assembly |
Oct. 12, 1993 |
| 5199486 |
Coated heat exchanger for humidifier |
Apr. 6, 1993 |
| 5184600 |
Regulating the humidity of a heated space by varying the amount of moisture transferred from the combustion gases |
Feb. 9, 1993 |
| 5131589 |
Humidifier |
Jul. 21, 1992 |
| 5109916 |
Air conditioning filter system |
May. 5, 1992 |
| 5099823 |
Seal retaining configuration for humidifier |
Mar. 31, 1992 |
| 5093895 |
Humidifier attachable to baseboard radiator |
Mar. 3, 1992 |
| 5075047 |
Spray pad humidifier |
Dec. 24, 1991 |
| 5067473 |
Heater with a humidifier |
Nov. 26, 1991 |
| 5036829 |
Heating apparatus |
Aug. 6, 1991 |
| 4987881 |
Fuel burning furnace |
Jan. 29, 1991 |
| 4986937 |
Central air duct scooper humidifier |
Jan. 22, 1991 |
| 4971245 |
Heater-cooler of a vehicle cab |
Nov. 20, 1990 |
| 4967728 |
Humidifier apparatus |
Nov. 6, 1990 |
| RE33414 |
Electric steam humidifier |
Oct. 30, 1990 |
| 4922890 |
Fuel burning furnace |
May. 8, 1990 |
| 4913034 |
Air handling system with deodorizer injection |
Apr. 3, 1990 |
| 4903583 |
Aerosol air and duct treatment apparatus for air conditioning and heating systems |
Feb. 27, 1990 |
| 4825847 |
Air furnace system |
May. 2, 1989 |
| 4811723 |
Method and a device for the generation of hot air |
Mar. 14, 1989 |
| 4768707 |
Humidifier for convection baseboard heater |
Sep. 6, 1988 |
| 4741871 |
Free flow humidifier |
May. 3, 1988 |
| 4706884 |
Hot air heating system |
Nov. 17, 1987 |
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