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Class Information
Number: 261/DIG.15
Name: Gas and liquid contact apparatus > Duct humidifiers
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552914 |
High pressure humidifier |
Jun. 30, 2009 |
| 7066452 |
Humidifier with reverse osmosis filter |
Jun. 27, 2006 |
| 6880814 |
Process gas conditioning for tobacco dryers |
Apr. 19, 2005 |
| 6824127 |
Thimble-type stream injection humidifier and quick response steam generator |
Nov. 30, 2004 |
| 6588734 |
Humidifier with swingable cover |
Jul. 8, 2003 |
| 6367782 |
Water distributor |
Apr. 9, 2002 |
| 6354572 |
Flow-through humidifier |
Mar. 12, 2002 |
| 6318706 |
Device for compressing a compressible fluid |
Nov. 20, 2001 |
| 6227526 |
Steam distribution device and method |
May. 8, 2001 |
| 6206348 |
Evaporative cooler for a gas turbine engine |
Mar. 27, 2001 |
| 6168139 |
Air flow activated control unit for a furnace |
Jan. 2, 2001 |
| 6092794 |
Secondary air humidification handler |
Jul. 25, 2000 |
| 6065740 |
Steam distribution device and method |
May. 23, 2000 |
| 5965068 |
Reversible humidifier housing |
Oct. 12, 1999 |
| 5942163 |
Low pressure jacketed steam manifold |
Aug. 24, 1999 |
| 5896751 |
Air conditioner having humidifying function |
Apr. 27, 1999 |
| 5855823 |
Steam humidifier |
Jan. 5, 1999 |
| 5853625 |
Water distribution tray for a pad-type humidifier unit |
Dec. 29, 1998 |
| 5806323 |
Adsorbent based air conditioning system |
Sep. 15, 1998 |
| 5765544 |
Flow-through humidifier for mobile home furnace |
Jun. 16, 1998 |
| 5702648 |
Self-contained room air humidifier |
Dec. 30, 1997 |
| 5653919 |
Humidification system |
Aug. 5, 1997 |
| 5407604 |
Humidifier using a neubilizer |
Apr. 18, 1995 |
| 5368784 |
Scoop humidifier |
Nov. 29, 1994 |
| 5289696 |
Modular evaporative humidification device |
Mar. 1, 1994 |
| 5277849 |
Rapid absorption steam humidifying system |
Jan. 11, 1994 |
| 5199486 |
Coated heat exchanger for humidifier |
Apr. 6, 1993 |
| 5171486 |
Rotating humidifier |
Dec. 15, 1992 |
| 5140667 |
Electric steam humidifier for mounting on the horizontal bottom wall or vertical side wall of an air duct of a forced air furnace |
Aug. 18, 1992 |
| 5075047 |
Spray pad humidifier |
Dec. 24, 1991 |
| 5037586 |
Universally mounted humidifier |
Aug. 6, 1991 |
| 4986937 |
Central air duct scooper humidifier |
Jan. 22, 1991 |
| 4913856 |
Humidifier system |
Apr. 3, 1990 |
| 4741871 |
Free flow humidifier |
May. 3, 1988 |
| 4738805 |
Humidifier |
Apr. 19, 1988 |
| 4564375 |
Humidification apparatus |
Jan. 14, 1986 |
| 4540530 |
Humidifier pad |
Sep. 10, 1985 |
| 4490311 |
Drum humidifier |
Dec. 25, 1984 |
| 4489015 |
Humidifier pad support |
Dec. 18, 1984 |
| 4389353 |
Humidifying system for mobile vehicles |
Jun. 21, 1983 |
| 4384873 |
Central steam humidifier |
May. 24, 1983 |
| 4361523 |
Humidifier |
Nov. 30, 1982 |
| 4354985 |
Water wash humidifier assembly |
Oct. 19, 1982 |
| 4278617 |
Humidifier |
Jul. 14, 1981 |
| 4257389 |
Humidifier |
Mar. 24, 1981 |
| 4240991 |
Humidifier |
Dec. 23, 1980 |
| 4237080 |
Humidifier assemblies |
Dec. 2, 1980 |
| 4222971 |
Humidifier liner |
Sep. 16, 1980 |
| 4211735 |
Humidifier nozzle mounting |
Jul. 8, 1980 |
| 4200598 |
Rotary drum humidifier |
Apr. 29, 1980 |
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