Class Information
Number: 110/179
Name: Furnaces > Doors > Fluid screens
Description: Devices for preventing the heat, gases, or flames from passing out of the furnace when the door is opened either by a spray of steam, air, or water or by causing air to be drawn into the door or having means to draw the gases through a bypass when the door is opened. These devices also serve to prevent the cold outside air from cooling the boiler.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5532456 |
Temperature and humidity controllable doorless oven |
Jul. 2, 1996 |
| 5385043 |
Contamination measurement apparatus |
Jan. 31, 1995 |
| 5285736 |
Pressure relief apparatus for a vessel |
Feb. 15, 1994 |
| 5090651 |
Gas curtain additives and zoned tunnel for soldering |
Feb. 25, 1992 |
| 5048636 |
Low noise wallbox for sootblower |
Sep. 17, 1991 |
| 4683868 |
Wood burning stove having glass cleaning system |
Aug. 4, 1987 |
| 4449922 |
Reheat furnace drop out door seal |
May. 22, 1984 |
| 4448616 |
Process for reducing backmixing |
May. 15, 1984 |
| 4308809 |
Solid waste disposal system |
Jan. 5, 1982 |
| 4193354 |
Solid waste disposal system |
Mar. 18, 1980 |
| 4168785 |
Scanner mounting system for tangential fired boiler |
Sep. 25, 1979 |
| 3933595 |
Oven door fume collection system |
Jan. 20, 1976 |
|
