| |
 |
|
Class Information
Number: 122/5.52
Name: Liquid heaters and vaporizers > Air-injected > Combustion gas and vapor contact
Description: Devices wherein the vapor is combined with the byproducts of burning fuels.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7093566 |
Vapor generator |
Aug. 22, 2006 |
| 5967137 |
High efficiency direct-contact high temperature water heater |
Oct. 19, 1999 |
| 5771845 |
Vaporization method device |
Jun. 30, 1998 |
| 5769067 |
Air heater and humidifier using direct contact heating principles and method of operation |
Jun. 23, 1998 |
| 4846148 |
Heating apparatus and method |
Jul. 11, 1989 |
| 4768495 |
Heating apparatus and method |
Sep. 6, 1988 |
| 4765280 |
Direct-contact type hot water heater |
Aug. 23, 1988 |
| 4706611 |
Methods and apparatus for producing steam without a boiler |
Nov. 17, 1987 |
| 4686940 |
Device for heating a fluid and for cleaning waste gases from heating systems |
Aug. 18, 1987 |
| 4685444 |
Process and equipment for heating a liquid without pollution of the environment |
Aug. 11, 1987 |
| 4658803 |
Gas-fired water heaters |
Apr. 21, 1987 |
| 4644905 |
Method of producing steam |
Feb. 24, 1987 |
| 4604988 |
Liquid vortex gas contactor |
Aug. 12, 1986 |
| 4527514 |
Direct contact liquid heater and heating method |
Jul. 9, 1985 |
| 4520761 |
Direct contact water heater |
Jun. 4, 1985 |
| 4461223 |
Method and an apparatus for producing moisturized hot air |
Jul. 24, 1984 |
| 4233024 |
Apparatus for destructive distillation of cellulosic materials |
Nov. 11, 1980 |
| 4156421 |
Method and apparatus for producing thermal vapor stream |
May. 29, 1979 |
|
|
|
