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Class Information
Number: 122/39
Name: Liquid heaters and vaporizers > Film
Description: Boilers in which the liquid flows over the heating surface of the boiler in a thin stream and occupies only a limited portion of the boiler space.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5870975 |
Steam generating apparatus |
Feb. 16, 1999 |
| 5707415 |
Method of vaporizing reactants in a packed-bed, column, film evaporator |
Jan. 13, 1998 |
| 5392738 |
Steam generator for a steam bath |
Feb. 28, 1995 |
| 5333573 |
Steam generator for a steam bath |
Aug. 2, 1994 |
| 5215043 |
Steam generator for a steam bath |
Jun. 1, 1993 |
| 5195578 |
Method of and an apparatus for trickling film heat exchange |
Mar. 23, 1993 |
| 5076350 |
Heat tube designed plate heat exchanger |
Dec. 31, 1991 |
| 4733636 |
Surface tension boiler |
Mar. 29, 1988 |
| 4724824 |
Instantaneous steam generator |
Feb. 16, 1988 |
| 4704993 |
Apparatus for producing power using concentrated brine |
Nov. 10, 1987 |
| 4676200 |
Method for use dependent complete evaporation of liquid nitrogen oxide |
Jun. 30, 1987 |
| 4462342 |
Variable stage direct field boiler |
Jul. 31, 1984 |
| 4352252 |
Steam generator with direct evaporation |
Oct. 5, 1982 |
| 4307572 |
Externally cooled absorption engine |
Dec. 29, 1981 |
| 4278050 |
Rapid response steam generating apparatus |
Jul. 14, 1981 |
| 4271791 |
Rapid response steam generator II |
Jun. 9, 1981 |
| 4252087 |
Rapid response steam generating apparatus and method |
Feb. 24, 1981 |
| 3990432 |
Liquid vaporizing method and means |
Nov. 9, 1976 |
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