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Class Information
Number: 159/11.2
Name: Concentrating evaporators > Film type > Rotary drum or disk > Internal film
Description: Apparatus wherein the film contacts the internal surface of the drum or disk.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6265625 |
Isolation of glycols |
Jul. 24, 2001 |
| 6110432 |
Collider chamber apparatus and method of use of same |
Aug. 29, 2000 |
| 5906483 |
Rotary film calciner |
May. 25, 1999 |
| 5607558 |
Method for selective and/or unselective vaporization and/or decomposition of, particularly, hydrocarbon compounds and apparatus for carrying out such a method |
Mar. 4, 1997 |
| 5472575 |
Vacuum and infra-red radiation solvent evaporation |
Dec. 5, 1995 |
| 5100510 |
Apparatus for manufacturing high bulk density particulate fabric softening synthetic anionic organic detergent compositions |
Mar. 31, 1992 |
| 4913777 |
Solvent evaporator |
Apr. 3, 1990 |
| 4790911 |
Solvent evaporator |
Dec. 13, 1988 |
| 4738295 |
Method and apparatus for evaporating a fluid in a rotating vacuum evaporation system |
Apr. 19, 1988 |
| 4693304 |
Submerged rotating heat exchanger-reactor |
Sep. 15, 1987 |
| 4613409 |
High rate solar still and process |
Sep. 23, 1986 |
| 4569648 |
Self-cleaning rotating drum |
Feb. 11, 1986 |
| 4522684 |
Elevational operating device for a rotary evaporator |
Jun. 11, 1985 |
| 4500390 |
Elastic scraper for high-capacity film device |
Feb. 19, 1985 |
| 4441963 |
Distillation apparatus |
Apr. 10, 1984 |
| 4341595 |
Rotary vane type evaporator |
Jul. 27, 1982 |
| 4279692 |
Rotary vane type evaporator |
Jul. 21, 1981 |
| 4249989 |
Isolating solid substances from a vapor and gas mixture and pulps |
Feb. 10, 1981 |
| 4153500 |
Thin film coating evaporator |
May. 8, 1979 |
| 4065346 |
Roter thin-film evaporator |
Dec. 27, 1977 |
| 4063994 |
Process for production of powdered tea product |
Dec. 20, 1977 |
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