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Class Information
Number: 100/146
Name: Presses > Concurrent pressing and conveying > Helix-type compressor > Right and left helices
Description: Apparatus in which the material is forwarded by plural parallel rotating finned members turning oppositely.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7461591 |
Screw press for squeezing out fibrous material |
Dec. 9, 2008 |
| 7344033 |
Solid-liquid separator |
Mar. 18, 2008 |
| 7267049 |
Screw press for pressing fibrous material, in particular sugar beet pulp |
Sep. 11, 2007 |
| 7267051 |
Cotton receiving and densification apparatus for a cotton module builder of a cotton harvesting machine |
Sep. 11, 2007 |
| 7191700 |
Solid-liquid separator |
Mar. 20, 2007 |
| 6550376 |
Twin screw press with interrupted flights |
Apr. 22, 2003 |
| 6258340 |
In-vivo diagnostic method by near infrared radiation |
Jul. 10, 2001 |
| 6217710 |
Process for regulating a screw press |
Apr. 17, 2001 |
| 5743178 |
Screw press for dehydrating fibrous materials |
Apr. 28, 1998 |
| 5526740 |
Multi-screw press for dewatering waste materials |
Jun. 18, 1996 |
| 5421251 |
Apparatus for compacting material |
Jun. 6, 1995 |
| 5417155 |
Counter-rotation twin-screw extruder for extracting juice |
May. 23, 1995 |
| 5333556 |
Double press screw |
Aug. 2, 1994 |
| 5061078 |
Internal mixer |
Oct. 29, 1991 |
| 4846054 |
Apparatus for extracting fat from an animal material |
Jul. 11, 1989 |
| 4718337 |
Apparatus for the treatment of plant material |
Jan. 12, 1988 |
| 4565124 |
Screw presses |
Jan. 21, 1986 |
| 4438691 |
Screw press arrangements |
Mar. 27, 1984 |
| 4393983 |
Intermeshing screw-type refiner |
Jul. 19, 1983 |
| 4385876 |
Split wear liner for twin bore barrel assembly |
May. 31, 1983 |
| 4364664 |
Dual worm extruder having wear resistant bore walls |
Dec. 21, 1982 |
| 4214947 |
Process for the continuous impregnation of a cellulosic material |
Jul. 29, 1980 |
| 4202773 |
Apparatus for the dewatering of sludge |
May. 13, 1980 |
| 4089510 |
Screw extruder |
May. 16, 1978 |
| 4072455 |
Spiral-line press for thermoplastic synthetics |
Feb. 7, 1978 |
| 4028027 |
Screw housing for a screw machine |
Jun. 7, 1977 |
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