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Class Information
Number: 100/117
Name: Presses > With drain means for expressed liquid > Drainage through or along pressure surface > Movable surface > Helix
Description: Apparatus in which the surface through or along which the collecting means or duct extends is a helical member which is rotated to exert the pressing force.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7467585 |
Apparatus for converting free-flowing feed material into granules, agglomerates, pellets, compacts, and the like |
Dec. 23, 2008 |
| 7461591 |
Screw press for squeezing out fibrous material |
Dec. 9, 2008 |
| 7438810 |
Sieve device |
Oct. 21, 2008 |
| 7410568 |
Sludge treatment |
Aug. 12, 2008 |
| 7398886 |
Press for dewatering a humid substance, in particular residual refuse |
Jul. 15, 2008 |
| 7357074 |
Compression screw with combination single and double flights |
Apr. 15, 2008 |
| 7347140 |
Screw press for separation of liquid from solid-liquid mixtures especially pulp suspensions |
Mar. 25, 2008 |
| 7344033 |
Solid-liquid separator |
Mar. 18, 2008 |
| 7335311 |
Sludge treatment |
Feb. 26, 2008 |
| 7267049 |
Screw press for pressing fibrous material, in particular sugar beet pulp |
Sep. 11, 2007 |
| 7191700 |
Solid-liquid separator |
Mar. 20, 2007 |
| 7152522 |
Screw press with radial gate valve and supported screw shaft |
Dec. 26, 2006 |
| 7143690 |
Screw compressor for compressing wet matter and a method for compressing and washing |
Dec. 5, 2006 |
| 7073433 |
Auger dewatering system |
Jul. 11, 2006 |
| 7005077 |
Shipboard human waste treatment for removing solids |
Feb. 28, 2006 |
| 6946072 |
Method and apparatus for washing a fibre suspension |
Sep. 20, 2005 |
| 6925929 |
Screw press |
Aug. 9, 2005 |
| 6854382 |
Device for extracting juice from plant |
Feb. 15, 2005 |
| 6792850 |
Screw press |
Sep. 21, 2004 |
| 6736054 |
Screw press |
May. 18, 2004 |
| 6730219 |
Filter for liquid products |
May. 4, 2004 |
| 6688217 |
Twin screw extruder with conical non-parallel converging screws |
Feb. 10, 2004 |
| 6673247 |
Sludge dewatering and pasteurization process |
Jan. 6, 2004 |
| 6651822 |
Horizontal solids recycler |
Nov. 25, 2003 |
| 6637323 |
Juice extractor |
Oct. 28, 2003 |
| 6634508 |
Screw press |
Oct. 21, 2003 |
| 6588331 |
Screw press inlet section |
Jul. 8, 2003 |
| 6550376 |
Twin screw press with interrupted flights |
Apr. 22, 2003 |
| 6536602 |
Food waster separator |
Mar. 25, 2003 |
| 6520073 |
Moisture reduction press |
Feb. 18, 2003 |
| 6451213 |
Methods and apparatus for de-watering sludge |
Sep. 17, 2002 |
| 6395187 |
Horizontal solids recycler |
May. 28, 2002 |
| 6241902 |
Methods and apparatus for de-watering sludge |
Jun. 5, 2001 |
| 6217710 |
Process for regulating a screw press |
Apr. 17, 2001 |
| 6187180 |
Apparatus for screening |
Feb. 13, 2001 |
| 6071378 |
Method and device for treating a pulp suspension |
Jun. 6, 2000 |
| 5958233 |
Apparatus for efficiently dewatering corn stillage solids and other materials |
Sep. 28, 1999 |
| 5906154 |
Juice extractor |
May. 25, 1999 |
| 5873302 |
Pulp wash system |
Feb. 23, 1999 |
| 5857406 |
Screw press for separating liquids from solid-liquid mixtures |
Jan. 12, 1999 |
| 5857405 |
Apparatus and method for separating solid matter from a liquid |
Jan. 12, 1999 |
| 5772968 |
Apparatus and method for hydrolyzing keratinaceous material |
Jun. 30, 1998 |
| 5770094 |
Screw conveyor screening apparatus for removing solids from wastewater |
Jun. 23, 1998 |
| 5732618 |
Apparatus for separating liquid from a material |
Mar. 31, 1998 |
| 5715747 |
Device for treating a heterogeneous mixture, especially honey and wax |
Feb. 10, 1998 |
| 5713268 |
Worm extruder for dewatering suspensions |
Feb. 3, 1998 |
| 5699728 |
Waste food treatment apparatus |
Dec. 23, 1997 |
| 5673618 |
Screw press flight with wear resistant surface |
Oct. 7, 1997 |
| 5669291 |
Apparatus for separating whey from a slurry-like material |
Sep. 23, 1997 |
| 5665232 |
Apparatus for separating off the liquid portion from the solids portion of two-phase systems |
Sep. 9, 1997 |
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