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Your search returned 349 patents.
( 209/3 in Current US Classification ) |
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| 1 2 3 4 |
| Patent ID | Title | Date Filed |
| 5975442 | Cable granulator
| September 2, 1998 |
| 5957295 | Apparatus and method for the processing of refuse mixtures including plastic waste
| January 16, 1998 |
| 5951940 | Method of recycling post-consumer plastic waste
| March 20, 1996 |
| 5947299 | Hydraulic reactor and classifier for solid particles with ultrasonic application
| October 17, 1997 |
| 5944986 | Liquid purification apparatus
| September 18, 1996 |
| 5936216 | Froth floatation process for separating carbon from coal ash
| December 1, 1998 |
| 5934477 | Separation apparatus and method for granular material
| December 29, 1997 |
| 5921481 | Air classifier with specified truncated cone-like breather pipe
| September 16, 1997 |
| 5900604 | Progressive mineral reduction with classification, grinding and air lift concentration
| March 18, 1997 |
| 5885330 | Separation system and method of unburned carbon in flyash from a coal-fired power plant
| July 7, 1997 |
| 5840179 | Ultrasonic conditioning and wet scubbing of fly ash
| March 17, 1998 |
| 5824210 | Separation of minerals
| July 29, 1996 |
| 5803142 | Debarking and chipping folded whole-trees
| September 8, 1997 |
| 5794791 | Coal cleaning process
| June 7, 1995 |
| 5776304 | Method and apparatus for treating filler-containing material, such as recycled fibers
| January 24, 1996 |
| 5772777 | Method for processing composite materials to enable recycling thereof
| June 12, 1997 |
| 5765694 | Seed cotton module handler and trash separator
| June 29, 1995 |
| 5697704 | Method and apparatus for separating clumps of dried fruit
| July 3, 1996 |
| 5688693 | Method and system for sampling and determining the presence of contaminants in recyclable plastic materials
| April 29, 1996 |
| 5676255 | Method of recycling medical instruments
| July 28, 1995 |
| 5586660 | Process and apparatus for screening a stream of bulk material
| January 6, 1995 |
| 5567245 | Method for separating vinylidene chloride polymer from other polymers
| November 22, 1994 |
| 5551489 | Agglomeration of finely divided powders
| October 3, 1994 |
| 5527432 | Method of dry separating fibers from paper making waste sludge and fiber product thereof
| January 28, 1994 |
| 5507074 | Decorticating method for separating bast from core of forage chopped kenaf or the like
| February 24, 1995 |
| 5490928 | Tandem waterwheel trommel
| October 17, 1994 |
| 5484238 | Refuse bag opening device
| October 11, 1994 |
| 5447238 | Separating mechanism
| May 4, 1994 |
| 5431285 | Vehicle unloading facility with computer directed sampling
| November 16, 1993 |
| 5415515 | Garbage bag opener
| November 22, 1993 |
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