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| Number | Title | Issue Date |
| 8066211 | Closed-circuit grinding plant having sifter and fine material settling device A closed-circuit grinding plant for grinding coarse material into a fine material, in particular for generating cement raw meal and/or cement from cement clinker, the plant having at least two roller presses disposed about a central riser shaft which pneumatically t... | 11/29/2011 |
| 7252251 | Method for preconcentration of organic synthetic materials derived from shredding of end-of-life durable goods Process for pre-concentration of recoverable polymer materials formed from residues from grinding consumer durable goods at the end of their lives such as automobiles, computer equipment and household appliances, consisting of treating the residue by steps in sequen... | 08/07/2007 |
| 5370322 | Filtering particulate cellulosic-based material A method is provided for filtering shredded cellulose-based material, for example to enable the formation of a mixture containing cellulose dispersed in a solvent for cellulose such as amine oxide. The shredding operation creates both fine particles of ce... | 12/06/1994 |
| 5158238 | Process and apparatus for recovery of lead shot, bullets and slugs from firing ranges This invention relates to process and apparatus for recovering and cleaning lead shot, bullets and slugs of various sizes from shooting range backstops and similar sites. The process involves excavating the site material and delivering same to a surge hop... | 10/27/1992 |
| 4156507 | Apparatus for removing samples of stream of granular material and for preparing analytical samples therefrom Apparatus for removing samples from a stream of materials and for producing analytical samples therefrom comprising conveying a stream of granular material on a conveyor and discharging the material from the end of the conveyor through a hopper located in... | 05/29/1979 |
| 4098181 | Disposal installation for domestic waste Disposal installation for domestic waste, to be used e.g. in or near kitchens of houses, hotels and the like, whereby the installation comprises a common holder, in which four separate and separated chutes are accommodated, which are meant for the disposa... | 07/04/1978 |
