Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7066275 | Rock separator with beveled tines and removable grates An implement for removing rocks and preparing soil for landscaping or seeding includes a bucket attached to the lift arm of a skidsteer loader by an appropriate hitch mechanism. The bucket includes a frame mounted on the outer end thereof which supports removable an... | 06/27/2006 |
| 7055697 | System for separating fluid-borne material from a fluid that carries particulate matter along with the material A system for screening fluid-borne material from a fluid that carries particulate matter along with the material, e.g. for screening usable fibers in papermaking or tissue making white water that also contains waste material such as fines and ash. The system employs... | 06/06/2006 |
| 7055698 | Rock separator A rock separator for attachment to the boom arms of a tractor or skid steer having a bucket sieve and an apron. As the rock separator is pushed over the ground, the apron grid scoops soil and rock over the apron and into the bucket sieve. Openings through both the a... | 06/06/2006 |
| 6948620 | Debris removal from fluidized sand bed Apparatus for removing debris from a fluidized sand bed. One or more troughs extend radially from a vertical shaft. Associated with each trough is a perforated chute. The apparatus is placed into the fluidized bed of sand, and rotated. As the apparatus rotates, the ... | 09/27/2005 |
| 6651819 | Debris removal from fluidized sand bed Apparatus for removing debris from a fluidized sand bed. One or more troughs extend radially from a vertical shaft. Associated with each trough is a perforated chute. The apparatus is placed into the fluidized bed of sand, and rotated. As the apparatus ro... | 11/25/2003 |
| 6622868 | System for recovering and recycling usable fibers from white water in a papermaking process A system for recovering and recirculating usable fibers contained in papermaking white water. The system employs a flexible and pliable screen to which the papermaking white water is applied. The screen is supported in a suspended manner from a frame. The... | 09/23/2003 |
| 5700497 | Vibratory agglomerator An agglomerator structure, used in conjunction with a sifting structure, is described to provide variable sized agglomerates and uniform agglomeration, using at least one cone, with apex pointing toward the feed flow, and an inverted cone with a screen be... | 12/23/1997 |
| 4472272 | Apparatus for washing inert material In order to wash inert materials, even of a large size, with a limited amount of washing liquid and with a lesser consumption of energy and without moving metal parts, apparatus having a plurality of tubular rotors (1) which are in side-by-side relation b... | 09/18/1984 |
| 4303507 | Scraper-sifter and distributing device The present disclosure is directed to a ground-leveling and separating device for use with a front end loader having a loader bucket. The device has a blade backing trowel member having a pair of end walls and an upstanding rear wall defining an open ende... | 12/01/1981 |
| 4190525 | Litter and refuse receptacle and separator A receptacle for holding a quantity of litter material and for the deposit of refuse. A sifting screen is mounted on mechanism for movement through the bed of litter to sift therefrom the accumulated refuse, leaving the litter bed for further use. In anot... | 02/26/1980 |
| 3972566 | Solids concentrator Apparatus for separating various sizes of solid minerals, e.g., mixtures of fine sediment and larger particles or aggregates of ore, has rotating drum with internal lifters and external grousers and enables tumbling of solids in stream of water flowing th... | 08/03/1976 |
