"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7311745 | Device for heating and/or demisting a vehicle A heater and/or demister device D for installing in a heater and/or demister circuit of a vehicle. The device D is provided with a fan 7 for producing a flow of warm air from a flow of ambient air and a flow of compressed hot air taken from an engine of the v... | 12/25/2007 |
| 6685007 | Sluice for discharging bulk material A sluice (2) for discharging bulk material, in particular fibers, from a cyclone device comprises a circumferential wall (4) in the form of a curved bendable band, which defines a generally cylindrical chamber (10) with an inlet (38) for receiving bulk ma... | 02/03/2004 |
| 5177888 | Discharge chute assembly for snowthrower A discharge chute assembly (30) includes a chute (32) and a pivotal deflector (34), the overlapping end portions of which define a partial spherical or ball joint (40) which maintains a tight seal against backflow and leakage over the entire range of rota... | 01/12/1993 |
| 4874130 | Device for distributing a granular or powdery substance A device for overhead dusting of a field with fertilizer or particulate material includes an overhead suction impeller having a central annulus receiving a vertical pipe leading from a flow-controlled hoppr discharge. A cover on the pipe confines the disc... | 10/17/1989 |
| 4316681 | Blending equipment A blending equipment mounted on the ceiling of a blending bin has a conveyor airduct for introducing materials or raw cotton from the exterior of the blending bin into the interior thereof. The conveyor airduct has a lower end with which one end of a spre... | 02/23/1982 |
| 4272028 | Spreader for and operative by a granular product The subject invention is directed to a spreader adapted for support in an upper entrance or inlet of a storage facility or bin for spreading and depositing the product in a circular area to a substantially uniform depth and comprises a hopper or funnel fo... | 06/09/1981 |
| 4216914 | Material spreader The spreader assembly is located below the central fill opening in the roof of a circular grain or storage bin for evenly distributing the grain over the floor area of the bin. Grain is directed downwardly into a rotatable funnel shaped hopper, the bottom... | 08/12/1980 |
| 4178114 | Apparatus for dividing a flock-laden air stream in pneumatic transporting systems for spinning machines A rotatable cylinder or the like is provided between the branch duct and the main transporting duct in order to draw off a part flow of flock-laden air from the main air stream passing through the transport duct. The cylinder may be an integral part of th... | 12/11/1979 |
| 4159151 | Silo filling apparatus An overhead silo filling device for uniformly distributing ensilage and particulate materials in substantially symmetrical concentric fashion around a central axis of silos and the like comprises a hollow chamber with a discharge outlet at the lower end a... | 06/26/1979 |
| 4155602 | Trash removal apparatus for sugar cane harvesters Trash removal apparatus in a sugar cane harvester comprises an axial flow extractor fan having multiple blades to draw trash out of harvested cane and to discharge it through a duct on the pressure side of the fan. The duct is in the form of a helical tra... | 05/22/1979 |
| 4006938 | Method and apparatus for separating and distributing fibrous materials The invention provides a method and an apparatus for separating and collecting fibrous material in a silo having a side wall defining an interior for storing fibrous material and having an inlet and outlet, the apparatus comprising a flat disc having a pe... | 02/08/1977 |