Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6827305 | Food processor A food processor having a drive subassembly is disposed in the housing and coupled to a first and a second output shaft, each output shaft having with at least one coupling location for an attachment and, in addition, by the interposition of a gear mechanism, the ou... | 12/07/2004 |
| 6161954 | Mud mixing machine and coupler An apparatus for mixing powdered or premixed drywall joint compound and water to form a joint compound mixture or slurry includes a portable container rig with a container, pumping components, and mixing components on a dolly. A mixing element rests withi... | 12/19/2000 |
| 6058793 | Parallel shaft speed reducer with sump and dry well A speed reducer for a mixing apparatus having a gear train mounted within a housing such that the output shaft is supported by upper and lower bearings mounted within the upper portion and base of the housing, respectively. The lower output shaft bearing ... | 05/09/2000 |
| 5480228 | Mixer systems A mixer system for aggressive (toxic, hazardous, corrosive, etc.) materials which are mixed (agitated, suspended, circulated, etc.) in a vessel with an impeller connected to a drive shaft has the impeller and its shaft mounted in an assembly which extends... | 01/02/1996 |
| 5102803 | Sewage sludge and organic garbage composting apparatus An apparatus for composting city sewage sludge and organic garbage to provide rich humus topsoil for city and private use. A continuous rotation of an aeration lift arm over the floor of a cylindrical tank, lifts the sludge to split it open to provide con... | 04/07/1992 |
| 4856910 | Motorized stirring apparatus Apparatus for stirring the contents of a container during cooking or during mixing of constituents of a liquid has a cross-beam which spans the container and which carries clamps that secure the cross-beam to opposite portions of the container rim. A stir... | 08/15/1989 |
| 4813785 | Mixing structure for paint colorant in a dispensing apparatus An apparatus for mixing a liquid colorant in a container. A flexible cable is rotated about its length to drive rotatable agitating structure in the container. Where a plurality of containers, each having agitating structure and an associated cable are us... | 03/21/1989 |
| 4736593 | Frozen beverage machine A frozen beverage machine is provided, comprising a frame containing a horizontally positioned stationary cylinder. A conventional cooling mechanism, typically comprising a compressor, a condenser, and cooling coils around the cylinder cools the cylinder.... | 04/12/1988 |
| 4666676 | Radioactive waste processing apparatus Apparatus for use in processing radioactive waste materials for shipment and storage in solid form in a container is disclosed. The container includes a top, and an opening in the top which is smaller than the outer circumference of the container. The app... | 05/19/1987 |
| 4552462 | Stirrer apparatus for paper stock A vane shaft is suspended within a container in a pendulum or swinging fashion at its drive shaft by means of a pivotable coupling. The drive shaft can constitute the output shaft of a drive arrangement composed of a drive motor equipped with a transmissi... | 11/12/1985 |
| 4198373 | Low profile drive for agitator shaft of chemical reactor vessel A low profile drive assembly for the agitator shaft of a reactor vessel is mounted for lateral movement relative to the agitator shaft whereby to provide access to and removal of the shaft-seal assembly via the space vacated by the drive.... | 04/15/1980 |
| 4136974 | Seal and propeller drive assembly for industrial cleaning tanks An industrial cleaning machine that has a driven propeller means extending from a housing assembly for stirring liquid in the tank and an output shaft connected to the propeller means and carried by the housing assembly, the tank having an ear portion on ... | 01/30/1979 |
| 3977656 | Domestic electric ice-cream freezer A freezer for use in a refrigerated enclosure comprises a cylindrical vessel and a reduction-gear motor unit which is removably secured to the vessel and drives a mixing paddle. In the operating position, the reduction-gear motor unit rests on part of the... | 08/31/1976 |
| 3961776 | Mixing and kneading device There is disclosed a mixing and kneading device for processing material such as synthetic plastics material. The device, which is designed primarily for use in a laboratory or for research and development work, consists of a power drive unit and a work un... | 06/08/1976 |
