Thomas Edison obtained a patent for an electrographic vote recorder.
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| Number | Title | Issue Date |
| 7422023 | Tissue valve cleansing apparatus The apparatus includes a housing having a centrally disposed longitudinal axis situated along a horizontal plane during operating conditions. The housing further has a monolithically formed flange portion extending orthogonally therefrom. The flange portion has a pl... | 09/09/2008 |
| 5377704 | Automated agitated immersion washer An improved automated agitating immersion washer includes a wash and rinse station which operates by triple-action to agitate and rotate a basket of dirty parts with respect to fluid in a tank and further turbulates the fluid with respect to the basket to... | 01/03/1995 |
| 4765020 | Silverware washing machine A flatware washer comprising a cogged endless belt mechanism mounted lengthwise in a vertical orientation within a water containment housing; the top end of the cogged belt mechanism being hung around a drive wheel mechanism having complementary cogs mati... | 08/23/1988 |
| 4739782 | Power spray parts washing machine Power spray parts washing machine having mounted therein a perforated rotating drum which rotates on a horizontal axis and is provided with air operated means for projecting a door of the drum outwardly of the door opening of the machine for loading or un... | 04/26/1988 |
| 4685481 | Washer for plant roots and other articles A washing apparatus specifically designed for isolating plant roots from core soil samples is also suited for cleaning a variety of other organic and inorganic objects, particularly when surrounded by large volumes of soil. The essential features of the a... | 08/11/1987 |
| 4682613 | Loose fill media cleaning apparatus A foraminated cylindrical container has a loading port into which loose fill media may be loaded for cleaning. The container is rotated to tumble the media and a pan for containing solvent is located so that the media will be immersed during rotation. A h... | 07/28/1987 |
| 4381285 | Contact lens sterilizing device The present invention comprises a contact lens sterilizing device (10,54,118) which chemically disinfects contact lenses (L) in a cell (20,64,134) containing antimicrobial solution (42,104,144) and which subsequently transfers the lenses (L) to a storage ... | 04/26/1983 |
| 4282042 | Wire rod steeping equipment A wire rod steeping apparatus has at least one elongated tank, a rotary shaft extending along one side of the tank, and a drive motor and reduction gear connected to the shaft for driving the rotary shaft in opposite rotational directions. A plurality of ... | 08/04/1981 |
| 4252229 | Walking beam treatment apparatus with rotatable workpiece containing barrels A treatment apparatus using a walking beam transporter is provided with an indexing mechanism for enabling barrels supported on the beam to be indexed rotationally in use, either in a treatment solution or when raised above it. The drive mechanism compris... | 02/24/1981 |
| 4236542 | Rotating fastener mechanism for holding a workpiece in a washing apparatus A rotatable fastener for holding a workpiece includes a plurality of arm members each pivotally coupled to at least two others of the arm members for scissoring movement, at least two grips situated at extremities of the arm members, and at least one tens... | 12/02/1980 |
| 4165994 | Machine for washing and drying parts Screw blanks are loaded automatically into a rotatable tub while the latter is in an inclined loading-washing position. As the tub rotates, a washing liquid is sprayed into the tub to clean residue from the blanks and to wash chips from the blanks, the li... | 08/28/1979 |
| 4163454 | Processing equipment for use in the processing of a photoengraving cylinder Equipment designed to automatically process a photoengraving cylinder through a variety of processes including plating on a metal roll, surface polishing, corrosion, development, printing and the like. In order to make more efficient such processes, this ... | 08/07/1979 |