Patents by Inventor Mark Shantzis

Mark Shantzis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Separated waste collection system for multi-story building
    Patent number: 5031829
    Abstract: A system uses a single chute in a multi-story building to collect into separate large receptacles different categories of wastes already separated by the tenant for recycling. A turntable carries a large receptacle for each category of waste. Control means on each floor enables a tenant to operate the turntable to position a selected receptacle beneath the turntable to receive a particular category of waste. A microprocessor controller and interlocks on the access doors prevent conflicts between floors.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: July 16, 1991
    Inventor: Mark Shantzis