Patents by Inventor Andrew P. Holman

Andrew P. Holman 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).

  • Carpet cleaner
    Patent number: 5018240
    Abstract: A carpet cleaner capable of collecting larger items of litter such as cigarette ends, cigarette packages, paper as well as smaller items of particulate material such as dust and dirt. The cleaner comprises brush rollers for picking up all the debris etc and airflow causes larger items to accumulate in accumulation receptacle and smaller items in a collection unit.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: May 28, 1991
    Assignee: Cimex Limited
    Inventor: Andrew P. Holman