Patents by Inventor Bruce D. Biehl

Bruce D. Biehl 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).

  • Subsurface filler
    Patent number: 4932445
    Abstract: A subsurface filler comprising a pneumatically controlled scale, timer, lance descent and ascent mechanism, liquid fill mechanism, movable drip tray and exhaust mechanism. The filler may be used with different sizes of containers and with hazardous and noxious liquids.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: June 12, 1990
    Inventor: Bruce D. Biehl