Patents by Inventor Frank J. Otto

Frank J. Otto 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).

  • Valve for water system
    Patent number: 5452744
    Abstract: A valve for use with a water filtration system has a housing and a piston contained therein. The piston has a bypass position, a shut-off position, an inservice position, and a back-flush function in relation to the housing. These functions are accomplished by maneuvering a cylinder inside a housing in a manual fashion with the appropriate handle. The housing has various ports which contact various apertures within the cylinder to provide for such a flow.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: September 26, 1995
    Assignee: Matrix IV, Inc.
    Inventor: Frank J. Otto
  • Multi-functional valve
    Patent number: 5139050
    Abstract: A multi-functional valve includes a body and a circular piston. The piston has at least one circular O-ring surrounding the piston body. There is also a side mounted O-ring with a central axis substantially perpendicular to the circular O-ring.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: August 18, 1992
    Inventor: Frank J. Otto
  • Multi-functional valve
    Patent number: 5107896
    Abstract: A multi-functional valve has a combined safety, bypass, shut-off and inservice capability. The multi-functional valve is modified to attach directly to the cylinder of an exchange unit of water treatment. This multi-functional valve has a base member and a head portion. The base member fits onto the exchange cylinder. The head portion of the multi-functional valve includes a water receiving section capable of being tapped directly into the waterline. Mounted to the head section is a lever arm to move the valve to the desired position.
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: April 28, 1992
    Assignee: John J. Gianfrancesco
    Inventor: Frank J. Otto