Patents by Inventor Daniel Schwalenberg

Daniel Schwalenberg 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).

  • Patent number: 5909847
    Abstract: A manifolded multiple wand spray apparatus with internal cleaning brushes and a flush valve that is activated when the rods carrying the cleaning brushes are rotated is disclosed. Valves that redirect the flow of water away from the manifold for a brief period during which spray orifice cleaning can be accomplished and an air intake valve that will admit air into the manifold to speed the flushing and create a negative pressure in the spray wands so as to draw obstructing materials into the spray wand during flushing is also disclosed.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: June 8, 1999
    Assignee: Productive Solutions Inc.
    Inventors: Denis Munsche, Daniel Schwalenberg