Patents by Inventor Michael E. Witty

Michael E. Witty 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).

  • Grit protected pressure regulator for pop-up sprinklers
    Patent number: 4913352
    Abstract: A pop-up irrigation sprinkler having a tubular pressure regulator mounted for movement in the pop-up stem and a funnel shaped grit protector shroud mounted within the stem above the pressure regulator to direct deleterious particulate matter downwardly through the pressure regulator.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: April 3, 1990
    Assignee: Rain Bird Consumer Products Mfg. Corp.
    Inventors: Michael E. Witty, Steven Verbera
  • Adjustable rotator for fluid samples
    Patent number: 3980227
    Abstract: Samples which are to be processed or analyzed in the laboratory are placed in small vials or cuvettes. Groups of cuvettes are placed in arcuate carriers, which are then mounted about the periphery of a rotator head. The rotator head has two selectable motions. It can rotate at a higher speed on a vertical axis for an automatically timed period, thereby subjecting the samples to mild centrifugal settling or sedimentation, or it can rotate at a lower speed about an inclined axis, thereby subjecting the sample to mild agitation or mixing.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: September 14, 1976
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Michael E. Witty, Dennis F. Shine, Dennis J. Reisdorf
  • Controlled depth aspiration cannula
    Patent number: 3937370
    Abstract: A controlled depth fluid aspiration cannula is disclosed comprising an elongated tubular member terminating at the distal end with a wall and terminating at the proximal end with attachment means to provide a sealing fitment for a flexible conduit. Radially disposed orifices are positioned near the distal end, and a radially extending flange is positioned between the ends of the tubular member to provide controlled depth aspiration of fluid.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: February 10, 1976
    Assignee: Baxter Laboratories, Inc.
    Inventor: Michael E. Witty