Patents by Inventor Peter M. Newgard

Peter M. Newgard 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: 4581777
    Abstract: A sealabe dispenser adapted for mounting in a liquid containing reservoir, said reservoir having closable and openable inlet and outlet ports, the level of the liquid in said reservoir being capable of being lowered and raised by the appropriate manipulation of said inlet and outlet ports, said dispenser comprising at least one storage chamber containing material to be dispensed into said liquid reservoir, said material to be dispensed from said storage chamber by means of said liquid flowing into and out of said storage chamber, said storage chamber being provided with liquid passage means for permitting said liquid to enter and leave said chamber in response to the level of the liquid in said reservoir and venting means to vent the interior of said storage chamber to the atmosphere, moveable sealing means cooperating with said liquid passage means and said venting means to seal and unseal said liquid passage means and said venting means.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: April 15, 1986
    Assignee: The Drackett Company
    Inventors: Peter M. Newgard, Maria A. Geigel
  • Patent number: 4423738
    Abstract: Intra-arterial blood pressure is noninvasively measured and monitored by an electromechanical force sensor which is made up of an array of individual force sensing elements, each of which has at least one dimension smaller than the lumen of the underlying artery wherein blood pressure is to be measured, and the individual force sensitive element which generates the waveform of maximum amplitude is used to monitor blood pressure.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: January 3, 1984
    Assignee: SRI International
    Inventor: Peter M. Newgard
  • Patent number: RE35016
    Abstract: A three-axis force measurement stylus includes a housing and a cartridge and an interface between the housing and the cartridge wherein the interface comprises a plurality of pressure sensitive sheets, preferably of variable resistance pressure sensitive Mylar films which sense the force between the cartridge and the housing. The cartridge and the housings are disposed at a skew angle relative to the axis of the stylus to be able to sense forces in three dimensions. In a specific embodiment, the cartridge forms a conical section which mates with a complimentary conical section of the housing. Membranes of the force sensitive material are provided along three fingers from an apex of the conical section. The cartridge is preloaded against the conical section by a spring between the housing and the cartridge. Alternatively to the force sensitive film, a sheet of a piezoelectric pressure-sensitive material may be substituted.
    Type: Grant
    Filed: January 30, 1992
    Date of Patent: August 15, 1995
    Assignee: SRI International, Inc.
    Inventors: Larry S. Gullman, Roy Kornbluh, Thomas P. Low, Peter M. Newgard, Eric J. Shrader