Patents by Inventor William Wistar Rhoads

William Wistar Rhoads 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).

  • Publication number: 20220096747
    Abstract: A drug delivery system includes a delivery container including a container body adapted to accommodate a drug therein, a supply line, and a flow rate monitor. The delivery container further includes inlet and outlet ports and is constructed from a resilient material that exerts an urging force on the drug to expel the drug from the outlet port. The supply line is operably coupled to the outlet port to deliver the drug to a user. The flow rate monitor is operably coupled to at least one of the delivery container or the supply line and includes a digital controller, a fluid valve operably coupled to the digital controller, and a diaphragm assembly in fluid communication with the fluid valve and operably coupled to the digital controller. The fluid valve, the diaphragm assembly, and the digital controller cooperate to regulate a flow rate of the drug.
    Type: Application
    Filed: February 11, 2020
    Publication date: March 31, 2022
    Inventors: Adam B. McCullough, Paul Daniel Faucher, Antonio S. Murcia, Nathan Thomas Balcom, William Wistar Rhoads, Nicholas D.M. Prsha
  • Patent number: 7400855
    Abstract: Embodiments of device and methods for winding media are illustrated and described.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: July 15, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kevin Bokelman, Glenn W. Gaarder, William Wistar Rhoads
  • Patent number: 6493060
    Abstract: The footprint of a document scanning unit such as a copier, facsimile machine or document scanner or combinations thereof is reduced by causing overlap of the leading and trailing edges of long document sheets to be scanned in the document delivery roller system downstream of the scanning station. Differential slippage of the overlapping ends between a drive roller and a pinch roller is provided in a first embodiment. A second embodiment uses a moveable pinch roller in the document delivery system to selectively open and close a gap to permit slippage of the leading and trailing edges of the document. A third embodiment uses three document delivery rollers defining two spaced nips in which the leading and trailing edges of a long document are simultaneously present and a crenellated roller surface to guide the leading edge of the document to the desired nip in the delivery system.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: December 10, 2002
    Assignee: Hewlett-Packard Company
    Inventors: Glenn Gaarder, William Wistar Rhoads, Kevin Bokelman
  • Patent number: 6307614
    Abstract: The footprint of a document scanning unit such as a copier, facsimile machine or document scanner or combinations thereof is reduced by causing overlap of the leading and trailing edges of long document sheets to be scanned in the document delivery roller system downstream of the scanning station. Differential slippage of the overlapping ends between a drive roller and a pinch roller is provided in a first embodiment. A second embodiment uses a moveable pinch roller in the document delivery system to selectively open and close a gap to permit slippage of the leading and trailing edges of the document. A third embodiment uses three document delivery rollers defining two spaced nips in which the leading and trailing edges of a long document are simultaneously present and a crenellated roller surface to guide the leading edge of the document to the desired nip in the delivery system.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: October 23, 2001
    Assignee: Hewlett-Packard Company
    Inventors: Glenn Gaarder, William Wistar Rhoads, Kevin Bokelman
  • Publication number: 20010026040
    Abstract: The footprint of a document scanning unit such as a copier, facsimile machine or document scanner or combinations thereof is reduced by causing overlap of the leading and trailing edges of long document sheets to be scanned in the document delivery roller system downstream of the scanning station. Differential slippage of the overlapping ends between a drive roller and a pinch roller is provided in a first embodiment. A second embodiment uses a moveable pinch roller in the document delivery system to selectively open and close a gap to permit slippage of the leading and trailing edges of the document. A third embodiment uses three document delivery rollers defining two spaced nips in which the leading and trailing edges of a long document are simultaneously present and a crenellated roller surface to guide the leading edge of the document to the desired nip in the delivery system.
    Type: Application
    Filed: February 21, 2001
    Publication date: October 4, 2001
    Inventors: Glenn Gaarder, William Wistar Rhoads, Kevin Bokelman
  • Patent number: RE40294
    Abstract: A wet-wiping printhead cleaning system for inkjet printer incorporating a wiper for wiping the printhead including a treatment fluid applicator configured for placing treatment fluid onto at least one element of the printhead and wiper elements involved in wiping the printhead orifice plate surface, the treatment fluid being placed on said at least one element by direct contact of the applicator, subsequently the wiper wipes the printhead, the treatment being available to enhance cleaning effectiveness, the treatment fluid lubricating the wiper so as to lengthen wiper service life and enhance wiping performance, as well as acting to render unwanted accumulations on the printhead more removable by wiping.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: May 6, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: William Wistar Rhoads, Eric Joseph Johnson, Frank Drogo, John Ferraro, Paul Eliot Martinson, Steven Todd Castle, Eric Stephen Mattis