Patents by Inventor David S. Shaffer

David S. Shaffer 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: 11952480
    Abstract: In some embodiments, the present disclosure provides a composition comprising 1) about 97.5 wt % to about 99.9 wt % of a first polyethylene having a density of about 0.91 g/cm3 to about 0.94 g/cm3, and a melt strength of about 10 mN or greater; and 2) about 0.1 wt % to about 2.5 wt % of a second polyethylene having an Mw of about 500,000 g/mol or more. In some embodiments, the composition is a film. In some embodiments, the present disclosure provides a method of making a composition comprising blending a first polyethylene of any embodiment described herein and a second polyethylene of any embodiment described herein.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: April 9, 2024
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Johannes M. Soulages, Arnold Lustiger, Thomas T. Sun, Pamela J. Wright, Madhavi Vadlamudi, Alexander I. Norman, Adriana S. Silva, David M. Fiscus, Timothy D. Shaffer
  • Patent number: 8825919
    Abstract: A system for controlled-tuning path performance data collection through a single application control. In an embodiment, performance data collection may be turned on or off from an application host running a path performance data application via a user interface. The tool may automatically update performance data collection characteristics as the application host I/O data path changes according to user controlled settings but without requiring further user intervention during the updating. In various embodiments, the tool may update continuously and/or at specified intervals. Turning on path performance data collection on the application host via the user interface may automatically set up synchronized performance data collection for all managed objects within I/O data path(s) of the managed objects.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: September 2, 2014
    Assignee: EMC Corporation
    Inventors: Ju-Lien Lim, David S. Shaffer, Hanna Yehuda, Rony R. Baenziger, Gary K. Roberts, Mark Adam Arakelian
  • Patent number: 6249814
    Abstract: A method and apparatus for identifying devices on a network. A management device is configured to multicast a query message to request identification of network devices. Each of the network devices is configured to respond to the management device multicast message by transmitting a reply message containing identification information of the responding device. The management device includes a directory containing the identification information of the network devices. The network protocol can include the TCP/IP protocol, and the packets have a format complying with a bootstrap protocol.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: June 19, 2001
    Assignee: Compaq Computer Corporation
    Inventors: David S. Shaffer, Richard A. Stupek, Jr., William D. Justice, Jr.
  • Patent number: 5588143
    Abstract: A method for use in upgrading a resource of a computer from an existing version of the resource to a later version of the resource. The method includes the steps of (a) digitally storing upgrade information which identifies the later version and describes features of the later version relative to one or more earlier versions of the resource, (b) digitally storing in the computer information identifying the existing version, by computer, automatically determining which of the earlier versions is the existing version, and (c) based on the results of the comparing step, automatically determining, or displaying to a user at least some of the upgrade information to aid the user in determining, whether to perform an upgrade. The upgrade information may be stored on a portable medium along with copies of the resources and the upgrade information may include instructions, in accordance with a predefined common syntax, for installing each of the resources.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: December 24, 1996
    Assignee: Compaq Computer Corporation
    Inventors: Richard A. Stupek, Jr., David S. Shaffer, Curtis R. Jones, Steve Davis, William D. Justice, Jr.
  • Patent number: 5586304
    Abstract: A method for use in upgrading a resource of a computer from an existing version of the resource to a later version of the resource. The method includes the steps of (a) digitally storing upgrade information which identifies the later version and describes features of the later version relative to one or more earlier versions of the resource, (b) digitally storing in the computer information identifying the existing version, by computer, automatically determining which of the earlier versions is the existing version, and (c) based on the results of the comparing step, automatically determining, or displaying to a user at least some of the upgrade information to aid the user in determining, whether to perform an upgrade. The upgrade information may be stored on a portable medium along with copies of the resources and the upgrade information may include instructions, in accordance with a predefined common syntax, for installing each of the resources.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: December 17, 1996
    Assignee: Compaq Computer Corporation
    Inventors: Richard A. Stupek, Jr., David S. Shaffer, Curtis R. Jones, Steve Davis, William D. Justice, Jr.
  • Patent number: 4980578
    Abstract: A sense amplifier 10 for a memory or logic array has a bipolar device transistor 11 that is kept from saturating by one or more unipolar transistors (12, 13) coupled between the collector (18) and base (17) of the bipolar transistor 11.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: December 25, 1990
    Assignee: Texas Instruments Incorporated
    Inventors: David S. Shaffer, Kevin M. Ovens