Patents by Inventor David Kahn

David Kahn 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: 10817456
    Abstract: An apparatus and method for controlling a device with shared hardware resources to provide separate execution environments for control and data functions are disclosed. A processor may be configured to generate a first request to access control functions of the device in response to execution of a first thread, and generate a second request to access data functions of the device in response to execution of a second thread. A communication unit may send first indicative of the first request and second data indicative of the second request to the device via first and second ports, respectively.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: October 27, 2020
    Assignee: Oracle International Corporation
    Inventors: John R. Feehrer, Matthew Cohen, Rahoul Puri, Tayfun Kocaoglu, John Johnson, David Kahn, Alan Adamson, Sriram Jayakumar, Julia Harper, Robert G. Sheldon, Mark Kanda, Aruna Jayakumar
  • Publication number: 20170286354
    Abstract: An apparatus and method for controlling a device with shared hardware resources to provide separate execution environments for control and data functions are disclosed. A processor may be configured to generate a first request to access control functions of the device in response to execution of a first thread, and generate a second request to access data functions of the device in response to execution of a second thread. A communication unit may send first indicative of the first request and second data indicative of the second request to the device via first and second ports, respectively.
    Type: Application
    Filed: June 21, 2017
    Publication date: October 5, 2017
    Inventors: John R. Feehrer, Matthew Cohen, Rahoul Puri, Tayfun Kocaoglu, John Johnson, David Kahn, Alan Adamson, Sriram Jayakumar, Julia Harper, Robert G. Sheldon, Mark Kanda
  • Patent number: 7674333
    Abstract: A sealant having a specific gravity in the range of from about 0.7 to about 1.6 for heavy oil and/or coal bed methane fields is disclosed. The sealant has a binder including an oxide or hydroxide of Al or of Fe and a phosphoric acid solution. The binder may have MgO or an oxide of Fe and/or an acid phosphate. The binder is present from about 20 to about 50% by weight of the sealant with a lightweight additive present in the range of from about 1 to about 10% by weight of said sealant, a filler, and water sufficient to provide chemically bound water present in the range of from about 9 to about 36% by weight of the sealant when set. A porous ceramic is also disclosed.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: March 9, 2010
    Assignee: UChicago Argonne, LLC
    Inventors: Arun S. Wagh, Ramkumar Natarajan, David Kahn
  • Publication number: 20080032343
    Abstract: A process for recovering and purifying refolded heparin binding proteins produced in heterologous host cells includes the step of incubation of the solubilized protein with a polyanionic species such as dextran sulfate.
    Type: Application
    Filed: December 19, 2006
    Publication date: February 7, 2008
    Applicant: Genentech, Inc.
    Inventors: Michelle Butler, Jeffrey Cleland, David Kahn, Shelly Pizarro, Charles Schmelzer, Marjorie Winkler
  • Publication number: 20070051278
    Abstract: A sealant having a specific gravity in the range of from about 0.7 to about 1.6 for heavy oil and/or coal bed methane fields is disclosed. The sealant has a binder including an oxide or hydroxide of Al or of Fe and a phosphoric acid solution. The binder may have MgO or an oxide of Fe and/or an acid phosphate. The binder is present from about 20 to about 50% by weight of the sealant with a lightweight additive present in the range of from about 1 to about 10% by weight of said sealant, a filler, and water sufficient to provide chemically bound water present in the range of from about 9 to about 36% by weight of the sealant when set. A porous ceramic is also disclosed.
    Type: Application
    Filed: June 16, 2006
    Publication date: March 8, 2007
    Applicant: The University of Chicago
    Inventors: Arun Wagh, Ramkumar Natarajan, David Kahn
  • Publication number: 20060139644
    Abstract: A hand-held colorimetric device (101) suitable for use by blind or colour-blind individuals to determine the colour of a surface-under-test (SUT), for example of a fabric, has an aperture (110) which, in use, is covered by the SUT (113) whose colour is to be determined. Six LEDs (115A, 115B, 116B, 117A and 117B) arranged in pairs (115A/115B, 116A/116 B, 117a/117B) emitting red/orange, green, and blue light illuminate the SUT and diffuse reflections therefrom containing red/orange, green, and blue spectrum sample values are used to determine the luminous reflectivity and chromaticity values for the colour of the SUT. The measured values are compared with colorimetric values of reference surfaces to determine the colour of the SUT. The colorimetric device may output the name of the colour aurally.
    Type: Application
    Filed: December 20, 2005
    Publication date: June 29, 2006
    Inventors: David Kahn, John Davey
  • Publication number: 20020184148
    Abstract: The system provides an automated, centralized back-end payroll service with a full-featured web-based payroll system. Both aspects of the system have access to a central database, including: profile information on employers and employees; timesheet, salary and hourly wage data; overtime data; employee benefit data; and information regarding third-party providers and miscellaneous payees.
    Type: Application
    Filed: May 8, 2002
    Publication date: December 5, 2002
    Inventors: David Kahn, Barinder Singh Saini, Svetlana E. Kreimer, Shelley S. Ferguson
  • Patent number: 6401079
    Abstract: The system provides an automated, centralized back-end payroll service with a full-featured web-based payroll system. Both aspects of the system have access to a central database, which includes, for example: profile information on employers and employees; timesheet, salary and hourly wage data; overtime data; employee benefit data; and information regarding third-party providers and miscellaneous payees. The full-featured payroll system functionality is implemented in a manner that provides employers and employees (to the extent security policies permit) with a robust, data-driven user interface via a standard web browser. The central database provides the system's back-end (server-side) payroll service functionality with constant access to the data.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: June 4, 2002
    Assignee: InLeague, Inc.
    Inventors: David Kahn, Barinder Singh Saini, Svetlana E. Kreimer, Shelley S. Ferguson
  • Patent number: 6313285
    Abstract: A process is described for purifying plasmid DNA from prokaryotic cells comprised thereof. This process comprises the steps of: (a) digesting the cells; (b) incubating the cells for about 4 to 24 hours to effect lysis and solubilization thereof, without effecting enzymatic digestion of RNA; (c) removing lysate contaminants from the cells to provide a plasmid DNA solution; (d) filtering the solution through a tangential flow filtration device to obtain a retentate containing the plasmid DNA; and (e) collecting the retentate.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: November 6, 2001
    Assignee: Genentech, Inc.
    Inventors: Michelle D. Butler, Darien L. Cohen, David Kahn, Marjorie E. Winkler
  • Patent number: 4934968
    Abstract: Electrical contact device such as a terminal or a contact surface, has electrodeposited nickel thereon. The crystallites of the nickel are preferentially oriented with at least 50 percent of the volume {100} atomic planes substantially parallel to the contact surface. For many purposes, the preferentially oriented nickel surface is comparable to a gold plated contact surface.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: June 19, 1990
    Assignee: AMP Incorporated
    Inventors: Thomas F. Davis, David Kahn
  • Patent number: 4040808
    Abstract: A method for the production of an article suitable as a circuit element is formed by admixing vanadium dioxide or doped vanadium dioxide with a binder of vanadium pentoxide and phosphorus pentoxide then heating and shaping the admixture into a shape.
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: August 9, 1977
    Assignee: AMP Incorported
    Inventors: David Kahn, Raymond James Geckle
  • Patent number: 4028591
    Abstract: A polyconductor device is connected in series with a pair of current carrying contacts of a relay switch to delay the current surge through the contacts during the closure thereof. The polyconductor device has a negative temperature-resistance characteristic such that its electrical resistance value at temperatures below a predetermined transition temperature is at least several orders of magnitude larger than its resistance value at temperatures above the transition temperature. When the contacts are initially closed, only a small electric current passes through the polyconductor device which is in its high resistance state. After a predetermined time, the current heats the device to a critical temperature at which time polyconductor device switches to its low resistance state and the current flows essentially unimpeded thereby. During the heat-up time the contacts of the relay switch have completed bouncing and are in a stable, closed condition.
    Type: Grant
    Filed: October 22, 1975
    Date of Patent: June 7, 1977
    Assignee: AMP Incorporated
    Inventors: David Kahn, Howard Richard Peiffer
  • Patent number: 3983074
    Abstract: An article suitable as a circuit element is formed by admixing vanadium dioxide or doped vanadium dioxide with a binder of vanadium pentoxide and phosphorous pentoxide then heating and pressing the admixture into a shape.
    Type: Grant
    Filed: June 14, 1974
    Date of Patent: September 28, 1976
    Assignee: AMP Incorporated
    Inventors: David Kahn, Raymond James Geckle