Patents by Inventor David Calvert

David Calvert 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: 12036664
    Abstract: An end effector is disclosed that is configured for connection to a robotic unit used to manipulate a door of a vehicle (e.g., during vehicle painting). The end effector includes a base plate; a sensor that is supported by the base plate; and a piston that is configured for engagement with the door. The piston is operatively connected to an interrupter such that movement (displacement) of the piston causes corresponding movement (displacement) of the interrupter between a first position, in which the interrupter is positioned in alignment with a signal transmitted across the sensor to interfere with the signal and thereby interrupt circuit completion, and a second position, in which the interrupter is out of alignment with the signal transmitted across the sensor to permit circuit completion and thereby inform the robotic unit that the door is present and engaged with the end effector.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: July 16, 2024
    Assignee: Nissan North America, Inc.
    Inventors: Andrew Williamson, Gregory Michel, Travis Fritsche, David Calvert, Terry Cox
  • Publication number: 20220369641
    Abstract: The present invention relates to a crystalline molecular complex comprising: (a) the herbicide pinoxaden, and (b) a second herbicide selected from the group consisting of fluroxypyr, 2,4-dichlorophenoxyacetic acid, 2-methyl-4-chlorophenoxyacetic acid and 3,6-dichloro-2-methoxybenzoic acid. The invention also relates to processes for the preparation of the crystalline molecular complex, a herbicidal composition comprising the crystalline molecular complex, and use of the herbicidal composition.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 24, 2022
    Inventors: Thierry BONNAUD, David CALVERT, Alan CHORLTON, David GRASSI, Thomas KENDALL, Jose VILLORIA
  • Publication number: 20210354312
    Abstract: An end effector is disclosed that is configured for connection to a robotic unit used to manipulate a door of a vehicle (e.g., during vehicle painting). The end effector includes a base plate; a sensor that is supported by the base plate; and a piston that is configured for engagement with the door. The piston is operatively connected to an interrupter such that movement (displacement) of the piston causes corresponding movement (displacement) of the interrupter between a first position, in which the interrupter is positioned in alignment with a signal transmitted across the sensor to interfere with the signal and thereby interrupt circuit completion, and a second position, in which the interrupter is out of alignment with the signal transmitted across the sensor to permit circuit completion and thereby inform the robotic unit that the door is present and engaged with the end effector.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Inventors: Andrew Williamson, Gregory Michel, Travis Fritsche, David Calvert, Terry Cox
  • Patent number: 8701940
    Abstract: An apparatus includes a refrigerator door, comprising an inner door material and an outer door material, wherein a portion of the outer door material of the refrigerator is formed into a shape of a dispenser recess. The apparatus also includes a support structure, wherein the support structure is situated behind the dispenser recess of the outer door material and in front of the inner door material, and wherein the support structure facilitates implementation of one or more dispenser features. A refrigerator using the apparatus is also disclosed.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: April 22, 2014
    Assignee: General Electric Company
    Inventors: Andrew Krause, Justin Berger, Christopher Bissig, David Calvert, Bernhard Klaus, Robert Lewis, Vinayak Reddy, Edward Strauss, Jarvis Ward, Joseph Wimsatt
  • Publication number: 20130068793
    Abstract: An apparatus includes a refrigerator door, comprising an inner door material and an outer door material, wherein a portion of the outer door material of the refrigerator is formed into a shape of a dispenser recess. The apparatus also includes a support structure, wherein the support structure is situated behind the dispenser recess of the outer door material and in front of the inner door material, and wherein the support structure facilitates implementation of one or more dispenser features. A refrigerator using the apparatus is also disclosed.
    Type: Application
    Filed: September 20, 2011
    Publication date: March 21, 2013
    Inventors: Andrew Krause, Justin Berger, Christopher Bissig, David Calvert, Bernhard Klaus, Robert Lewis, Vinayak Reddy, Edward Strauss, Jarvis Ward, Joseph Wimsatt
  • Publication number: 20090308416
    Abstract: An ultrasonic cleaner apparatus with an opening mechanism including a plurality of lugs preferably formed on a top surface of the apparatus, a lid enclosing the apparatus and resting on the lugs when the lid is in a closed position, and a rim formed exterior to the lugs, wherein the lid is secured in an open position between two or more of the plurality of lugs and the rim. A drain assembly coupled to the ultrasonic cleaner provides an advantageous configuration for dispensing cleaning and/or sterilizing fluid and the like from the apparatus.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 17, 2009
    Applicant: COLTENE WHALEDENT INC.
    Inventors: Zachary Utz, John Florian, Douglas Mansor, James Fitzsimmons, Dean Dao, Jonathan Frato, David Calvert
  • Publication number: 20080067784
    Abstract: A safety locking device 18 for a quick hitch/coupler 10 of an earth working machine. The safety locking device 18 has a locking element 21 which is biased into a locking position to automatically lock a front pin of an implement when it is engaged in the hook 14 of the coupler 10. The safety locking device 18 has an hydraulic operable mechanism to move the locking element 21 to an unlocking position. The hydraulic supply to the safety locking device 18 is independent of the hydraulic supply to a locking mechanism 16 of the coupler 10.
    Type: Application
    Filed: May 2, 2007
    Publication date: March 20, 2008
    Applicant: WEDGELOCK EQUIPMENT LIMITED
    Inventors: Matthew Calvert, David Calvert