Patents by Inventor David Welter

David Welter 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: 10391775
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: August 27, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 10308015
    Abstract: Priming printheads can, in various examples, include moving a movable member of a printhead from a first position to a second position, measuring a response time of the movable member to move from the first position to the second position, and identifying the printhead as primed.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 4, 2019
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jeffrey A Wagner, David Welter, Eng Gee Jonny Goh
  • Patent number: 10112400
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: October 30, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20170326883
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: August 1, 2017
    Publication date: November 16, 2017
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20170305149
    Abstract: Priming printheads can, in various examples, include moving a movable member of a printhead from a first position to a second position, measuring a response time of the movable member to move from the first position to the second position, and identifying the printhead as primed.
    Type: Application
    Filed: January 29, 2015
    Publication date: October 26, 2017
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Jeffrey A Wagner, David Welter, Eng Gee Jonny Goh
  • Patent number: 9770914
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: September 26, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 9738080
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engage ng the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 22, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20170232752
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engage ng the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 17, 2017
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20170151794
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: February 10, 2017
    Publication date: June 1, 2017
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 9616670
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 11, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20170087860
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 9284745
    Abstract: A memorial for outdoor display is disclosed. The memorial includes a post for mounting in the ground and a display case. The display case is further comprised of a frame and a center display. The frame comprises three pieces situated on the bottom, left and right of the display case. Each piece includes a groove along an interior surface. Adapted to fit within the groove are two components of the center display: a transparent face and a print. A backing member is adapted to be disposed on the back of the frame pieces.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: March 15, 2016
    Inventors: Nick Marco, David Welter
  • Publication number: 20150202879
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: March 31, 2015
    Publication date: July 23, 2015
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 9028054
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: May 12, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8979251
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface; a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; and a latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure. The latch track includes a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, and along the unlocking track into an unlocked position at ejection.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: March 17, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20150040443
    Abstract: A memorial for outdoor display is disclosed. The memorial includes a post for mounting in the ground and a display case. The display case is further comprised of a frame and a center display. The frame comprises three pieces situated on the bottom, left and right of the display case. Each piece includes a groove along an interior surface. Adapted to fit within the groove are two components of the center display: a transparent face and a print. A backing member is adapted to be disposed on the back of the frame pieces.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 12, 2015
    Inventors: Nick Marco, David Welter
  • Patent number: 8882252
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; interfaces on the front face for connection to a cartridge receiving structure, the interfaces including an ink interface; a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; and a latch stop and a latch track, disposed in the bottom face, to guide and retain a latch of the cartridge receiving structure.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: November 11, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8727515
    Abstract: In one embodiment, a fluid ejector assembly includes: a bay for holding a detachable fluid container that includes a fluid outlet at a forward part of the container; a fluid ejector; a fluid inlet at a forward part of the bay through which fluid from the outlet of a fluid container installed in the bay may pass to the fluid ejector; and a stationary guide configured to block an improper installation of a fluid container into the bay without also blocking a proper installation of the fluid container into the bay.
    Type: Grant
    Filed: May 31, 2008
    Date of Patent: May 20, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Daniel D. Dowell, Curt Gonzales, Bruce A. McFadden, Jeffrey T. Hendricks, David Welter, Mark A. Smith
  • Publication number: 20140055537
    Abstract: An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop disposed in the latch track for engaging the latch, where the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track; and a latch guide for redirecting the latch towards the locking track, rather than the unlocking track.
    Type: Application
    Filed: October 25, 2013
    Publication date: February 27, 2014
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: D733468
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: July 7, 2015
    Inventors: Nick Marco, David Welter