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).

  • Publication number: 20140049583
    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: Application
    Filed: October 25, 2013
    Publication date: February 20, 2014
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8651642
    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: February 12, 2013
    Date of Patent: February 18, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8651643
    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 12, 2013
    Date of Patent: February 18, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Publication number: 20130222493
    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: Application
    Filed: October 22, 2010
    Publication date: August 29, 2013
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8474960
    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 during insertion in the cartridge receiving structure for connecting the interfaces, where the guide interface comprises a guide track for guiding a T-rail guide of the cartridge receiving structure, said guide track extending parallel to said straight line; and a latch track and a latch strop disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure. The guide track and the latch track are formed by one integral cut out in the bottom face of the cartridge.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: July 2, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: David C. Harvey, Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter
  • Patent number: 8388123
    Abstract: A fluid cartridge for a fluid-jet precision-dispensing device includes a supply of fluid, a fluid interconnect element, and a feature. The fluid interconnect element establishes a fluid interconnection with a corresponding fluid interconnect element of a bracket upon mating of the fluid cartridge with the bracket. The fluid interconnection permits the fluid from the fluid cartridge to be supplied to the bracket. The feature is adapted to physically clear riser surfaces of the bracket upon mating of the fluid cartridge with the bracket so that the fluid cartridge properly mates with the bracket. The riser surfaces of the bracket at least substantially reduce a likelihood of damage to the corresponding fluid interconnect element by the fluid cartridge during mating of the fluid cartridge with the bracket.
    Type: Grant
    Filed: June 8, 2008
    Date of Patent: March 5, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Mark A. Smith, David Welter
  • Publication number: 20110205297
    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: Application
    Filed: May 31, 2008
    Publication date: August 25, 2011
    Inventors: Daniel D. Dowell, Curt Gonzales, Bruce A. McFadden, Jeffrey T. Hendricks, David Welter, Mark A. Smith
  • Publication number: 20110090294
    Abstract: A fluid cartridge for a fluid-jet precision-dispensing device includes a supply of fluid, a fluid interconnect element, and a feature. The fluid interconnect element establishes a fluid interconnection with a corresponding fluid interconnect element of a bracket upon mating of the fluid cartridge with the bracket. The fluid interconnection permits the fluid from the fluid cartridge to be supplied to the bracket. The feature is adapted to physically clear riser surfaces of the bracket upon mating of the fluid cartridge with the bracket so that the fluid cartridge properly mates with the bracket.
    Type: Application
    Filed: June 8, 2008
    Publication date: April 21, 2011
    Inventors: Mark A. Smith, David Welter
  • Patent number: 6775925
    Abstract: Apparatus and a method for the evaporative cooling of a web within a dryer in a compact manner. Excess fluid overspray is controlled, thereby avoiding problems with fluid depositing on internal surfaces of the dryer, which can cause mineral build-up and can result in web breaks or quality defects if fluid drips onto the web. More specifically, a water delivery system is used which directs a water mist to the web by appropriate design and placement of the spray nozzles. The quantity of water delivered to the web is regulated, and is preferably based upon web temperature. Excess mist is controlled by directing hot air to effectively vaporize the excess mist before it is able to contact the internal surfaces of the dryer enclosure and its internal components.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: August 17, 2004
    Assignee: Megtec Systems Inc.
    Inventors: Steven J. Zagar, Paul Seidl, Jerry Packer, David Welter
  • Publication number: 20030145481
    Abstract: Apparatus and a method for the evaporative cooling of a web (5) within a dryer in a compact manner. Excess fluid overspray is controlled thereby avoiding problems with fluid depositing on internal surfaces of the dryer. Which can cause mineral build up and can result in web breaks or quality defects if fluid drips onto the web. More specifically a water delivery system (15) is used which directs a water mist to the web by appropriate design and placement of the spray nozzles (18). The quantity of water delivered to the web is regulated, and is preferably based upon web temperature. Excess mist is controlled by directing hot air to effectively vaporize the excess mist before it is able to contact the internal surfaces of the dryer enclosure (10) and its internal components.
    Type: Application
    Filed: April 14, 2003
    Publication date: August 7, 2003
    Inventors: Steven J Zagar, Paul Seidl, Jerry Packer, David Welter