Patents by Inventor Glenn R. Sprague

Glenn R. Sprague 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: 20220233983
    Abstract: A multi-piece air filter housing, air filter assembly, and method for assembling an air filter for use with a heating, ventilation, and air conditioning (HVAC) systems or stand alone air circulation devices. In one example at least a first sidewall section and a second sidewall section include sidewall connectors allowing the first and second sidewall sections to be connected defining an interior cavity for receipt and support of air filter media. In one example, the air filter housing includes four modular sidewall sections that are connected together to form the air filter housing. A housing connector is used to secure the air filter housing and filter media circumferentially around a forced air passage opening to direct airflow through the air filter housing and filter media. In one example, the air filter assembly is useful for suspending ceiling HVAC vents.
    Type: Application
    Filed: December 30, 2021
    Publication date: July 28, 2022
    Inventors: Matthew J. Carr, Glenn R. Sprague
  • Patent number: 8082630
    Abstract: A vehicle door hinge includes a base, a main link having first and second arms, a first end of the main link being pivotally mounted to the base at a first pivot, a drive link pivotally connected to an end of a control link, the drive link passing through a slot in the main link, a mounting plate having open ended slots opening at a first end of the plate, at least one closed end slot wherein an end of the drive link is pivotally secured in one of the open ended slots, an idle link pivotally secured in a closed end slot of the main link and an open ended slot of the door mounting plate, a kicker link having a first end thereof pivotally secured in the open ended slot of the main link and a second end pivotally secured in a closed end slot of the door mounting plate wherein the kicker link is longer than the idle link.
    Type: Grant
    Filed: February 28, 2009
    Date of Patent: December 27, 2011
    Inventors: Glenn R. Sprague, Keith R. Sprague
  • Publication number: 20090271949
    Abstract: A vehicle door hinge includes a base, a main link having first and second arms, a first end of the main link being pivotally mounted to the base at a first pivot, a drive link pivotally connected to an end of a control link, the drive link passing through a slot in the main link, a mounting plate having open ended slots opening at a first end of the plate, at least one closed end slot wherein an end of the drive link is pivotally secured in one of the open ended slots, an idle link pivotally secured in a closed end slot of the main link and an open ended slot of the door mounting plate, a kicker link having a first end thereof pivotally secured in the open ended slot of the main link and a second end pivotally secured in a closed end slot of the door mounting plate wherein the kicker link is longer than the idle link.
    Type: Application
    Filed: February 28, 2009
    Publication date: November 5, 2009
    Inventors: Glenn R. Sprague, Keith R. Sprague
  • Patent number: 4837590
    Abstract: A mobile office comprises a carrying case having a hollow rectangular base and a hollow cover hingedly connected thereto; with a first platform positioned within the base and anchored therein. A lap-top computer is mounted upon and anchored to the first platform adapted for connection to an electric power source and includes a video display screen normally enclosed within the profile of the cover when closed and pivotal to an upright use position when the cover is open. A second platform is positioned within the base and anchored therein and spaced from the bottom of the base defining a paper storage chamber. An electronic pointer is mounted upon and anchored to the second platform and connected to the computer. A stack of tractor feed manifold paper is positioned within the storage chamber with its lead edge threaded into the printer. The cover includes a storage chamber for a multiple chamber collapsible manifold and a second chamber with cover to mount and close a cellular telephone and modem.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: June 6, 1989
    Inventor: Glenn R. Sprague