Patents by Inventor Edward Protiva

Edward Protiva 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: 10995617
    Abstract: An apparatus and method for protecting a person servicing a longwall shear such changing bits on a drum, embodiments relating to a base plate to be secured to an underside of a shield canopy and a slide plate movably connected to the underside of the base plate such that the slide plate can advance out from the shield canopy to allow a person to service a longwall shear while being protected by the slide plate from falling rock and other debris, and the slide plate can then retract back under the shield canopy.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: May 4, 2021
    Assignee: Swanson Industries, Inc.
    Inventors: Edward Protiva, Jessica Larew, Peter Singleton
  • Publication number: 20200400020
    Abstract: An apparatus and method for protecting a person servicing a longwall shear such changing bits on a drum, embodiments relating to a base plate to be secured to an underside of a shield canopy and a slide plate movably connected to the underside of the base plate such that the slide plate can advance out from the shield canopy to allow a person to service a longwall shear while being protected by the slide plate from falling rock and other debris, and the slide plate can then retract back under the shield canopy.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Inventors: Edward Protiva, Jessica Larew, Peter Singleton
  • Patent number: 10808533
    Abstract: An apparatus and method for protecting a person servicing a longwall shear such changing bits on a drum, embodiments relating to a base plate to be secured to an underside of a shield canopy and a slide plate movably connected to the underside of the base plate such that the slide plate can advance out from the shield canopy to allow a person to service a longwall shear while being protected by the slide plate from falling rock and other debris, and the slide plate can then retract back under the shield canopy.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: October 20, 2020
    Assignee: Swanson Industries, Inc.
    Inventors: Edward Protiva, Jessica Larew, Peter Singleton
  • Publication number: 20190353035
    Abstract: An apparatus and method for protecting a person servicing a longwall shear such changing bits on a drum, embodiments relating to a base plate to be secured to an underside of a shield canopy and a slide plate movably connected to the underside of the base plate such that the slide plate can advance out from the shield canopy to allow a person to service a longwall shear while being protected by the slide plate from falling rock and other debris, and the slide plate can then retract back under the shield canopy.
    Type: Application
    Filed: May 17, 2018
    Publication date: November 21, 2019
    Inventors: Edward Protiva, Jessica Larew, Peter Singleton