Patents by Inventor Marvin Ernesto Lopez

Marvin Ernesto Lopez 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).

  • Access door with lift assist
    Patent number: 9303441
    Abstract: The invention described herein relates to a utility vault door, or access door, positionable between closed, partially opened, and fully opened orientations and including at least one compression spring lift-assist mechanism for countering the weight of the vault door when positioning between the various orientations. The door may be selectively locked in the partially opened orientation and opened sufficiently for the convenient ingress and egress of large equipment therethrough.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: April 5, 2016
    Assignee: U.S.F. Fabrication, Inc.
    Inventors: Andres Bravo, Wolters Acosta, Marvin Ernesto Lopez
  • Access Door with Lift Assist
    Publication number: 20150218773
    Abstract: The invention described herein relates to a utility vault door, or access door, positionable between closed, partially opened, and fully opened orientations and including at least one compression spring lift-assist mechanism for countering the weight of the vault door when positioning between the various orientations. The door may be selectively locked in the partially opened orientation and opened sufficiently for the convenient ingress and egress of large equipment therethrough.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 6, 2015
    Applicant: U.S.F. FABRICATION, INC.
    Inventors: Andres Bravo, Wolters Acosta, Marvin Ernesto Lopez
  • Latching mechanism for access door
    Patent number: 8844202
    Abstract: Disclosed is a latching mechanism for a access door. More specifically, the disclosure relates to an access door that can be pivoted between opened and closed orientations and secured in the open position with the aid of a hold open arm. A latching lever, in turn, pivotally engages the hold open arm to selectively secure the access door in an opened orientation. A grip upon the hold open arm can thereafter be used in conjunction with the latching lever to release the access door and permit it to be closed.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: September 30, 2014
    Assignee: U.S.F. Fabrication, Inc.
    Inventors: Osmany M. Carralero, Marvin Ernesto Lopez, Louis S. Slimak
  • Latching Mechanism for Access Door
    Publication number: 20130031840
    Abstract: Disclosed is a latching mechanism for a access door. More specifically, the disclosure relates to an access door that can be pivoted between opened and closed orientations and secured in the open position with the aid of a hold open arm. A latching lever, in turn, pivotally engages the hold open arm to selectively secure the access door in an opened orientation. A grip upon the hold open arm can thereafter be used in conjunction with the latching lever to release the access door and permit it to be closed.
    Type: Application
    Filed: June 29, 2012
    Publication date: February 7, 2013
    Applicant: U.S.F. FABRICATION, INC.
    Inventors: Osmany M. Carralero, Marvin Ernesto Lopez, Louis S. Slimak