Patents by Inventor Gregory A. Cveykus

Gregory A. Cveykus 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).

  • Adjustable gravity-driven lifting device
    Patent number: 10227217
    Abstract: A lifting device is disclosed in which tong arms are coupled to parallel laminated horizontal spine members that slide in opposition to each other via input of force from the tong arms. The horizontal spine members are coupled to load-engaging feet to transfer the force of the tong members to a given load. The horizontal spine members include teeth or the like along a horizontal axis for engagement and indexing of the load-engaging feet.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 12, 2019
    Assignee: Kenco Corporation
    Inventors: Gregory A. Cveykus, Josh Mastruserio, Anthony Freidhoff
  • ADJUSTABLE GRAVITY-DRIVEN LIFTING DEVICE
    Publication number: 20180050888
    Abstract: A lifting device is disclosed in which tong arms are coupled to parallel laminated horizontal spine members that slide in opposition to each other via input of force from the tong arms. The horizontal spine members are coupled to load-engaging feet to transfer the force of the tong members to a given load. The horizontal spine members include teeth or the like along a horizontal axis for engagement and indexing of the load-engaging feet.
    Type: Application
    Filed: August 22, 2017
    Publication date: February 22, 2018
    Inventors: Gregory A. CVEYKUS, Josh MASTRUSERIO, Anthony FREIDHOFF
  • Self-opening tong lifting device
    Patent number: 7673918
    Abstract: A tong device for lifting various types and sizes of objects is disclosed. The tong lifting device includes tongs pivotally mounted on a slide rod which is extendable from a lift sleeve. Each tong has an attachment engaging end and an arm extending away from the attachment engaging end. Linkages are pivotally attached to the arms of the tongs, and are pivotally attached to a sliding lobe which travels along the length of the lift sleeve. The design of the lifting device provides a self-opening mode of operation and can be reconfigured in the field for optimum performance.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: March 9, 2010
    Assignee: Kenco Corporation
    Inventor: Gregory A. Cveykus
  • Self-opening tong lifting device
    Publication number: 20060202497
    Abstract: A tong device for lifting various types and sizes of objects is disclosed. The tong lifting device includes tongs pivotally mounted on a slide rod which is extendable from a lift sleeve. Each tong has an attachment engaging end and an arm extending away from the attachment engaging end. Linkages are pivotally attached to the arms of the tongs, and are pivotally attached to a sliding lobe which travels along the length of the lift sleeve. The design of the lifting device provides a self-opening mode of operation and can be reconfigured in the field for optimum performance.
    Type: Application
    Filed: March 10, 2006
    Publication date: September 14, 2006
    Inventor: Gregory Cveykus