Patents Assigned to MA Staircase LLC
  • PORTABLE STAIRCASE
    Publication number: 20230258041
    Abstract: The disclosure relates to portable staircases having a staircase assembly including an outer staircase and an inner staircase that can move in a telescoping relationship with respect to the outer staircase. Portable staircases of the disclosure are particularly useful for accessing an oil drilling rig as they are independently supported with respect to the drilling rig, thus providing numerous safety improvements and advantages. Methods of using the portable staircases of the disclosure are also disclosed.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 17, 2023
    Applicant: MA Staircase LLC
    Inventor: Torsten Leines
  • Portable staircase
    Patent number: 11591854
    Abstract: The disclosure relates to portable staircases having a staircase assembly including an outer staircase and an inner staircase that can move in a telescoping relationship with respect to the outer staircase. Portable staircases of the disclosure are particularly useful for accessing an oil drilling rig as they are independently supported with respect to the drilling rig, thus providing numerous safety improvements and advantages. Methods of using the portable staircases of the disclosure are also disclosed.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 28, 2023
    Assignee: MA Staircase LLC, Paracorp Incorporated
    Inventor: Torsten Leines