Hinged Type Superposed Sections Patents (Class 164/391)
  • Ventilated building block and related mold components
    Patent number: 9987765
    Abstract: A mold assembly is used for manufacturing a ventilated building block. The ventilated building blocks are configured such that adjacent stacked blocks are inverted and reversed, thereby establishing front-to-back air passages that do not provide a sight line and prevent rain from passing through while enabling air ventilation.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: June 5, 2018
    Inventor: Mark E. Lee Lum