Patents by Inventor Andrei Hawryshko

Andrei Hawryshko 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: 8281522
    Abstract: A multi-layered roofing system and method of construction which replaces standard sloped or flat roof surfaces is herein disclosed. The system comprises a roof surface having a dual layer construction provided by two (2) layers of roof sheathing material which are separated by vented spacing members. A top layer of sheathing material is covered with a top layer of roofing felt, shingles, rolled roofing, or the like. The system utilizes various vented spacing channels, vented drip edge elements, and a vented ridge vent that provide for a ventilating gap within the roof. The ventilating gap runs the entire length of the roof and helps to moderate interior building temperatures, thereby improving energy efficiency.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: October 9, 2012
    Inventors: Andrei Hawryshko, Andriy Havryshko