Patents by Inventor Jerzy Ku?mierczyk

Jerzy Ku?mierczyk 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).

  • Multilayer ballistic barrier and a method of making the multilayer ballistic barrier
    Patent number: 12339103
    Abstract: A multilayer ballistic barrier comprising at least one barrier plate (1) having a thickness of up to 250 mm, made of an elastomeric material containing butadiene and a binder, and a fill (2) having a minimum thickness of 50 mm in the form of mineral aggregates of various fractions ranging from 0.5 to 80 mm. The application also relates to a method of making the multilayer ballistic barrier and its use for the construction of bullet-proof walls and floors intercepting projectiles with a kinetic energy up to 50 000 J.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: June 24, 2025
    Inventors: Tomasz Kasendra, Krzysztof Kasendra, Jerzy Kuśmierczyk, Jacek Pietrzak