Patents by Inventor Kaspars Kravalis

Kaspars Kravalis 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).

  • Composite concrete for floor slabs and rafts
    Patent number: 9284225
    Abstract: The invention is in the field of construction and can be used for constructing industrial floors and foundation slabs. The offered composite concrete mixture, comprising cement, sand-stone mixture, water, plasticizer, nano-size pozzolans, shrinkage reducing additive, and steel and/or synthetic fibers, allows the construction of thin, completely jointless without limitation of area, large composite concrete slabs, with no observable shrinkage cracks or curling.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: March 15, 2016
    Assignee: Primekss Rabine North America LLC
    Inventors: Janis Oslejs, Kaspars Kravalis
  • COMPOSITE CONCRETE FOR FLOOR SLABS AND RAFTS
    Publication number: 20120021206
    Abstract: The invention is in the field of construction and can be used for constructing industrial floors and foundation slabs. The offered composite concrete mixture, comprising cement, sand-stone mixture, water, plasticizer, nano-size pozzolans, shrinkage reducing additive, and steel and/or synthetic fibers, allows the construction of thin, completely jointless without limitation of area, large composite concrete slabs, with no observable shrinkage cracks or curling.
    Type: Application
    Filed: October 20, 2010
    Publication date: January 26, 2012
    Applicant: PRIMETEH, A/S
    Inventors: Janis Oslejs, Kaspars Kravalis