Patents by Inventor Grigory Vladimirovich Lomazov

Grigory Vladimirovich Lomazov 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: 9835283
    Abstract: A polymeric device for protection of the connecting pipe coupling contains a stepped bushing having a medium part with an increased diameter and two lateral parts with a smaller outside diameters, which is installed between end faces of pipes with a conic thread, and connected by means of a coupling and having sealing rings made of an elastomer, which are on parts of the bushing with the small diameter. The device has an additional stepped bushing, and the first stepped bushing has a constant outside diameter and two parts with small and large internal diameters, and the second stepped bushing has a constant internal diameter and two parts with small and large diameters.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: December 5, 2017
    Assignee: MPR S.R.L.
    Inventors: Alexey Yur'evich Zhuravlev, Grigory Vladimirovich Lomazov, Igor Vladimirovich Petrov
  • Publication number: 20140300098
    Abstract: A polymeric device for protection of the connecting pipe coupling contains a stepped bushing having a medium part with an increased diameter and two lateral parts with a smaller outside diameters, which is installed between end faces of pipes with a conic thread, and connected by means of a coupling and having sealing rings made of an elastomer, which are on parts of the bushing with the small diameter. The device has an additional stepped bushing, and the first stepped bushing has a constant outside diameter and two parts with small and large internal diameters, and the second stepped bushing has a constant internal diameter and two parts with small and large diameters.
    Type: Application
    Filed: June 24, 2014
    Publication date: October 9, 2014
    Inventors: Alexey Yur'evich Zhuravlev, Grigory Vladimirovich Lomazov, Igor Vladimirovich Lomazov