Patent for methods of fastening tubular elements of the pile fastening unit and a device for implementing the method

Patent for the construction of a waterproof joint of pipes with concrete external coating

Patent for the construction of a piled pipe support mounting

Patent for prefabricated pipe structure

Patent for a pile and supporting structures connection

Patent for a jacket to protect concreted pipes

Patent for piping made of multi-component pipes

Patent for multi-component pipe design

Patent for a method of a pipeline protective weight coating manufacturing

Patent for ballast material

Patent for the method of applying a ballast coating onto a pipe surface

Patent for a method of a ballast coating application onto a pipe surface for an underwater pipeline

Patent for a thermally waterproofed pipe with a concrete coating (sprayed)

Patent for a thermally waterproofed pipe with a concrete coating (casing)

Patent for a pipe with cable ducts

Patent for the design of the pipe joint with external concrete coating

Patent for the device of the joint of a heat-insulated pipeline with a concrete coating

Patent for combined pipe with thermal insulation and concrete coating

Patent for the method of production of the pipe with cable-duct and continouos concrete coating and pipe with cable-duct (variants)

Patent for assembly for concreted pipelines joints protection

Patent for equalizing strain assembly and concrete coated pipelines joints protection form tension and impacts

Canadian Patent for pipelines protective coatings

EA for the method of protective coating production

EA for ballasting material

Method of concreted pipe with cable duct production

Patent for drive pipe

Patent for thermal insulated pipe

Patent for joint unit of pipes with ballasting coating

Patent for ballasting material with overdensity for submerged main pipelines

Patent for the method of application of ballasting material onto pipe for submerged pipeline

Patent for pipe wih concrete coating and pipe producing methods

The patent for pipeline anticorrosive protector