Technical information


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 ballasting pipe production method
Patent for the method of application of ballasting material onto pipe for submerged pipeline
Patent for the method а sulphate-resistant weighted pipe production
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe wih concrete coating and pipe producing methods
Patent for pipe wih ballasting coating
Patent for pipe wih ballasting coating
Patent for pipe with ballasting coating
Патент на узел стыка труб с балластным покрытием
The patent for pipeline anticorrosive protector

 


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