Patent · US Expired

Corrugated pipe for deepwater applications

US4261671A · kind A · utility

27Cited by
17References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 1977
Grant dateApr 14, 1981
Priority date
Expiry dateSep 26, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M35/10137
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In the laying of deepwater pipelines, corrugated pipe is substituted for standard pipe in order to take advantage of a substantially stronger structure of much lighter weight.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.