Patent · US Active

Sail

US11643179B2 · kind B2 · utility

0Cited by
5References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 31, 2020
Grant dateMay 9, 2023
Priority date—
Expiry dateJul 31, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63H9/1021
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A nestable wing sail having two or more sections. Where one section is configured to nest inside the first section, and can move out of the first section to extend the effective sail area of the wing sail.

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