Patent · US Active

Wheelchair cushion with adjustable/multi-stiffness fluid

US9021637B1 · kind B1 · utility

17Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2013
Grant dateMay 5, 2015
Priority date—
Expiry dateJul 1, 2033

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61G7/05738
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A wheelchair cushion comprises a dual stiffness fluid. A cushion also comprises an ability to adjust fluid volume.

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