Pneumatic lift with unidirectional valve
US8413277B2 · kind B2 · utility
36Cited by
24References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2009 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Oct 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7923
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pneumatic lift including inflatable mattresses stacked one atop another and arranged in air flow communication with one another, but with each being independently deflatable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.