Finger pump
US10895267B2 · kind B2 · utility
3Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2019 |
| Grant date | Jan 19, 2021 |
| Priority date | — |
| Expiry date | Jun 22, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/52
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In this pump, the angle between the imaginary tangent plane to the lip and passing through the axis and an imaginary straight line, perpendicular to the axis and passing through the point furthest from the axis of intersection of the upper surface of a finger with the lateral leading surface of this finger, is between 110 and 140°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.