Manual pipette with selectable plunger force
US10016755B2 · kind B2 · utility
0Cited by
24References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2016 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Nov 17, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2200/087
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A manual pipette that has a lower portion that is detachable from the upper handle portion. The piston return spring is located within the upper handle portion and is part of a plunger spring assembly that is removable and replaceable. The user is able to replace the spring or the plunger spring assembly in order to change the piston spring return force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.