Dual dispenser
US7059540B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2003 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Apr 20, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4891
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A universal cartridge that is useable in either a stagnant fluid environment or in a moving fluid environment with the universal cartridge floatable in a stagnant fluid environment and securable in a moving fluid environment with the universal cartridge having an inner housing having a diffusion port and an outer sleeve having a diffusion port with the housing and the sleeve mateable engaged with each other through frictional engagement to inhibit flow therebetween while permitting rotational displacement of the housing with respect to the sleeve to allow one to increase or decrease a dispersant transport area between a zone within the housing to a zone exterior to the housing through aligning a recessed diffusion port of the housing with a diffusion port of the sleeve with the diffusion ports inhibiting fluid flow therethrough but permitting dispersant transfer therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.