Universal dispenser
US7487790B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2006 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Mar 10, 2027 |
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.