Traction enhanced wheel apparatus
US6099091A · kind A · utility
146Cited by
15References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1998 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Jan 20, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1654
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive wheel, having a cylindrical surface positioned at a radius from the center of the drive wheel, and a plurality of suction cup members disposed in a spaced apart relationship on the cylindrical surface, useful in a pressurized pool cleaning apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.