Article having a hard lubricious coating
US6991219B2 · kind B2 · utility
6Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2003 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | Sep 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7036
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A valving assembly for a motor vehicle includes a hard, lubricious and chemically inert coating of graphitic carbon. The coating may include a metal. Preferred metals include chromium or other transition metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.