Spark plug index plate for combustion engines
US4901687A · kind A · utility
22Cited by
1References
8Claims
0Family size
Inventor
Key dates
| Filing date | Jul 27, 1988 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Jul 27, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T21/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A process and device for indexing and storing electrode oriented spark plugs for use in internal combustion engines where the ground electrode position is critical to engine performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.