B24C 3/34
For cleaning sparking plugs
Official title: for cleaning sparking plugs
B24C3/34 (For cleaning sparking plugs) appears on 7 US grants and 0 published applications in this corpus.
Search patents in B24C- Granted patents
- 7
- Published applications
- 0
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 12 Dec 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Accurate lightweight manual lawn and garden weed chipper12 Dec 1989US 4,886,125 A
- Spark plug cleaner with improved grit recycling6 Jan 1981US 4,242,844 AOrion Industries, Inc.
- Two way spark plug cleaner and method13 May 1980US 4,202,141 A
- Spark plug cleaner and method28 Aug 1979US 4,165,586 A
- Spark plug cleaner13 Dec 1977US 4,062,155 AWells Manufacturing Corporation
No published applications in this class yet.
Most cited
By later US patents