F02F 3/047
The inserts being located around the gudgeon pin bearings
Official title: {the inserts being located around the gudgeon pin bearings}
F02F3/047 (The inserts being located around the gudgeon pin bearings) appears on 4 US grants and 0 published applications in this corpus.
Search patents in F02F- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 23 May 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light alloy pistons with reinforcing inserts for the piston pin bores23 May 1989US 4,831,918 AKolbenschmidt Aktiengesellschaft
- Metal piston and ceramic piston pin assembly10 Jan 1989US 4,796,517 ANgk Spark Plug Co., Ltd.
- Pistons21 Oct 1980US 4,228,727 AWellworthy Limited
- Pistons for internal combustion engines or for compressors21 Feb 1978US 4,074,617 AHepworth & Grandage Limited
No published applications in this class yet.
Most cited
By later US patents
- Light alloy pistons with reinforcing inserts for the piston pin bores8US 4,831,918 AKolbenschmidt Aktiengesellschaft · 1989
- Metal piston and ceramic piston pin assembly7US 4,796,517 ANgk Spark Plug Co., Ltd. · 1989
- Pistons for internal combustion engines or for compressors5US 4,074,617 AHepworth & Grandage Limited · 1978
- Pistons1US 4,228,727 AWellworthy Limited · 1980