E01B 9/08
Elastic spikes
E01B9/08 (Elastic spikes) appears on 4 US grants and 0 published applications in this corpus.
Search patents in E01B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 6
- Latest grant
- 7 Nov 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Railroad rail support and process for manufacture7 Nov 1995US 5,464,153 A
- Method and apparatus for attaching a rail using plastically deformable metal spikes and metal spikes per se18 Dec 1990US 4,978,065 AAllevard Industries S.A.
- Track spike with a single or double shaft22 Dec 1987US 4,714,195 AHoesch Aktiengesellschaft
- Railway rail-fastening clip and a railway rail-and-fastening assembly employing it14 Feb 1978US 4,073,435 APandrol Limited
No published applications in this class yet.
Most cited
By later US patents
- Railway rail-fastening clip and a railway rail-and-fastening assembly employing it11US 4,073,435 APandrol Limited · 1978
- Railroad rail support and process for manufacture9US 5,464,153 A1995
- Track spike with a single or double shaft2US 4,714,195 AHoesch Aktiengesellschaft · 1987
- Method and apparatus for attaching a rail using plastically deformable metal spikes and metal spikes per se2US 4,978,065 AAllevard Industries S.A. · 1990