E01B 2204/12
Floating rails or sleepers
E01B2204/12 (Floating rails or sleepers) appears on 5 US grants and 0 published applications in this corpus.
Search patents in E01B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 25 Sep 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Railroad substructure25 Sep 2001US 6,293,473 B1
- Track15 Sep 1998US 5,806,764 AGmundner Fertigteile Gesellschaft m.b.H. & Co. KG
- Infrastructure for railway tracks4 Aug 1998US 5,788,153 A
- Device for supporting rails13 Sep 1994US 5,346,131 AHilti Aktiengesellschaft
- Elastomeric mounting for railway rail with differently angled flanks25 Mar 1986US 4,577,801 AClouth Summiwerke Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Railroad substructure12US 6,293,473 B12001
- Device for supporting rails6US 5,346,131 AHilti Aktiengesellschaft · 1994
- Infrastructure for railway tracks4US 5,788,153 A1998
- Elastomeric mounting for railway rail with differently angled flanks3US 4,577,801 AClouth Summiwerke Aktiengesellschaft · 1986
- Track2US 5,806,764 AGmundner Fertigteile Gesellschaft m.b.H. & Co. KG · 1998