Y10T 29/29
Railway-chair making
Y10T29/29 (Railway-chair making) appears on 4 US grants and 2 published applications in this corpus.
Search patents in Y10T- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 23 Sep 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- VUV laser beam characterization system23 Sep 2003US 6,624,424 B2Lambda Physik AG
- Compromise rail3 Sep 2002US 6,442,824 B1VAE Nortrak North America, Inc.
- Railway tie plate and a method of making a railway tie plate27 Feb 1979US 4,141,500 APandrol Limited
- Method of manufacturing a cathode ray tube1 Nov 1977US 4,055,877 AU. S. Philips Corporation
Most cited
By later US patents
- Railway tie plate and a method of making a railway tie plate12US 4,141,500 APandrol Limited · 1979
- VUV laser beam characterization system11US 6,624,424 B2Lambda Physik AG · 2003
- Method of manufacturing a cathode ray tube2US 4,055,877 AU. S. Philips Corporation · 1977
- Compromise rail1US 6,442,824 B1VAE Nortrak North America, Inc. · 2002