E01B 29/00
Laying, rebuilding, or taking-up tracks
Official title: Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence)
E01B29/00 (Laying, rebuilding, or taking-up tracks) appears on 723 US grants and 525 published applications in this corpus.
Search patents in E01B- Granted patents
- 723
- Published applications
- 525
- Assignees
- 262
- Inventors
- 899
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 19 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 15 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 3 |
| 2002 | 13 | 10 |
| 2003 | 18 | 18 |
| 2004 | 14 | 9 |
| 2005 | 6 | 9 |
| 2006 | 5 | 12 |
| 2007 | 7 | 22 |
| 2008 | 9 | 13 |
| 2009 | 11 | 13 |
| 2010 | 15 | 11 |
| 2011 | 10 | 21 |
| 2012 | 8 | 23 |
| 2013 | 24 | 19 |
| 2014 | 17 | 23 |
| 2015 | 17 | 21 |
| 2016 | 15 | 17 |
| 2017 | 21 | 20 |
| 2018 | 17 | 25 |
| 2019 | 16 | 31 |
| 2020 | 25 | 42 |
| 2021 | 21 | 29 |
| 2022 | 26 | 32 |
| 2023 | 24 | 34 |
| 2024 | 28 | 38 |
| 2025 | 35 | 13 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01B 29/24Fixing or removing detachable fastening means or accessories thereof181
- E01B 29/32Installing or removing track components, not covered by the preceding groups179
- E01B 29/06Transporting, laying, removing or renewing sleepers147
- E01B 29/16Transporting, laying, removing, or replacing rails90
- E01B 29/42Undetachably joining or fastening track components in or on the track84
- E01B 29/05Transporting, laying, removing, or renewing both rails and sleepers51
- E01B 29/02Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or50
- E01B 29/04Lifting or levelling of tracks37
Recent patents
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- On-track maintenance machine and method for operating the machine8 Sep 2026US 12,729,489 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Mobile crane systems and methods11 Aug 2026US 12,703,405 B2
- Initial and final methods for laying long rails28 Jul 2026US 12,692,668 B2Matisa Materiel Industriel S.A.
- Rail tie handling system and method23 Jun 2026US 12,662,777 B2Transportation IP Holdings, LLC
- Improved cable connecting piece8 Oct 2026US 2026/0312306 A1Safetrack Infrasystems SISAB AB
- Monorail installation device1 Oct 2026US 2026/0298090 A1Sandvik Mining and Construction Oy
- Zero Emission Railroad Tracks Welder17 Sep 2026US 2026/0273646 A1
- Method for assembling track segment, jig, track segment, and track17 Sep 2026US 2026/0275655 A1Fanuc Corporation
- Adjustable anchor maintenance workhead3 Sep 2026US 2026/0258610 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Method and system for welding railroad rails64US 6,278,074 B1Lincoln Global.Inc. · 2001
- Range-finding based image processing rail way servicing apparatus and method64US 6,647,891 B2Norfolk Southern Corporation · 2003
- Spiker with hole sensing52US 5,487,341 AHarsco Corporation · 1996
- Tie plate handling means for rail changing machine49US 4,241,663 ACanron, Inc. · 1980
- Fully automatic, multiple operation rail maintenance apparatus48US 5,671,679 ANordco Inc. · 1997