E01B
Permanent way
Official title: PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders B61K)
E01B (Permanent way) appears on 3,881 US grants and 2,582 published applications in this corpus.
Search patents in E01B- Granted patents
- 3,881
- Published applications
- 2,582
- Assignees
- 1,515
- Inventors
- 5,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 67 | 0 |
| 1977 | 54 | 0 |
| 1978 | 77 | 0 |
| 1979 | 51 | 0 |
| 1980 | 68 | 0 |
| 1981 | 93 | 0 |
| 1982 | 66 | 0 |
| 1983 | 64 | 0 |
| 1984 | 69 | 0 |
| 1985 | 62 | 0 |
| 1986 | 75 | 0 |
| 1987 | 68 | 0 |
| 1988 | 69 | 0 |
| 1989 | 82 | 0 |
| 1990 | 112 | 0 |
| 1991 | 75 | 0 |
| 1992 | 106 | 0 |
| 1993 | 70 | 0 |
| 1994 | 69 | 0 |
| 1995 | 63 | 0 |
| 1996 | 98 | 0 |
| 1997 | 80 | 0 |
| 1998 | 78 | 0 |
| 1999 | 47 | 0 |
| 2000 | 64 | 0 |
| 2001 | 85 | 24 |
| 2002 | 80 | 57 |
| 2003 | 79 | 69 |
| 2004 | 62 | 82 |
| 2005 | 38 | 64 |
| 2006 | 45 | 71 |
| 2007 | 35 | 90 |
| 2008 | 38 | 75 |
| 2009 | 39 | 71 |
| 2010 | 68 | 101 |
| 2011 | 63 | 98 |
| 2012 | 62 | 111 |
| 2013 | 97 | 114 |
| 2014 | 92 | 108 |
| 2015 | 90 | 108 |
| 2016 | 92 | 128 |
| 2017 | 89 | 110 |
| 2018 | 94 | 134 |
| 2019 | 114 | 149 |
| 2020 | 107 | 139 |
| 2021 | 97 | 147 |
| 2022 | 96 | 130 |
| 2023 | 93 | 118 |
| 2024 | 108 | 133 |
| 2025 | 116 | 83 |
| 2026 | 75 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- E01B 29/00Laying, rebuilding, or taking-up tracks723
- E01B 27/00Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent678
- E01B 25/00Tracks for special kinds of railways674
- E01B 9/00Fastening rails on sleepers, or the like593
- E01B 7/00Switches356
- E01B 2203/00Devices for working the railway-superstructureIndexing code310
- E01B 31/00Working rails, sleepers, baseplates, or the like, in or on the line302
- E01B 3/00Transverse or longitudinal sleepers277
All 26 main groupsShow fewer
- E01B 35/00Applications of measuring apparatus or devices for track-building purposes198
- E01B 1/00Ballastway174
- E01B 2204/00Characteristics of the track and its foundationsIndexing code158
- E01B 11/00Rail joints154
- E01B 19/00Protection of permanent way against development of dust or against the effect149
- E01B 5/00Rails142
- E01B 2/00General structure of permanent way100
- E01B 26/00Tracks or track components not covered by any one of the preceding74
- E01B 2202/00Characteristics of moving parts of rail systemsIndexing code58
- E01B 23/00Easily dismountable or movable tracks54
- E01B 2201/00Fastening or restraining methodsIndexing code49
- E01B 21/00Track superstructure adapted for tramways in paved streets48
- E01B 13/00Arrangements preventing shifting of the track32
- E01B 37/00Making, maintaining, renewing, or taking-up the ballastway or the track, not provided32
- E01B 33/00Machines or devices for shifting tracks, with or without lifting30
- E01B 2205/00Electrical insulation of railway track partsIndexing code26
- E01B 15/00Guards for preventing a person's foot being trapped in grooved rails6
- E01B 17/00Cattle guards connected to the permanent way4
Recent patents
- Electromagnet switch for shuttles on a track6 Oct 2026US 12,752,824 B1Amazon Technologies, Inc.
- Road-rail dual purpose quick disassembly and assembly type rail grinding maintenance robot29 Sep 2026US 12,746,634 B2Beijing Jiaotong University
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- Rail connecting structure29 Sep 2026US 12,747,541 B2Thk Co., Ltd.
- System for working on a track29 Sep 2026US 12,747,542 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track system, shuttle car system and dispensing system8 Oct 2026US 2026/0307900 A1Beijing Jingdong Qianshi Technology Co., Ltd.
- A longitudinal railway sleeper8 Oct 2026US 2026/0308855 A1
- Improved cable connecting piece8 Oct 2026US 2026/0312306 A1Safetrack Infrasystems SISAB AB
- Manufacturing method of flash butt welded rail1 Oct 2026US 2026/0295710 A1Nippon Steel Corporation
- Steel monoblock sleeper and method for producing same1 Oct 2026US 2026/0297856 A1Baupoly AG
Most cited
By later US patents
- Intelligent transport system176US 6,810,817 B12004
- Track soundproofing arrangement168US 6,253,872 B1Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG · 2001
- Ground-borne noise and vibration damping137US 5,173,012 AClouth Gummiwerke Aktiengesellschaft · 1992
- Leveling system for lift device134US 9,890,024 B2Oshkosh Corporation · 2018
- Reinforced molded lignocellulosic crosstie and railway assembly110US 4,150,790 ADant & Russell, Inc. · 1979