E01B 35/00
Applications of measuring apparatus or devices for track-building purposes
Official title: Applications of measuring apparatus or devices for track-building purposes (apparatus on locomotives or cars to indicate or record bad track sections B61K9/00; measuring angles, linear dimensions, or irregularities in general G01B, G01C)
E01B35/00 (Applications of measuring apparatus or devices for track-building purposes) appears on 198 US grants and 161 published applications in this corpus.
Search patents in E01B- Granted patents
- 198
- Published applications
- 161
- Assignees
- 130
- Inventors
- 387
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 6 |
| 2003 | 5 | 2 |
| 2004 | 1 | 5 |
| 2005 | 2 | 1 |
| 2006 | 2 | 4 |
| 2007 | 3 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 8 |
| 2015 | 4 | 8 |
| 2016 | 4 | 8 |
| 2017 | 6 | 7 |
| 2018 | 7 | 8 |
| 2019 | 6 | 15 |
| 2020 | 11 | 15 |
| 2021 | 9 | 10 |
| 2022 | 10 | 8 |
| 2023 | 11 | 13 |
| 2024 | 10 | 8 |
| 2025 | 9 | 7 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01B 35/06Applications of measuring apparatus or devices for track-building purposes: for measuring irregularities51
- E01B 35/02Applications of measuring apparatus or devices for track-building purposes: for spacing, for33
- E01B 35/12Applications of measuring apparatus or devices for track-building purposes: for measuring movement23
Recent patents
- System for working on a track29 Sep 2026US 12,747,542 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Adaptive railway fastener and anchor installation system26 May 2026US 12,637,812 B2MOW Equipment Solutions, Inc.
- Alignment apparatus28 Apr 2026US 12,612,741 B2Tee-Am, L.L.C.
- Predicting railroad ballast fouling conditions based on ballast image24 Feb 2026US 12,561,779 B2University of South Carolina
- Real-time detecting system for the mechanical quality state of ballast bed based on tamping car11 Nov 2025US 12,467,209 B2Beijing Jiaotong University
- Method and apparatus for determining the condition of a track bed by means of a tamping assembly1 Oct 2026US 2026/0297857 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Adjustable anchor maintenance workhead3 Sep 2026US 2026/0258610 A1Transportation IP Holdings, LLC
- Systems and methods for handling track materials20 Aug 2026US 2026/0241571 A1B & B Metals, Inc.
- Tie guide, replaceable pad, and method of using the same13 Aug 2026US 2026/0234875 A1Transportation IP Holdings, LLC
- Systems and methods for assessing track condition6 Aug 2026US 2026/0225630 A1Fnv IP B.V.
Most cited
By later US patents
- Method and apparatus for monitoring railway defects102US 5,867,404 ACairo Systems, Inc. · 1999
- Measuring apparatus for rail head running surface irregularities86US 4,391,134 AFranz Plasser Bahnbaumaschinen-Industriegesellschaft m. b. H. · 1983
- Digi-track digital roadway and railway analyzer86US 5,721,685 A1998
- Range-finding based image processing rail way servicing apparatus and method64US 6,647,891 B2Norfolk Southern Corporation · 2003
- Automated track location identification using measured track data58US 5,791,063 AEnsco, Inc. · 1998