E01B 25/22
Tracks for railways with the vehicle suspended from rigid supporting rails
E01B25/22 (Tracks for railways with the vehicle suspended from rigid supporting rails) appears on 218 US grants and 113 published applications in this corpus.
Search patents in E01B- Granted patents
- 218
- Published applications
- 113
- Assignees
- 133
- Inventors
- 357
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 5 |
| 2005 | 3 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 4 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 3 | 5 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 3 | 11 |
| 2014 | 7 | 5 |
| 2015 | 5 | 2 |
| 2016 | 2 | 4 |
| 2017 | 3 | 3 |
| 2018 | 2 | 8 |
| 2019 | 3 | 4 |
| 2020 | 7 | 1 |
| 2021 | 3 | 12 |
| 2022 | 3 | 8 |
| 2023 | 3 | 10 |
| 2024 | 7 | 7 |
| 2025 | 7 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Article transport facility28 Jul 2026US 12,692,666 B2Daifuku Co., Ltd.
- OHT vehicle and method of controlling operation of the same7 Jul 2026US 12,673,857 B2Semes Co., Ltd.
- Rail system for wafer transportation26 May 2026US 12,637,811 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Track beam and track beam assembly14 Apr 2026US 12,601,119 B2BYD Company Limited
- Switch arrangement for a track-borne vehicle3 Feb 2026US 12,540,441 B2Max Boegl Stiftung & Co. KG
- Transport Facility6 Aug 2026US 2026/0226689 A1Daifuku Co., Ltd.
- Passive switch for a rail-bound traffic system, chassis for a rail-bound traffic system and rail-bound traffic system19 Mar 2026US 2026/0078550 A1
- Hash overhead hoist transport rail system and methods of operating the same27 Nov 2025US 2025/0364290 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Transport Facility3 Apr 2025US 2025/0109555 A1Daifuku Co., Ltd.
- Self-propelled elevated transportation system2 Jan 2025US 2025/0002057 A1
Most cited
By later US patents
- Intelligent transport system176US 6,810,817 B12004
- Grid rail container transport and storage system98US 4,973,219 ASea-Land Corporation · 1990
- Hanger bracket for track rails94US 5,598,785 AKnight Industries, Inc. · 1997
- Transfer system using movable bodies51US 6,655,297 B2Daifuku Co., Ltd. · 2003
- Conveyor36US 4,838,412 AWamac AB · 1989