B61B 13/10
Tunnel systems
Official title: Tunnel systems (pneumatic tubes conveyors B65G {; B61C15/045 takes precedence})
B61B13/10 (Tunnel systems) appears on 176 US grants and 195 published applications in this corpus.
Search patents in B61B- Granted patents
- 176
- Published applications
- 195
- Assignees
- 92
- Inventors
- 381
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 6 |
| 2015 | 1 | 4 |
| 2016 | 7 | 17 |
| 2017 | 8 | 8 |
| 2018 | 8 | 9 |
| 2019 | 13 | 20 |
| 2020 | 5 | 18 |
| 2021 | 11 | 13 |
| 2022 | 22 | 18 |
| 2023 | 8 | 21 |
| 2024 | 11 | 18 |
| 2025 | 12 | 19 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Guide tube and hyperloop device including same12 May 2026US 12,624,505 B2Posco
- Power district architecture for a vehicle5 May 2026US 12,617,298 B2Hamilton Sundstrand Corporation
- Apparatus and method for maintaining the interior of a bridging element that interconnects evacuated tubes of a transportation system13 Jan 2026US 12,522,255 B2Flowserve Pte. Ltd.
- Hyperloop environmental control system13 Jan 2026US 12,522,259 B2Hamilton Sundstrand Corporation
- Aerial electromagnetic flying vehicle23 Dec 2025US 12,503,143 B2
- Method and system for protecting operations in a vacuum environment of an ultra-high-speed magnetic levitation low vacuum tube3 Sep 2026US 2026/0257707 A1CRSC Research & Design Institute Group Co., Ltd.
- Tube connecting structure and connection method thereof2 Jul 2026US 2026/0184351 A1Posco
- System for conveying at least one transport capsule4 Jun 2026US 2026/0152211 A1
- Vacuum valve for a vacuum transport system4 Jun 2026US 2026/0152356 A1VAT Holding AG
- Transport system comprising vacuum tunnel29 Jan 2026US 2026/0028052 A1Matratu GmbH
Most cited
By later US patents
- Rail vehicles with propulsion energy recovery system101US 4,108,077 A1978
- Robotic pipe crawling device93US 4,862,808 AGas Research Institute · 1989
- Evacuated tube transport85US 5,950,543 Aet3.com Inc. · 1999
- Monorail suspended conveyor system61US 4,339,031 AJoy Manufacturing Company · 1982
- Clean tunnel conveying structure57US 4,649,830 ASanki Kogyo Kabushiki Kaisha · 1987