B61B 13/122
Pneumatic systems
Official title: {Pneumatic systems}
B61B13/122 (Pneumatic systems) appears on 36 US grants and 29 published applications in this corpus.
Search patents in B61B- Granted patents
- 36
- Published applications
- 29
- Assignees
- 20
- Inventors
- 63
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 4 |
| 2020 | 1 | 2 |
| 2021 | 4 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Kinetic energy converter for a pneumatic transportation system27 Jan 2026US 12,534,113 B2Aerom Sistemas De Transporte SA
- Segment isolating valve for pneumatic transport system2 Dec 2025US 12,485,933 B2Aerom Sistemas De Transporte SA
- Track-changing device for a pneumatic transport vehicle1 Apr 2025US 12,263,872 B2Aerom RepresentaçõEs E ParticipaçõEs Ltda.
- Dynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation30 Apr 2024US 11,971,326 B2Southwest Jiaotong University
- Wheeled vehicle station docking using a kneeling landing gear system6 Dec 2022US 11,518,417 B2Safran Landing Systems Canada Inc.
- Vacuum valve for a vacuum conveying system11 Jul 2024US 2024/0229961 A1VAT Holding AG
- Dynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation1 Feb 2024US 2024/0035930 A1Southwest Jiaotong University
- A tube transport system for very high vehicle speeds, a specific tube assembly to achieve high vacuum, and method of operating a tube transport system14 Dec 2023US 2023/0399030 A1
- Segment isolating valve for pneumatic transport system19 Oct 2023US 2023/0332690 A1Aerom Sistemas De Transporte SA
- Airdock soft capture8 Jun 2023US 2023/0174118 A1Hyperloop Technologies, Inc.
Most cited
By later US patents
- Monitor camera transporting apparatus by means of compressed air48US 5,842,069 A1998
- Magnetic/air transportation system29US 6,178,892 B22001
- Evacuated tube transport system27US 9,290,187 B22016
- Slot sealing system for a pneumatic transportation system guideway22US 5,845,582 AAeromovel Global Corporation · 1998
- Pneumatic propulsion system for freight and/or passenger vehicles19US 4,658,732 A1987