B61C 7/02
Locomotives or motor railcars with pneumatic accumulators
B61C7/02 (Locomotives or motor railcars with pneumatic accumulators) appears on 3 US grants and 3 published applications in this corpus.
Search patents in B61C- Granted patents
- 3
- Published applications
- 3
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 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
- Method and systems for an auxiliary power unit16 Feb 2021US 10,919,412 B2Transportation IP Holdings, LLC
- Hybrid pneumatic regenerative system for railway vehicles30 Jul 2019US 10,363,946 B2Harris Corporation
- Kinetic Energy Converter For A Pneumatic Transportation System2 Feb 2023US 2023/0037191 A1Aerom Sistemas De Transporte SA
- Method and systems for an auxiliary power unit26 Mar 2020US 2020/0094690 A1General Electric Company
- Hybrid Pneumatic Regenerative System for Railway Vehicles7 Jun 2018US 2018/0154911 A1Harris Corporation
Most cited
By later US patents