- All sections
- B - Performing operationstransporting
- B61B - Railway systemsequipment therefor not otherwise provided for
- B61B 3/02 - Elevated railway systems with suspended vehicles with self-propelled vehicles
Patent holdings for IPC class B61B 3/02
Total number of patents in this class: 309
10-year publication summary
| 23 | 30 | 30 | 29 | 32 | 33 | 31 | 31 | 35 | 27 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| Murata Machinery, Ltd. | 1516 | 84 | 
| Daifuku Co., Ltd. | 1001 | 35 | 
| EagleRail Container Logistics, LLC | 14 | 10 | 
| Ottobahn GmbH | 14 | 9 | 
| SEW-EURODRIVE GmbH & Co. KG | 1968 | 7 | 
| Emhs GmbH | 15 | 6 | 
| CW Designs, LLC | 7 | 5 | 
| Panasonic Intellectual Property Management Co., Ltd. | 32139 | 4 | 
| Eisenmann SE | 146 | 4 | 
| Hydro-Quebec | 652 | 4 | 
| CRRC Yangtze Co., Ltd. | 84 | 4 | 
| S & S Engineering Corp. | 9 | 4 | 
| Samsung Electronics Co., Ltd. | 148173 | 3 | 
| Micron Technology, Inc. | 26317 | 3 | 
| Robert Bosch GmbH | 42887 | 3 | 
| ABB Schweiz AG | 7096 | 3 | 
| Keio University | 1106 | 3 | 
| Liko Research & Development AB | 134 | 3 | 
| Minrail Inc. | 5 | 3 | 
| Semes Co., Ltd. | 1517 | 3 | 
| Other owners | 109 | 
