- All sections
- B - Performing operationstransporting
- B21L - Making metal chains
- B21L 9/00 - Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
Patent holdings for IPC class B21L 9/00
Total number of patents in this class: 17
10-year publication summary
|
2
|
1
|
1
|
3
|
0
|
2
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0
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0
|
1
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joy Global Underground Mining LLC | 346 |
3 |
| Caterpillar Inc. | 9249 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13929 |
1 |
| Daido Kogyo Co., Ltd. | 87 |
1 |
| iwis motorsysteme GmbH & Co. KG | 123 |
1 |
| LINKON TECHNOLOGY CO., LTD. (a legal entity) | 14 |
1 |
| Master Lock Company LLC | 508 |
1 |
| Matisa Materiel Industriel SA | 64 |
1 |
| H&H Drilling Tools, LLC | 2 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6141 |
1 |
| Matisa Materiel Industriel SA | 11 |
1 |
| Hangzhou Huitong Driving Chain Co., Ltd. | 1 |
1 |
| Suzhou Chunmeng Intelligent Technology Co., Ltd | 9 |
1 |
| Suzhou Shunge Intelligent Technology Co., Ltd | 7 |
1 |
| Oregon Tool, Inc. | 284 |
1 |
| Other owners | 0 |