- All sections
- B - Performing operationstransporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 31/12 - Chains
Patent holdings for IPC class B29L 31/12
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
1
|
0
|
1
|
1
|
0
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4103 |
1 |
| Igus GmbH | 318 |
1 |
| Harbin FRP Institute Co., Ltd. | 2 |
1 |
| igus SE & Co. KG | 226 |
1 |
| Other owners | 0 |