- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16H - Gearing
- F16H 55/30 - Chain wheels
Patent holdings for IPC class F16H 55/30
Total number of patents in this class: 536
10-year publication summary
|
59
|
67
|
83
|
57
|
59
|
38
|
25
|
33
|
16
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimano Inc. | 3159 |
118 |
| SRAM Deutschland GmbH | 132 |
36 |
| BorgWarner Inc. | 2588 |
21 |
| Tsubakimoto Chain Co. | 614 |
20 |
| Sram, LLC | 599 |
18 |
| Campagnolo S.r.l. | 350 |
17 |
| Gates Corporation | 1181 |
15 |
| Schaeffler Technologies AG & Co. KG | 9350 |
11 |
| Fox Factory, Inc. | 793 |
11 |
| Rampwerks, LLC | 11 |
10 |
| Eko Sport, Inc. | 46 |
9 |
| Miranda & Irmão, Lda | 48 |
8 |
| Cloyes Gear and Products, Inc. | 16 |
7 |
| Schaeffler KG | 821 |
6 |
| Sunstar Engineering Inc. | 113 |
5 |
| JATCO Ltd | 1238 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13816 |
4 |
| Praxis Works LLC | 25 |
4 |
| Wolf Tooth Components, LLC | 61 |
4 |
| New Motion Labs Ltd. | 12 |
4 |
| Other owners | 204 |