- All sections
- B - Performing operationstransporting
- B29B - Preparation or pretreatment of the material to be shapedmaking granules or preformsrecovery of plastics or other constituents of waste material containing plastics
- B29B 7/28 - Component parts, details or accessoriesAuxiliary operations for measuring, controlling or regulating, e.g. viscosity control
Patent holdings for IPC class B29B 7/28
Total number of patents in this class: 113
10-year publication summary
|
10
|
11
|
10
|
13
|
12
|
13
|
11
|
10
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Continental Reifen Deutschland GmbH | 2450 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
5 |
| Nihon Spindle Manufacturing Co., Ltd | 77 |
5 |
| Suzuka Engineering Co., Ltd. | 10 |
5 |
| The Yokohama Rubber Co., Ltd. | 4024 |
4 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 441 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
3 |
| Harburg-Freudenberger Maschinenbau GmbH | 187 |
3 |
| SAPPI Netherlands Services B.V. | 39 |
3 |
| Compagnie Generale des Etablissements Michelin | 4728 |
3 |
| Robert Bosch GmbH | 42596 |
2 |
| Bridgestone Corporation | 7243 |
2 |
| Dow Global Technologies LLC | 10385 |
2 |
| Compagnie générale des établissements Michelin SCA | 2565 |
2 |
| GEA Process Engineering NV | 41 |
2 |
| The Japan Steel Works, Ltd. | 741 |
2 |
| Kobe Steel, Ltd. | 870 |
2 |
| Motan Holding GmbH | 33 |
2 |
| Toyo Tire & Rubber Co., Ltd. | 552 |
2 |
| Zhejiang Tiantai Xianghe Industrial Co., Ltd. | 10 |
2 |
| Other owners | 53 |