- 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: 123
10-year publication summary
|
11
|
10
|
13
|
12
|
13
|
11
|
10
|
10
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
7 |
| Nihon Spindle Manufacturing Co., Ltd | 79 |
6 |
| Continental Reifen Deutschland GmbH | 2537 |
5 |
| The Yokohama Rubber Co., Ltd. | 4114 |
4 |
| Harburg-Freudenberger Maschinenbau GmbH | 192 |
4 |
| Suzuka Engineering Co., Ltd. | 11 |
4 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 484 |
4 |
| Bridgestone Corporation | 7251 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
3 |
| Compagnie Generale des Etablissements Michelin | 4969 |
3 |
| Robert Bosch GmbH | 44128 |
2 |
| Dow Global Technologies LLC | 10930 |
2 |
| Compagnie générale des établissements Michelin SCA | 2715 |
2 |
| Ampacet Corp. | 43 |
2 |
| GEA Process Engineering NV | 46 |
2 |
| The Japan Steel Works, Ltd. | 818 |
2 |
| Kobe Steel, Ltd. | 899 |
2 |
| Motan Holding GmbH | 38 |
2 |
| SAPPI Netherlands Services B.V. | 37 |
2 |
| Toyo Tire & Rubber Co., Ltd. | 488 |
2 |
| Other owners | 60 |