- All sections
- B - Performing operations; transporting
- B29B - Preparation or pretreatment of the material to be shaped; making granules or preforms; recovery of plastics or other constituents of waste material containing plastics
- B29B 7/28 - Component parts, details or accessories; Auxiliary 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: 104
10-year publication summary
5
|
10
|
11
|
10
|
12
|
12
|
13
|
11
|
10
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Continental Reifen Deutschland GmbH | 2324 |
5 |
The Yokohama Rubber Co., Ltd. | 3929 |
5 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
5 |
Nihon Spindle Manufacturing Co., Ltd | 74 |
4 |
Suzuka Engineering Co., Ltd. | 8 |
4 |
Mitsubishi Heavy Industries Machinery Systems, Ltd. | 422 |
4 |
National Institute of Advanced Industrial Science and Technology | 3677 |
3 |
SAPPI Netherlands Services B.V. | 45 |
3 |
Compagnie Generale des Etablissements Michelin | 4450 |
3 |
Robert Bosch GmbH | 40953 |
2 |
Bridgestone Corporation | 7067 |
2 |
Dow Global Technologies LLC | 10147 |
2 |
Compagnie générale des établissements Michelin SCA | 2477 |
2 |
GEA Process Engineering NV | 36 |
2 |
Harburg-Freudenberger Maschinenbau GmbH | 176 |
2 |
The Japan Steel Works, Ltd. | 597 |
2 |
Kobe Steel, Ltd. | 912 |
2 |
Omya International AG | 816 |
2 |
PerkinElmer Health Sciences, Inc. | 274 |
2 |
Toyo Tire & Rubber Co., Ltd. | 631 |
2 |
Other owners | 46 |