- All sections
- B - Performing operationstransporting
- B29C - Shaping or joining of plasticsshaping of material in a plastic state, not otherwise provided forafter-treatment of the shaped products, e.g. repairing
- B29C 39/40 - Compensating volume change, e.g. retraction
Patent holdings for IPC class B29C 39/40
Total number of patents in this class: 37
10-year publication summary
|
4
|
1
|
1
|
1
|
3
|
0
|
1
|
3
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spirit AeroSystems, Inc. | 275 |
5 |
| Konica Minolta Opto, Inc. | 1071 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14428 |
2 |
| LTS Lohmann Therapie-Systeme AG | 703 |
2 |
| Sharp Kabushiki Kaisha | 18756 |
2 |
| Novartis AG | 10741 |
1 |
| Evonik Röhm GmbH | 439 |
1 |
| Tyco Electronics (shanghai) Co. Ltd. | 896 |
1 |
| Compagnie générale des établissements Michelin SCA | 2563 |
1 |
| Michelin Recherche et Technique S.A. | 2164 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| Mitsui Chemicals, Inc. | 3224 |
1 |
| Hanwha Azdel, Inc. | 105 |
1 |
| Northern Engraving Corporation | 4 |
1 |
| Schock GmbH | 65 |
1 |
| Sikorsky Aircraft Corporation | 1100 |
1 |
| Soken Chemical & Engineering Co., Ltd. | 258 |
1 |
| Suzhou Red Maple Wind Blade Mould Co., Ltd. | 22 |
1 |
| Technische Universitat Munchen | 690 |
1 |
| Thos. Bentley & Son Limited | 11 |
1 |
| Other owners | 9 |