- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-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: 33
10-year publication summary
2
|
4
|
1
|
1
|
1
|
3
|
0
|
1
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Spirit AeroSystems, Inc. | 258 |
5 |
Konica Minolta Opto, Inc. | 1179 |
2 |
Sharp Kabushiki Kaisha | 18957 |
2 |
Novartis AG | 11238 |
1 |
Evonik Röhm GmbH | 452 |
1 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
Tyco Electronics (shanghai) Co. Ltd. | 759 |
1 |
Compagnie générale des établissements Michelin SCA | 2477 |
1 |
Michelin Recherche et Technique S.A. | 2328 |
1 |
Toray Industries, Inc. | 6652 |
1 |
LTS Lohmann Therapie-Systeme AG | 691 |
1 |
Northern Engraving Corporation | 4 |
1 |
Schock GmbH | 66 |
1 |
Sikorsky Aircraft Corporation | 1150 |
1 |
Soken Chemical & Engineering Co., Ltd. | 249 |
1 |
Suzhou Red Maple Wind Blade Mould Co., Ltd. | 22 |
1 |
Technische Universitat Munchen | 635 |
1 |
Thos. Bentley & Son Limited | 16 |
1 |
Kulzer GmbH | 480 |
1 |
Compagnie Generale des Etablissements Michelin | 4450 |
1 |
Other owners | 7 |