- All sections
- B - Performing operationstransporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 22/00 - Hollow articles
Patent holdings for IPC class B29L 22/00
Total number of patents in this class: 337
10-year publication summary
|
33
|
24
|
18
|
13
|
8
|
9
|
6
|
7
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissei ASB Machine Co., Ltd. | 403 |
16 |
| Toyo Seikan Kaisha, Ltd. | 287 |
14 |
| Jiangsu Newamstar Packaging Machinery Co., Ltd. | 61 |
10 |
| Kyoraku Co., Ltd. | 520 |
10 |
| Mitsubishi Chemical Corporation | 4746 |
8 |
| Yoshino Kogyosho Co., Ltd. | 670 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12324 |
7 |
| Belanger, Inc. | 143 |
5 |
| Kautex Textron GmbH & Co. KG | 512 |
5 |
| Murata Machinery, Ltd. | 1612 |
5 |
| The Boeing Company | 20193 |
4 |
| Denso Corporation | 25746 |
4 |
| Toyo Seikan Group Holdings, Ltd. | 854 |
4 |
| Piston Opw, Inc. | 75 |
4 |
| LG Chem, Ltd. | 17970 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 15452 |
3 |
| Composite Rebar Technologies, Inc. | 13 |
3 |
| Discma AG | 262 |
3 |
| Guangzhou Tech-long Packaging Machinery Co., Ltd. | 49 |
3 |
| MAM Babyartikel Gesellschaft m.b.H. | 106 |
3 |
| Other owners | 216 |