- 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: 338
10-year publication summary
|
33
|
24
|
18
|
13
|
8
|
9
|
6
|
6
|
10
|
4
|
| 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. | 401 |
16 |
| Toyo Seikan Kaisha, Ltd. | 299 |
14 |
| Jiangsu Newamstar Packaging Machinery Co., Ltd. | 61 |
10 |
| Kyoraku Co., Ltd. | 519 |
9 |
| Mitsubishi Chemical Corporation | 4724 |
8 |
| Yoshino Kogyosho Co., Ltd. | 679 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
7 |
| Belanger, Inc. | 143 |
5 |
| Kautex Textron GmbH & Co. KG | 510 |
5 |
| Murata Machinery, Ltd. | 1595 |
5 |
| The Boeing Company | 20160 |
4 |
| Denso Corporation | 25534 |
4 |
| Dai Nippon Printing Co., Ltd. | 4238 |
4 |
| Toyo Seikan Group Holdings, Ltd. | 853 |
4 |
| Piston Opw, Inc. | 77 |
4 |
| LG Chem, Ltd. | 17921 |
3 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
3 |
| Composite Rebar Technologies, Inc. | 13 |
3 |
| Discma AG | 261 |
3 |
| MAM Babyartikel Gesellschaft m.b.H. | 107 |
3 |
| Other owners | 216 |