- 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 33/22 - Opening, closing or clamping by rectilinear movement
Patent holdings for IPC class B29C 33/22
Total number of patents in this class: 93
10-year publication summary
5
|
4
|
8
|
7
|
2
|
4
|
7
|
5
|
8
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Heavy Industries, Ltd. | 1670 |
8 |
Kyoraku Co., Ltd. | 485 |
4 |
Konica Minolta Opto, Inc. | 1179 |
3 |
Graham Engineering Corporation | 19 |
3 |
Graham Packaging Company, L.P. | 455 |
3 |
Progressive Components International Corporation | 68 |
3 |
Safran Aircraft Engines | 5739 |
3 |
The Boeing Company | 19843 |
2 |
Align Technology, Inc. | 1818 |
2 |
The Japan Steel Works, Ltd. | 597 |
2 |
Kobe Steel, Ltd. | 912 |
2 |
Ube Machinery Corporation, Ltd. | 118 |
2 |
U-MHI Platech Co., Ltd. | 13 |
2 |
Vestas Wind Systems A/S | 3459 |
2 |
Farmer Mold and Machine Works, Inc. | 6 |
2 |
Sika Machinery Co., Ltd. | 4 |
2 |
Shanghai Zhanshi Mechanical Equipment Co., Ltd. | 2 |
2 |
Siemens AG | 24990 |
1 |
Toyota Motor Corporation | 28582 |
1 |
Canon Inc. | 36841 |
1 |
Other owners | 43 |