- All sections
- B - Performing operations; transporting
- B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors
- B65G 53/52 - Adaptations of pipes or tubes
Patent holdings for IPC class B65G 53/52
Total number of patents in this class: 211
10-year publication summary
|
14
|
11
|
24
|
27
|
24
|
21
|
19
|
17
|
3
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MariCap Oy | 182 |
25 |
| CNH Industrial Canada, Ltd. | 963 |
15 |
| Esser-Werke GmbH & Co. KG | 11 |
8 |
| Deere & Company | 6845 |
7 |
| Blue Leaf I.P., Inc. | 2758 |
5 |
| Coperion GmbH | 131 |
5 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
4 |
| Montag Investments, LLC | 28 |
4 |
| Sany Heavy Industry Co., Ltd. | 243 |
4 |
| Valme S.r.l. - Unico Socio | 4 |
4 |
| The General Hospital Corporation | 4517 |
3 |
| Braskem America, Inc. | 177 |
3 |
| Gema Switzerland GmbH | 165 |
3 |
| Mitsubishi Chemical Engineering Corporation | 48 |
3 |
| Red Valve Company, Inc. | 33 |
3 |
| FLSmidth A/S | 923 |
3 |
| Illucens GmbH | 7 |
3 |
| Kimberly-clark Worldwide, Inc. | 5854 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Bailey-Parks Urethane, Inc. | 8 |
2 |
| Other owners | 103 |