- All sections
- A - Human necessities
- A01K - Animal husbandryavicultureapiculturepisciculturefishingrearing or breeding animals, not otherwise provided fornew breeds of animals
- A01K 31/02 - Door appliancesAutomatic door-openers
Patent holdings for IPC class A01K 31/02
Total number of patents in this class: 29
10-year publication summary
|
5
|
3
|
3
|
8
|
4
|
2
|
6
|
4
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mid-West Metal Products Co., Inc. | 141 |
5 |
| Hebe Studio Limited | 80 |
4 |
| Radio Systems Corporation | 632 |
2 |
| Smartec Products LLC | 22 |
2 |
| Diversified Agriculture LLC | 7 |
2 |
| Big Dutchman International GmbH | 77 |
1 |
| Farmer Automatic GmbH & Co. KG | 5 |
1 |
| Hytem Co., Ltd. | 40 |
1 |
| Marel Stork Poultry Processing B.V. | 89 |
1 |
| Thomas Perry Stamper | 1 |
1 |
| EZinGrow Ltd. | 2 |
1 |
| Presidio Studios Inc. | 1 |
1 |
| Koechner Mfg. Co., Inc. | 2 |
1 |
| Coop, Inc., The | 3 |
1 |
| Jure MARKIČ | 4 |
1 |
| Ningbo Xingzhou Intelligent Manufacturing Co., Ltd. | 5 |
1 |
| US Eiwo Inc | 4 |
1 |
| Xiamen Hedeman Electronic Technology Co., Ltd. | 1 |
1 |
| Shenzhen Ruichaoteng Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |