- All sections
- E - Fixed constructions
- E05D - Hinges or suspension devices for doors, windows or wings
- E05D 3/18 - Hinges with pins with two or more pins with sliding pins or guides
Patent holdings for IPC class E05D 3/18
Total number of patents in this class: 451
10-year publication summary
|
24
|
40
|
31
|
42
|
32
|
57
|
44
|
26
|
23
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hefei Hualing Co., Ltd. | 564 |
27 |
| Hefei Midea Refrigerator Co., Ltd. | 519 |
27 |
| Midea Group Co., Ltd. | 4979 |
27 |
| Qingdao Haier Refrigerator Co., Ltd | 1651 |
23 |
| Haier Smart Home Co., Ltd. | 5707 |
23 |
| Qingdao Haier Joint Stock Co., Ltd. | 596 |
19 |
| Fositek Corporation | 144 |
16 |
| Compal Electronics, Inc. | 730 |
15 |
| Samsung Electronics Co., Ltd. | 157557 |
11 |
| Microsoft Technology Licensing, LLC | 54439 |
11 |
| Acer Incorporated | 2181 |
8 |
| Ol.mi S.r.l. | 32 |
8 |
| Sugatsune Kogyo Co., Ltd. | 255 |
8 |
| LG Electronics Inc. | 75654 |
7 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14935 |
7 |
| Hettich-oni GmbH & Co. KG | 129 |
7 |
| Samsung Display Co., Ltd. | 38570 |
6 |
| Julius Blum GmbH | 1315 |
5 |
| ANSELMI & C. S.r.l. | 16 |
5 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 325 |
5 |
| Other owners | 186 |