- 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: 399
10-year publication summary
|
12
|
24
|
40
|
31
|
42
|
32
|
57
|
43
|
27
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Refrigerator Co., Ltd | 1566 |
21 |
| Haier Smart Home Co., Ltd. | 5456 |
21 |
| Qingdao Haier Joint Stock Co., Ltd. | 596 |
19 |
| Hefei Hualing Co., Ltd. | 487 |
17 |
| Hefei Midea Refrigerator Co., Ltd. | 443 |
17 |
| Midea Group Co., Ltd. | 4547 |
17 |
| Fositek Corporation | 96 |
16 |
| Compal Electronics, Inc. | 706 |
15 |
| Samsung Electronics Co., Ltd. | 146092 |
11 |
| Microsoft Technology Licensing, LLC | 53720 |
9 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12237 |
8 |
| Acer Incorporated | 2050 |
8 |
| Ol.mi S.r.l. | 29 |
8 |
| Sugatsune Kogyo Co., Ltd. | 257 |
8 |
| Samsung Display Co., Ltd. | 34696 |
6 |
| Hettich-oni GmbH & Co. KG | 114 |
6 |
| ANSELMI & C. S.r.l. | 16 |
5 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 324 |
5 |
| Apple Inc. | 54844 |
4 |
| Hewlett-Packard Development Company, L.P. | 25895 |
4 |
| Other owners | 174 |