- All sections
- E - Fixed constructions
- E05C - Bolts or fastening devices for wings, specially for doors or windows
- E05C 17/32 - Devices for holding wings openDevices for limiting opening of wings or for holding wings open by a movable member extending between frame and wingBraking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of two or more pivoted rods
Patent holdings for IPC class E05C 17/32
Total number of patents in this class: 31
10-year publication summary
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3
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2
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1
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1
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3
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2
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4
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5
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3
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Assa Abloy New Zealand Limited | 44 |
4 |
| Sugatsune Kogyo Co., Ltd. | 255 |
4 |
| Textron Innovations Inc. | 2443 |
3 |
| Truth Hardware Corporation | 134 |
2 |
| Gescar Industriel Inc. | 2 |
2 |
| GM Global Technology Operations LLC | 16155 |
1 |
| Assa Abloy Entrance Systems AB | 636 |
1 |
| Cmech (Guangzhou) Industrial Ltd. | 12 |
1 |
| Guangdong Aurican Architectural Hardware Co., Ltd. | 1 |
1 |
| Mighton Products Limited | 39 |
1 |
| Qingdao Haier Refrigerator Co., Ltd | 1652 |
1 |
| Thule Sweden AB | 621 |
1 |
| Vision Industries Group, Inc. | 35 |
1 |
| Textron Aviation Rhode Island, Inc. | 90 |
1 |
| Haier Smart Home Co., Ltd. | 5716 |
1 |
| AS Spilka Industri | 7 |
1 |
| Ltab Pty Ltd | 1 |
1 |
| Qingyuan City First Construction New Material Co., Ltd. | 2 |
1 |
| Beijing Youzhuju Network Technology Co., Ltd. | 1214 |
1 |
| Tuulilukko Oy | 1 |
1 |
| Other owners | 1 |