E05D 13/1246
Spring safety devices
Official title: {Spring safety devices}
E05D13/1246 (Spring safety devices) appears on 4 US grants and 4 published applications in this corpus.
Search patents in E05D- Granted patents
- 4
- Published applications
- 4
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 11 Feb 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year.
Recent patents
- Weight compensation device of a lifting door with at least one compression spring11 Feb 2020US 10,557,296 B2
- Weight compensation device of a lifting door with at least one compression spring25 Jun 2019US 10,329,815 B2
- Weight compensation device of a lifting door with at least one compression spring4 Dec 2018US 10,145,160 B2
- Weight compensation device of a lifting door with at least one compression spring3 Jul 2018US 10,012,015 B2
- Weight compensation device of a lifting door with at least one compression spring4 Oct 2018US 2018/0283068 A1
- Weight compensation device of a lifting door with at least one compression spring4 Oct 2018US 2018/0283069 A1
- Weight compensation device of a lifting door with at least one compression spring1 Feb 2018US 2018/0030768 A1
- Weight compensation device of a lifting door with at least one compression spring26 Mar 2015US 2015/0082706 A1
Most cited
By later US patents