- All sections
- E - Fixed constructions
- E06B - Fixed or movable closures for openings in buildings, vehicles, fences, or like enclosures, in general, e.g. doors, windows, blinds, gates
- E06B 1/52 - Frames specially adapted for doors
Patent holdings for IPC class E06B 1/52
Total number of patents in this class: 334
10-year publication summary
|
34
|
40
|
36
|
32
|
25
|
43
|
38
|
29
|
30
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endura Products, LLC | 216 |
30 |
| Masonite Corporation | 712 |
16 |
| Sorrel Quarters, LLC | 51 |
11 |
| Steelcase Inc. | 1332 |
10 |
| AADG, Inc. | 75 |
8 |
| Anthony, Inc. | 145 |
7 |
| William-MacRae and Company | 15 |
6 |
| Assa Abloy Entrance Systems AB | 568 |
5 |
| Plastpro 2000, Inc. | 28 |
5 |
| American Mine Door Co. | 4 |
4 |
| JELD-WEN, inc. | 272 |
4 |
| Kawneer Company, Inc. | 100 |
4 |
| Unique Home Designs, Inc. | 13 |
4 |
| Cornellcookson, LLC | 189 |
4 |
| Larson Manufacturing Company of South Dakota, LLC | 63 |
4 |
| Andersen Corporation | 274 |
3 |
| Associated Materials, LLC, DBA Alside | 102 |
3 |
| DIRTT Environmental Solutions, Ltd. | 308 |
3 |
| Dynamic Closures Corporation | 26 |
3 |
| Foshan Ideal Co., Ltd | 48 |
3 |
| Other owners | 197 |