- 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: 330
10-year publication summary
|
38
|
47
|
48
|
39
|
35
|
44
|
44
|
30
|
31
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Endura Products, LLC | 216 |
29 |
| Masonite Corporation | 704 |
16 |
| Sorrel Quarters, LLC | 51 |
11 |
| Steelcase Inc. | 1337 |
10 |
| AADG, Inc. | 71 |
7 |
| Anthony, Inc. | 141 |
7 |
| Assa Abloy Entrance Systems AB | 528 |
6 |
| William-MacRae and Company | 15 |
6 |
| Plastpro 2000, Inc. | 28 |
5 |
| American Mine Door Co. | 4 |
4 |
| JELD-WEN, inc. | 275 |
4 |
| Cornellcookson, LLC | 180 |
4 |
| Arconic Technologies LLC | 334 |
4 |
| Larson Manufacturing Company of South Dakota, LLC | 63 |
4 |
| Andersen Corporation | 267 |
3 |
| Associated Materials, LLC, DBA Alside | 100 |
3 |
| DIRTT Environmental Solutions, Ltd. | 313 |
3 |
| Dynamic Closures Corporation | 26 |
3 |
| Foshan Ideal Co., Ltd | 48 |
3 |
| Hussmann Corporation | 226 |
3 |
| Other owners | 195 |