- 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 3/988 - Corner joints or edge joints for windows, doors, or the like frames or wings specially adapted for frame members of sheet metal, or similar sheet material, with an open generally U-shaped cross-section, e.g. for door frame members
Patent holdings for IPC class E06B 3/988
Total number of patents in this class: 48
10-year publication summary
|
1
|
2
|
0
|
5
|
1
|
4
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Andersen Corporation | 268 |
3 |
| Jorgenson-watts Pty Ltd | 6 |
3 |
| A. J. Manufacturing, Inc. | 5 |
3 |
| The Boeing Company | 20048 |
2 |
| Assa Abloy Entrance Systems AB | 527 |
2 |
| CPI Daylighting, Inc. | 12 |
2 |
| Wittur Holding GmbH | 111 |
2 |
| Hawkes Design and Consulting, LLC | 36 |
2 |
| Matki plc | 25 |
2 |
| Ninz S.p.A. | 21 |
2 |
| Inlay Door Systems LLC | 3 |
2 |
| Milgard Manufacturing LLC | 109 |
2 |
| Siemens AG | 24518 |
1 |
| Airbus S.A.S. | 902 |
1 |
| All-terior Systems, LLC | 1 |
1 |
| Assa Abloy Italia S.p.A. | 29 |
1 |
| Axer S.r.l. | 2 |
1 |
| Bunka Shutter Co., Ltd. | 36 |
1 |
| C.R. LAURENCE Co., Inc. | 118 |
1 |
| Hawkes Design & Consulting, LLC | 1 |
1 |
| Other owners | 13 |