- 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 3/26 - Compound frames, i.e. one frame within or behind another
Patent holdings for IPC class E06B 3/26
Total number of patents in this class: 194
10-year publication summary
|
18
|
17
|
18
|
26
|
17
|
24
|
29
|
24
|
12
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arconic Technologies LLC | 334 |
8 |
| Filobe Co., Ltd. | 24 |
6 |
| Pella Corporation | 227 |
6 |
| Regalo International, LLC | 173 |
5 |
| Wexenergy LLC | 16 |
5 |
| Prof. Michael Lange Ingenieurgesellschaft mbH | 8 |
5 |
| Masonite Corporation | 704 |
4 |
| T&M Inventions, LLC | 29 |
4 |
| Zakrytoe aktsionernoe obschestvo "T.B.M." | 6 |
4 |
| Riot Glass, LLC | 18 |
4 |
| Solar Innovations LLC | 37 |
4 |
| Deceuninck NV | 77 |
3 |
| Hardwire, LLC | 46 |
3 |
| Oldcastle BuildingEnvelope, Inc. | 60 |
3 |
| The Presray Corporation | 6 |
3 |
| R Value, Inc. | 10 |
3 |
| Schuco International KG | 197 |
3 |
| Technoform Bautec Holding GmbH | 23 |
3 |
| Hawkes Design and Consulting, LLC | 36 |
3 |
| LG Chem, Ltd. | 17594 |
2 |
| Other owners | 113 |