- 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: 180
10-year publication summary
13
|
18
|
17
|
18
|
26
|
17
|
24
|
28
|
23
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Arconic Technologies LLC | 219 |
8 |
Filobe Co., Ltd. | 24 |
6 |
Pella Corporation | 205 |
5 |
Wexenergy LLC | 15 |
5 |
Prof. Michael Lange Ingenieurgesellschaft mbH | 7 |
5 |
Masonite Corporation | 461 |
4 |
Regalo International, LLC | 146 |
4 |
T&M Inventions, LLC | 29 |
4 |
Zakrytoe aktsionernoe obschestvo "T.B.M." | 6 |
4 |
Riot Glass, LLC | 17 |
4 |
Solar Innovations LLC | 35 |
4 |
Hardwire, LLC | 41 |
3 |
Oldcastle BuildingEnvelope, Inc. | 67 |
3 |
The Presray Corporation | 6 |
3 |
SABIC Global Technologies B.V. | 4044 |
3 |
Schuco International KG | 179 |
3 |
Technoform Bautec Holding GmbH | 22 |
3 |
Hawkes Design and Consulting, LLC | 32 |
3 |
LG Chem, Ltd. | 17205 |
2 |
Bay Industries, Inc. | 11 |
2 |
Other owners | 102 |