- 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 3/28 - Wing frames not characterised by the manner of movement with additional removable glass panes or the like, framed or unframed
Patent holdings for IPC class E06B 3/28
Total number of patents in this class: 82
10-year publication summary
|
13
|
8
|
11
|
16
|
11
|
10
|
6
|
9
|
3
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wexenergy LLC | 15 |
13 |
| Pella Corporation | 205 |
4 |
| R Value, Inc. | 8 |
4 |
| Larson Manufacturing Company of South Dakota, LLC | 66 |
4 |
| Life Shield Engineered Systems, LLC | 3 |
3 |
| The Newway Company, Inc. | 13 |
3 |
| Corning Incorporated | 9932 |
2 |
| Impact Security LLC | 6 |
2 |
| Hawkes Design and Consulting, LLC | 32 |
2 |
| Gecko Glazing Ltd. | 2 |
2 |
| Best Solar Control, Inc. | 1 |
1 |
| Covestro LLC | 577 |
1 |
| Cyprexx Services, LLC | 9 |
1 |
| Emco Enterprises, Inc. | 6 |
1 |
| Faiveley Transport Tours | 66 |
1 |
| G & R de La FONTAINE, Inc. | 1 |
1 |
| GS Research, LLC | 5 |
1 |
| Hitachi Systems, Ltd. | 241 |
1 |
| Hunter Douglas Inc. | 934 |
1 |
| Insite Manufacturing Pty Ltd | 2 |
1 |
| Other owners | 33 |