- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 2/42 - GratingsGrid-like panels
Patent holdings for IPC class E04C 2/42
Total number of patents in this class: 143
10-year publication summary
|
12
|
7
|
18
|
10
|
11
|
5
|
5
|
10
|
11
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ohio Gratings, Inc. | 38 |
8 |
| Emeh, Inc. | 87 |
6 |
| Hilti Aktiengesellschaft | 3592 |
5 |
| ACO Severin Ahlmann GmbH & Co. KG | 95 |
4 |
| University of Canterbury | 34 |
3 |
| Hubbell Incorporated | 3408 |
2 |
| Belanger, Inc. | 143 |
2 |
| Covestro LLC | 598 |
2 |
| Forcegenie, LLC | 5 |
2 |
| Nucor Corporation | 412 |
2 |
| Protektorwerk Florenz Maisch GmbH & Co. KG | 96 |
2 |
| Quality Electrical Systems, Inc. | 8 |
2 |
| Senqcia Corporation | 36 |
2 |
| Shanghai Electrician Industry & Commerce Co., Ltd. | 7 |
2 |
| Shanghai Puhe Technology Co., Ltd. | 5 |
2 |
| Steeltec Supply, Inc. | 2 |
2 |
| Structa Wire Corp. | 14 |
2 |
| Universite de Lorraine | 394 |
2 |
| Worthington Armstrong Venture | 117 |
2 |
| Morlock Holdings Ltd. | 14 |
2 |
| Other owners | 87 |