- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair
- E01C 23/04 - Devices for laying reinforcing elements or dowel barsRemovable supports for reinforcing elementsDevices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcement
Patent holdings for IPC class E01C 23/04
Total number of patents in this class: 43
10-year publication summary
|
5
|
5
|
7
|
7
|
5
|
8
|
3
|
7
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guntert & Zimmerman Const. Div., Inc. | 19 |
14 |
| Shaw & Sons, Inc. | 39 |
4 |
| All States Construction, Inc. | 10 |
3 |
| McTech Group, Inc. | 13 |
2 |
| OCV Intellectual Capital, LLC | 183 |
2 |
| Pavegard Products Inc. | 3 |
2 |
| Steelike, Inc., FORMERLY Kulish Design Co. LLC | 7 |
2 |
| Acme Concrete Paving Inc | 2 |
1 |
| Danley Construction Products Pty Ltd | 5 |
1 |
| DYWIDAG-Systems International Pty Limited | 14 |
1 |
| GOMACO Corporation | 60 |
1 |
| Michels Corporation | 33 |
1 |
| Minnich Manufacturing Company, Inc. | 13 |
1 |
| NV Bekaert SA | 745 |
1 |
| Permaban Limited | 16 |
1 |
| SAM Woo Innovation Maintenance Construction Co., Ltd. | 2 |
1 |
| Wirtgen GmbH | 499 |
1 |
| The Gorman Group LLC | 1 |
1 |
| SPURRELL, Shaun Anthony | 1 |
1 |
| Power Curbers Companies, LLC | 4 |
1 |
| Other owners | 1 |