- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 18/26 - Wood, e.g. sawdust, wood shavings
Patent holdings for IPC class C04B 18/26
Total number of patents in this class: 47
10-year publication summary
|
1
|
4
|
2
|
6
|
5
|
7
|
4
|
9
|
11
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichiha Corporation | 180 |
5 |
| Stewart Superabsorbents, LLC | 16 |
3 |
| Alliance for Sustainable Energy, LLC | 756 |
2 |
| CCM Research Limited | 13 |
2 |
| Colorado School of Mines | 175 |
2 |
| Nano-green Biorefineries Inc. | 11 |
2 |
| Saint-Gobain Placo SAS | 141 |
2 |
| I4f Licensing NV | 267 |
2 |
| Halliburton Energy Services, Inc. | 20438 |
1 |
| Armstrong World Industries, Inc. | 349 |
1 |
| Champion Link International Corporation | 78 |
1 |
| ECONOVATE Ltd | 2 |
1 |
| Fiber Resources, Inc. | 3 |
1 |
| Industrial Cooperation Foundation Chonbuk National University | 458 |
1 |
| Saint-Gobain Ecophon AB | 170 |
1 |
| Sandrock Ventures LLC | 2 |
1 |
| Swisspearl Group AG | 53 |
1 |
| The University of Tokyo | 4060 |
1 |
| Weyerhaeuser NR Company | 339 |
1 |
| Etex Services NV | 53 |
1 |
| Other owners | 15 |