- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 33/135 - Combustion residues, e.g fly ash, incineration waste
Patent holdings for IPC class C04B 33/135
Total number of patents in this class: 96
10-year publication summary
|
3
|
5
|
4
|
16
|
5
|
22
|
1
|
5
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vecor IP Holdings Limited | 32 |
21 |
| Vecor Ceramic Tiles Italia S.r.l. | 16 |
15 |
| Vecor IP Holdings Limited | 10 |
4 |
| Saxa Grestone S.p.A. | 12 |
4 |
| Tdh - GmbH Technischer Dämmstoffhandel | 8 |
3 |
| Tipco BV | 12 |
3 |
| Hebi Tianrui Petroleum Proppant Co., Ltd | 5 |
2 |
| Newsouth Innovations Pty Limited | 599 |
2 |
| Renescience A/S | 42 |
2 |
| Harbour Stone B.V. | 6 |
2 |
| California Institute of Technology | 3986 |
1 |
| The Board of Trustees of the University of Illinois | 2714 |
1 |
| Acciona Infraestructuras, S.A. | 13 |
1 |
| Baltic Ceramics S.A. | 3 |
1 |
| The Belden Brick Company, LLC | 6 |
1 |
| Ceramext, LLC | 4 |
1 |
| Drexel University | 1002 |
1 |
| Faculdade de Ciencias e Tecnologia da Universidade Nova de Lisboa | 26 |
1 |
| GMatex Co., Ltd. | 1 |
1 |
| Investment for Oily Shale Technologies Co. Ltd. | 3 |
1 |
| Other owners | 28 |