- 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 20/04 - Heat treatment
Patent holdings for IPC class C04B 20/04
Total number of patents in this class: 132
10-year publication summary
|
4
|
5
|
9
|
6
|
5
|
13
|
17
|
24
|
29
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terra CO2 Technology Holdings, Inc. | 33 |
13 |
| ThyssenKrupp AG | 3207 |
5 |
| ThyssenKrupp Industrial Solutions AG | 700 |
4 |
| Asphalt Sciences LLC, DBA Asphalt Sciences LLC | 19 |
4 |
| Aalborg Portland A/S | 5 |
4 |
| Hsustainability GmbH | 31 |
4 |
| Colas | 161 |
3 |
| KHD Humboldt Wedag GmbH | 192 |
3 |
| U.S. Silica Company | 101 |
3 |
| FLSmidth A/S | 858 |
3 |
| Board of Regents, The University of Texas System | 5604 |
2 |
| Mayo Foundation for Medical Education and Research | 3100 |
2 |
| Imerys Minerals Limited | 129 |
2 |
| Quest Diagnostics Investments LLC | 370 |
2 |
| Solidia Technologies, Inc. | 113 |
2 |
| Vito NV | 267 |
2 |
| TwinStrand Biosciences, Inc. | 50 |
2 |
| Cosentino Research & Development, S.L. | 34 |
2 |
| Hconnect 2 GmbH | 48 |
2 |
| EM Resources LLC | 41 |
2 |
| Other owners | 66 |