- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/36 - Bituminous materials, e.g. tar, pitch
Patent holdings for IPC class C04B 24/36
Total number of patents in this class: 71
10-year publication summary
2
|
5
|
7
|
4
|
7
|
3
|
1
|
2
|
2
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
A.L.M. Holding Company | 83 |
4 |
Ergon Asphalt & Emulsions, Inc. | 117 |
4 |
Halliburton Energy Services, Inc. | 20944 |
3 |
Shell Internationale Research Maatschappij B.V. | 3553 |
3 |
Henry Company, LLC | 231 |
3 |
Schlumberger Technology Corporation | 10868 |
2 |
Hansoo Natech Co., Ltd | 3 |
2 |
Schlumberger Canada Limited | 7363 |
1 |
Schlumberger Technology B.v. | 5187 |
1 |
Schlumberger Holdings Limited | 2808 |
1 |
Shell Oil Company | 2138 |
1 |
Georgia-Pacific Chemicals LLC | 135 |
1 |
Blacklidge Emulsions, Inc. | 11 |
1 |
Carmeuse Lime, Inc. | 35 |
1 |
Comadur S.A. | 87 |
1 |
Construction Research & Technology GmbH | 641 |
1 |
Garmor, Inc. | 14 |
1 |
Hebei University of Technology | 37 |
1 |
Heritage Research Group | 21 |
1 |
Holcim Technology Ltd. | 778 |
1 |
Other owners | 37 |