- 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 111/34 - Non-shrinking materials
Patent holdings for IPC class C04B 111/34
Total number of patents in this class: 143
10-year publication summary
11
|
9
|
13
|
16
|
18
|
13
|
8
|
11
|
2
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
United States Gypsum Company | 1019 |
11 |
NGK Insulators, Ltd. | 4589 |
8 |
Sika Technology AG | 2650 |
8 |
Corning Incorporated | 9932 |
7 |
Saint-Gobain Placo | 176 |
7 |
Halliburton Energy Services, Inc. | 20165 |
4 |
Saudi Arabian Oil Company | 11322 |
4 |
Construction Research & Technology GmbH | 640 |
3 |
Schlumberger Technology Corporation | 9690 |
2 |
BASF SE | 19740 |
2 |
The Boeing Company | 19843 |
2 |
Dow Global Technologies LLC | 10147 |
2 |
Northwestern University | 3112 |
2 |
Aramco Services Company | 3504 |
2 |
Denka Company Limited | 2189 |
2 |
Holcim Technology Ltd. | 868 |
2 |
Knauf Gips KG | 534 |
2 |
Korea Institute of Civil Engineering and Building Technology | 119 |
2 |
Nippon Shokubai Co., Ltd. | 1487 |
2 |
Washington State University | 449 |
2 |
Other owners | 67 |