- All sections
- B - Performing operations; transporting
- B28C - Preparing clay; producing mixtures containing clay or cementitious material, e.g. plaster
- B28C 9/00 - General arrangement or layout of plant
Patent holdings for IPC class B28C 9/00
Total number of patents in this class: 84
10-year publication summary
|
6
|
5
|
12
|
6
|
8
|
5
|
7
|
4
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 10217 |
8 |
| Schlumberger Canada Limited | 7137 |
6 |
| United States Gypsum Company | 999 |
6 |
| Schlumberger Technology B.v. | 5058 |
5 |
| Services Petroliers Schlumberger | 5616 |
5 |
| Halliburton Energy Services, Inc. | 20403 |
4 |
| Schlumberger Holdings Limited | 2870 |
3 |
| Outotec (Finland) Oy | 489 |
3 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 343 |
2 |
| Prad Research and Development Limited | 2696 |
2 |
| Sany Heavy Industry Co., Ltd. | 243 |
2 |
| Universiteit Gent | 1313 |
2 |
| Bay-lynx Manufacturing Inc. | 6 |
2 |
| Sonocrete GmbH | 8 |
2 |
| J&P Invesco LLC | 15 |
2 |
| NGK Insulators, Ltd. | 4782 |
1 |
| AMIX Systems Ltd | 2 |
1 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
1 |
| Construction Research & Technology GmbH | 651 |
1 |
| Favco Composite Technology (US), Inc. | 6 |
1 |
| Other owners | 25 |