- All sections
- B - Performing operationstransporting
- B28C - Preparing clayproducing 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: 87
10-year publication summary
|
5
|
12
|
6
|
8
|
5
|
7
|
5
|
11
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 11820 |
10 |
| United States Gypsum Company | 932 |
6 |
| Schlumberger Canada Limited | 7601 |
4 |
| Halliburton Energy Services, Inc. | 21320 |
4 |
| Schlumberger Technology B.v. | 5295 |
3 |
| Services Petroliers Schlumberger | 6023 |
3 |
| J&P Invesco LLC | 17 |
3 |
| Construction Research & Technology GmbH | 600 |
2 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| Sany Heavy Industry Co., Ltd. | 240 |
2 |
| Universiteit Gent | 1406 |
2 |
| Bay-lynx Manufacturing Inc. | 6 |
2 |
| Sonocrete GmbH | 12 |
2 |
| Cemex Innovation Holding AG | 8 |
2 |
| NJ IP Holding Company LLC | 6 |
2 |
| Concraft Technologies Private Limited | 2 |
2 |
| Schlumberger Holdings Limited | 2694 |
1 |
| NGK Insulators, Ltd. | 5239 |
1 |
| AMIX Systems Ltd | 2 |
1 |
| Other owners | 31 |