- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 15/00 - General arrangement or layout of plant
Patent holdings for IPC class B28B 15/00
Total number of patents in this class: 121
10-year publication summary
|
5
|
10
|
8
|
9
|
13
|
6
|
9
|
14
|
12
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Herrenknecht AG | 195 |
5 |
| Keystone Retaining Wall Systems LLC | 224 |
4 |
| Ness Inventions, Inc. | 27 |
3 |
| Speedblock Inc. | 6 |
3 |
| Air Krete, Inc. | 4 |
2 |
| B.T. Innovation GmbH | 47 |
2 |
| Columbia Machine, Inc. | 28 |
2 |
| Concrete Systems, Inc. | 8 |
2 |
| Rekers Verwaltungs-GmbH & Co., KG | 8 |
2 |
| Stable Concrete Structures, Inc. | 6 |
2 |
| Ebema, NV | 8 |
2 |
| Schlusselbauer, Ulrich | 5 |
2 |
| Bau-how AS | 9 |
2 |
| CCCC Second Harbor Engineering Co., Ltd. | 22 |
2 |
| Changsha Broad Homes Industrial Group Co., LED | 18 |
2 |
| Steven Howard Weick | 2 |
2 |
| Geomits S.r.l. | 3 |
2 |
| Texas Australia Rock Company, LLC | 3 |
2 |
| CCCC Highway Bridges National Engineering Research Center Co., Ltd. | 17 |
2 |
| Siemens AG | 24565 |
1 |
| Other owners | 75 |