- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 1/12 - Pumps with scoops or like paring members protruding in the fluid circulating in a bowl
Patent holdings for IPC class F04D 1/12
Total number of patents in this class: 29
10-year publication summary
|
9
|
0
|
4
|
4
|
1
|
1
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trillium Pumps USA, Inc. | 22 |
4 |
| Enrichment Technology Company Ltd. Zweigniederlassung Deutschland | 33 |
3 |
| Siemens Energy Global GmbH & Co. KG | 3447 |
2 |
| General Electric Company | 13938 |
1 |
| Siemens AG | 23983 |
1 |
| Airbus Operations GmbH | 3457 |
1 |
| Kohler Co. | 4143 |
1 |
| GM Global Technology Operations LLC | 16205 |
1 |
| Rolls-Royce PLC | 3222 |
1 |
| Hamilton Sundstrand Corporation | 5013 |
1 |
| Siemens Energy, Inc. | 1683 |
1 |
| EnviroTech Pumpsystems, Inc. | 7 |
1 |
| Ettem Engineering S.A. Ltd. | 5 |
1 |
| Flow Control LLC. | 146 |
1 |
| Guangzhou Maiguang Electronic Science Technology Co., Ltd. | 12 |
1 |
| Korea Institute of Industrial Technology | 1032 |
1 |
| KSB Aktiengesellschaft | 153 |
1 |
| Paragon Space Development Corporation | 50 |
1 |
| Rolls-Royce Deutschland Ltd & Co KG | 864 |
1 |
| Grundfos Holding A/S | 612 |
1 |
| Other owners | 3 |