- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 14/28 - Safety arrangementsMonitoring
Patent holdings for IPC class F04C 14/28
Total number of patents in this class: 181
10-year publication summary
|
9
|
18
|
18
|
16
|
16
|
10
|
20
|
11
|
14
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CIRCOR Pumps North America, LLC | 34 |
9 |
| seepex GmbH | 56 |
5 |
| Gorman-Rupp Company, The | 165 |
4 |
| ITT Manufacturing Enterprises LLC | 405 |
4 |
| Daikin Industries, Ltd. | 10118 |
3 |
| Schaeffler Technologies AG & Co. KG | 10067 |
3 |
| Franklin Electric Co., Inc. | 224 |
3 |
| Mikuni Corporation | 340 |
3 |
| Stackpole International Engineered Products, Ltd. | 28 |
3 |
| Valco Cincinnati, Inc. | 38 |
3 |
| Watson-Marlow GmbH | 35 |
3 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 304 |
3 |
| Vogelsang GmbH & Co. KG | 59 |
3 |
| Hanon Systems EFP Deutschland GmbH | 91 |
3 |
| Valeo Powertrain GmbH | 44 |
3 |
| Halliburton Energy Services, Inc. | 21002 |
2 |
| LG Chem, Ltd. | 17674 |
2 |
| Robert Bosch GmbH | 42887 |
2 |
| NTN Corporation | 4978 |
2 |
| JTEKT Corporation | 2521 |
2 |
| Other owners | 116 |