- 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: 188
10-year publication summary
|
22
|
21
|
17
|
20
|
11
|
20
|
11
|
13
|
10
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CIRCOR Pumps North America, LLC | 36 |
9 |
| seepex GmbH | 55 |
6 |
| Schaeffler Technologies AG & Co. KG | 11069 |
4 |
| Gorman-Rupp Company, The | 170 |
4 |
| ITT Manufacturing Enterprises LLC | 420 |
4 |
| Daikin Industries, Ltd. | 10513 |
3 |
| Franklin Electric Co., Inc. | 221 |
3 |
| Mikuni Corporation | 341 |
3 |
| Valco Cincinnati, Inc. | 37 |
3 |
| Watson-Marlow GmbH | 35 |
3 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 333 |
3 |
| Vogelsang GmbH & Co. KG | 64 |
3 |
| Hanon Systems EFP Deutschland GmbH | 97 |
3 |
| Halliburton Energy Services, Inc. | 21318 |
2 |
| LG Chem, Ltd. | 17937 |
2 |
| Robert Bosch GmbH | 44238 |
2 |
| NTN Corporation | 4921 |
2 |
| JTEKT Corporation | 2599 |
2 |
| ABB Schweiz AG | 7656 |
2 |
| Ateliers Busch SA | 49 |
2 |
| Other owners | 123 |