- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 14/28 - Safety arrangements; Monitoring
Patent holdings for IPC class F04C 14/28
Total number of patents in this class: 173
10-year publication summary
|
10
|
22
|
21
|
17
|
20
|
11
|
21
|
12
|
13
|
1
|
| 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 | 32 |
9 |
| seepex GmbH | 56 |
5 |
| Stackpole International Engineered Products, Ltd. | 48 |
5 |
| Gorman-Rupp Company, The | 157 |
4 |
| ITT Manufacturing Enterprises LLC | 410 |
4 |
| Daikin Industries, Ltd. | 9838 |
3 |
| Franklin Electric Co., Inc. | 217 |
3 |
| Mikuni Corporation | 336 |
3 |
| Watson-Marlow GmbH | 34 |
3 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 278 |
3 |
| Vogelsang GmbH & Co. KG | 56 |
3 |
| Hanon Systems EFP Deutschland GmbH | 86 |
3 |
| Valeo Powertrain GmbH | 40 |
3 |
| Halliburton Energy Services, Inc. | 20438 |
2 |
| LG Chem, Ltd. | 17639 |
2 |
| Robert Bosch GmbH | 41786 |
2 |
| NTN Corporation | 4976 |
2 |
| JTEKT Corporation | 2443 |
2 |
| ABB Schweiz AG | 6632 |
2 |
| Ateliers Busch SA | 53 |
2 |
| Other owners | 108 |