- 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: 161
10-year publication summary
8
|
10
|
22
|
21
|
17
|
20
|
9
|
20
|
12
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CIRCOR Pumps North America, LLC | 32 |
9 |
ITT Manufacturing Enterprises LLC | 518 |
5 |
seepex GmbH | 54 |
5 |
Gorman-Rupp Company, The | 142 |
4 |
Stackpole International Engineered Products, Ltd. | 46 |
4 |
Daikin Industries, Ltd. | 9495 |
3 |
Franklin Electric Co., Inc. | 217 |
3 |
Watson-Marlow GmbH | 33 |
3 |
Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
3 |
Hanon Systems EFP Deutschland GmbH | 79 |
3 |
Halliburton Energy Services, Inc. | 20165 |
2 |
LG Chem, Ltd. | 17205 |
2 |
Robert Bosch GmbH | 40953 |
2 |
JTEKT Corporation | 2423 |
2 |
Ateliers Busch SA | 53 |
2 |
FTE automotive GmbH | 78 |
2 |
GHSP, Inc. | 122 |
2 |
GKN Sinter Metals Engineering GmbH | 128 |
2 |
Heishin Techno Werke Ltd. | 3 |
2 |
Leistritz Pumpen GmbH | 22 |
2 |
Other owners | 99 |