- 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 2/14 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
Patent holdings for IPC class F04C 2/14
Total number of patents in this class: 119
10-year publication summary
|
16
|
12
|
19
|
15
|
9
|
12
|
5
|
7
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
11 |
| Becton, Dickinson and Company | 6712 |
5 |
| Project Phoenix, LLC | 52 |
5 |
| Illinois Tool Works Inc. | 11152 |
4 |
| Deere & Company | 6845 |
4 |
| Robert Bosch GmbH | 40953 |
4 |
| Caterpillar Inc. | 8877 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| GHSP, Inc. | 122 |
2 |
| Oerlikon Textile GmbH & Co. KG | 611 |
2 |
| Politechnika Gdanska | 33 |
2 |
| Standex International Corporation | 79 |
2 |
| Stork Townsend Inc. | 24 |
2 |
| Viking Pump, Inc. | 61 |
2 |
| CIRCOR Pumps North America, LLC | 32 |
2 |
| Eaton Intelligent Power Limited | 6113 |
2 |
| Other owners | 56 |