- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 5/00 - Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
Patent holdings for IPC class F04C 5/00
Total number of patents in this class: 229
10-year publication summary
|
17
|
22
|
18
|
7
|
20
|
16
|
9
|
15
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EBM-Papst St. Georgen GmbH & Co. KG | 225 |
17 |
| Vitesco Technologies GmbH | 2397 |
14 |
| Continental Automotive GmbH | 4503 |
13 |
| Quantex Patents Limited | 11 |
10 |
| Charles Austen Pumps Limited | 54 |
9 |
| Quantex ARC Limited | 13 |
9 |
| Watson-Marlow GmbH | 35 |
8 |
| CareFusion 303, Inc. | 2379 |
7 |
| Nikkiso Co., Ltd. | 791 |
7 |
| Qonqave GmbH | 13 |
5 |
| PSG Germany GmbH | 43 |
5 |
| Welco Co., Ltd. | 19 |
4 |
| The Board of Regents of the University of Texas System | 2296 |
4 |
| I Peace, Inc. | 118 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
3 |
| Nipro Corporation | 1052 |
3 |
| Primetech Corporation | 10 |
3 |
| Marine Flow Limited | 3 |
3 |
| TCS Micropumps Limited | 5 |
3 |
| Baker Hughes Incorporated | 4934 |
2 |
| Other owners | 96 |