- 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 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: 226
10-year publication summary
|
20
|
22
|
17
|
22
|
18
|
7
|
20
|
15
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EBM-Papst St. Georgen GmbH & Co. KG | 286 |
17 |
| Vitesco Technologies GmbH | 2372 |
14 |
| Continental Automotive GmbH | 5573 |
13 |
| Quantex Patents Limited | 11 |
10 |
| Quantex ARC Limited | 15 |
10 |
| Charles Austen Pumps Limited | 45 |
9 |
| CareFusion 303, Inc. | 1975 |
7 |
| Watson-Marlow GmbH | 33 |
6 |
| Qonqave GmbH | 13 |
5 |
| Nikkiso Co., Ltd. | 754 |
4 |
| Welco Co., Ltd. | 16 |
4 |
| The Board of Regents of the University of Texas System | 2043 |
4 |
| I Peace, Inc. | 98 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Nipro Corporation | 995 |
3 |
| Primetech Corporation | 10 |
3 |
| Suntory Holdings Limited | 1846 |
3 |
| TCS Micropumps Limited | 5 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| Other owners | 100 |