- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
Patent holdings for IPC class F04C 11/00
Total number of patents in this class: 540
10-year publication summary
|
50
|
53
|
62
|
40
|
41
|
39
|
42
|
29
|
33
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42614 |
28 |
| Project Phoenix, LLC | 53 |
23 |
| Hamilton Sundstrand Corporation | 4844 |
12 |
| Mikuni Corporation | 344 |
11 |
| LG Electronics Inc. | 72737 |
8 |
| Nordson Corporation | 1199 |
8 |
| Hanon Systems EFP Deutschland GmbH | 91 |
8 |
| Hitachi Astemo, Ltd. | 6382 |
8 |
| Denso Corporation | 24223 |
7 |
| Aisin AW Co., Ltd. | 2333 |
7 |
| JTEKT Corporation | 2492 |
7 |
| Vitesco Technologies GmbH | 2604 |
7 |
| Schaeffler Technologies AG & Co. KG | 9807 |
6 |
| ColorMatrix Holdings, Inc. | 127 |
6 |
| Fujitsu General Limited | 598 |
6 |
| Saudi Arabian Oil Company | 12947 |
6 |
| Valeo Embrayages | 649 |
6 |
| GM Global Technology Operations LLC | 14937 |
5 |
| Daikin Industries, Ltd. | 9973 |
5 |
| ITT Bornemann GmbH | 27 |
5 |
| Other owners | 361 |