- 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: 576
10-year publication summary
|
53
|
62
|
40
|
41
|
39
|
43
|
29
|
36
|
31
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44128 |
29 |
| Project Phoenix, LLC | 55 |
23 |
| Hamilton Sundstrand Corporation | 5016 |
12 |
| Mikuni Corporation | 339 |
11 |
| Valeo Embrayages | 689 |
10 |
| LG Electronics Inc. | 75654 |
9 |
| Nordson Corporation | 1200 |
8 |
| Hanon Systems EFP Deutschland GmbH | 97 |
8 |
| Hitachi Astemo, Ltd. | 6410 |
8 |
| Denso Corporation | 25513 |
7 |
| Aisin AW Co., Ltd. | 2256 |
7 |
| Schaeffler Technologies AG & Co. KG | 10948 |
7 |
| JTEKT Corporation | 2580 |
7 |
| Vitesco Technologies GmbH | 2398 |
7 |
| Fujitsu General Limited | 590 |
6 |
| Pierburg Pump Technology GmbH | 334 |
6 |
| Saudi Arabian Oil Company | 14207 |
6 |
| Pratt & Whitney Canada Corp. | 5472 |
5 |
| GM Global Technology Operations LLC | 16106 |
5 |
| ColorMatrix Holdings, Inc. | 125 |
5 |
| Other owners | 390 |