- 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 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
Patent holdings for IPC class F04C 11/00
Total number of patents in this class: 515
10-year publication summary
|
51
|
50
|
53
|
62
|
40
|
41
|
38
|
39
|
25
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
29 |
| Project Phoenix, LLC | 52 |
23 |
| Hamilton Sundstrand Corporation | 4525 |
12 |
| Mikuni Corporation | 332 |
10 |
| LG Electronics Inc. | 69257 |
8 |
| Denso Corporation | 23338 |
8 |
| JTEKT Corporation | 2423 |
8 |
| Aisin AW Co., Ltd. | 2430 |
7 |
| Nordson Corporation | 1246 |
7 |
| Vitesco Technologies GmbH | 2372 |
7 |
| Hanon Systems EFP Deutschland GmbH | 79 |
7 |
| Hitachi Astemo, Ltd. | 5618 |
7 |
| ColorMatrix Holdings, Inc. | 120 |
6 |
| Fujitsu General Limited | 541 |
6 |
| Nidec Tosok Corporation | 213 |
6 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Stackpole International Engineered Products, Ltd. | 46 |
6 |
| GM Global Technology Operations LLC | 13620 |
5 |
| Daikin Industries, Ltd. | 9495 |
5 |
| ITT Bornemann GmbH | 23 |
5 |
| Other owners | 337 |