- 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 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
Patent holdings for IPC class F04C 15/00
Total number of patents in this class: 1956
10-year publication summary
|
196
|
201
|
229
|
173
|
167
|
134
|
154
|
116
|
107
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41695 |
94 |
| KYB Corporation | 1322 |
38 |
| Nidec Tosok Corporation | 206 |
38 |
| Hamilton Sundstrand Corporation | 4712 |
36 |
| LG Electronics Inc. | 70831 |
34 |
| Denso Corporation | 23692 |
33 |
| Hitachi Astemo, Ltd. | 6034 |
32 |
| Project Phoenix, LLC | 52 |
31 |
| Schwabische Huttenwerke Automotive GmbH | 66 |
30 |
| NETZSCH Pumpen & Systeme GmbH | 95 |
23 |
| Hanon Systems EFP Deutschland GmbH | 86 |
22 |
| Daikin Industries, Ltd. | 9766 |
19 |
| Aisin Seiki Kabushiki Kaisha | 2291 |
18 |
| Heishin Ltd. | 83 |
17 |
| Stackpole International Engineered Products, Ltd. | 48 |
17 |
| Vitesco Technologies GmbH | 2481 |
17 |
| LG Innotek Co., Ltd. | 7203 |
16 |
| Mikuni Corporation | 330 |
16 |
| CIRCOR Pumps North America, LLC | 32 |
16 |
| Danfoss A/S | 1305 |
16 |
| Other owners | 1393 |