- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-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: 1961
10-year publication summary
|
196
|
201
|
229
|
173
|
168
|
134
|
155
|
116
|
106
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42596 |
94 |
| KYB Corporation | 1353 |
38 |
| Nidec Tosok Corporation | 206 |
38 |
| Hamilton Sundstrand Corporation | 4836 |
37 |
| LG Electronics Inc. | 72675 |
35 |
| Denso Corporation | 24190 |
33 |
| Hitachi Astemo, Ltd. | 6382 |
32 |
| Project Phoenix, LLC | 53 |
31 |
| Schwabische Huttenwerke Automotive GmbH | 66 |
30 |
| NETZSCH Pumpen & Systeme GmbH | 98 |
24 |
| Hanon Systems EFP Deutschland GmbH | 91 |
22 |
| LG Innotek Co., Ltd. | 7571 |
19 |
| Daikin Industries, Ltd. | 9977 |
19 |
| Aisin Seiki Kabushiki Kaisha | 2242 |
18 |
| GHSP, Inc. | 130 |
17 |
| Heishin Ltd. | 91 |
17 |
| CIRCOR Pumps North America, LLC | 34 |
17 |
| Vitesco Technologies GmbH | 2601 |
17 |
| Schaeffler Technologies AG & Co. KG | 9802 |
16 |
| Mikuni Corporation | 345 |
16 |
| Other owners | 1391 |