- 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: 1872
10-year publication summary
|
197
|
196
|
201
|
229
|
173
|
167
|
131
|
147
|
102
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
95 |
| Nidec Tosok Corporation | 213 |
37 |
| Hamilton Sundstrand Corporation | 4525 |
35 |
| LG Electronics Inc. | 69257 |
33 |
| KYB Corporation | 1278 |
33 |
| Denso Corporation | 23338 |
32 |
| Project Phoenix, LLC | 52 |
31 |
| Hitachi Astemo, Ltd. | 5618 |
31 |
| Schwabische Huttenwerke Automotive GmbH | 68 |
27 |
| NETZSCH Pumpen & Systeme GmbH | 93 |
23 |
| Hanon Systems EFP Deutschland GmbH | 79 |
20 |
| Daikin Industries, Ltd. | 9495 |
19 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
18 |
| Heishin Ltd. | 81 |
17 |
| Vitesco Technologies GmbH | 2372 |
17 |
| LG Innotek Co., Ltd. | 6758 |
16 |
| Nidec Corporation | 2579 |
16 |
| Stackpole International Engineered Products, Ltd. | 46 |
16 |
| Danfoss A/S | 1259 |
16 |
| NTN Corporation | 5008 |
15 |
| Other owners | 1325 |