- 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 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Patent holdings for IPC class F04C 15/06
Total number of patents in this class: 526
10-year publication summary
81
|
74
|
91
|
79
|
60
|
49
|
34
|
36
|
29
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi Astemo, Ltd. | 5618 |
28 |
KYB Corporation | 1278 |
22 |
Robert Bosch GmbH | 40953 |
19 |
Denso Corporation | 23338 |
18 |
LG Electronics Inc. | 69257 |
16 |
Nidec Tosok Corporation | 213 |
16 |
Mikuni Corporation | 332 |
14 |
Aisin AW Co., Ltd. | 2430 |
10 |
Project Phoenix, LLC | 52 |
9 |
Schwabische Huttenwerke Automotive GmbH | 68 |
9 |
JTEKT Corporation | 2423 |
8 |
Nidec Corporation | 2579 |
8 |
Hitachi Automotive Systems, Ltd. | 3970 |
7 |
Hamilton Sundstrand Corporation | 4525 |
7 |
Stackpole International Engineered Products, Ltd. | 46 |
7 |
NETZSCH Pumpen & Systeme GmbH | 93 |
6 |
Vitesco Technologies GmbH | 2372 |
6 |
Daikin Industries, Ltd. | 9495 |
5 |
Aisin Seiki Kabushiki Kaisha | 2427 |
5 |
Leistritz Pumpen GmbH | 22 |
5 |
Other owners | 301 |