- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F15B - Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details of fluid-pressure systems, not otherwise provided for
- F15B 11/00 - Servomotor systems without provision for follow-up action
Patent holdings for IPC class F15B 11/00
Total number of patents in this class: 677
10-year publication summary
46
|
54
|
52
|
53
|
60
|
54
|
34
|
24
|
27
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi Construction Machinery Co., Ltd. | 2498 |
87 |
KYB Corporation | 1278 |
54 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
48 |
Kayaba Industry Co., Ltd. | 376 |
32 |
Komatsu Ltd. | 4265 |
19 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
17 |
Danfoss A/S | 1259 |
17 |
Kubota Corporation | 3054 |
15 |
Caterpillar Inc. | 8877 |
14 |
Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 245 |
13 |
SMC Corporation | 1354 |
12 |
Yanmar Co., Ltd. | 1479 |
12 |
Nabtesco Corporation | 871 |
10 |
Sumitomo Heavy Industries, Ltd. | 1670 |
10 |
Volvo Construction Equipment AB | 1172 |
10 |
Festo SE & Co. KG | 349 |
10 |
Festo AG & Co. KG | 313 |
9 |
Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
9 |
Robert Bosch GmbH | 40953 |
7 |
Shimadzu Corporation | 5791 |
7 |
Other owners | 265 |