- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 53/16 - Casings; Cylinders; Cylinder liners or heads; Fluid connections
Patent holdings for IPC class F04B 53/16
Total number of patents in this class: 1714
10-year publication summary
130
|
234
|
223
|
195
|
165
|
164
|
190
|
182
|
142
|
56
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
125 |
SPM Oil & Gas Inc. | 304 |
67 |
Graco Minnesota Inc. | 1124 |
65 |
Kerr Machine Co. | 98 |
54 |
GD Energy Products, LLC | 78 |
37 |
Caterpillar Inc. | 8877 |
30 |
LG Electronics Inc. | 69257 |
29 |
Denso Corporation | 23338 |
23 |
DEKA Products Limited Partnership | 1640 |
23 |
Halliburton Energy Services, Inc. | 20165 |
20 |
Hitachi Astemo, Ltd. | 5618 |
17 |
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
16 |
Continental Automotive GmbH | 5573 |
15 |
S.P.M. Flow Control, Inc. | 101 |
14 |
Forum US, Inc. | 315 |
13 |
Vitesco Technologies GmbH | 2372 |
13 |
National Oilwell Varco, L.P. | 1604 |
11 |
Delphi Technologies IP Limited | 1081 |
11 |
Fluid Metering, Inc. | 38 |
10 |
Microjet Technology Co., Ltd. | 344 |
9 |
Other owners | 1112 |