- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
Patent holdings for IPC class F04B 53/16
Total number of patents in this class: 2123
10-year publication summary
|
223
|
195
|
165
|
166
|
195
|
192
|
167
|
172
|
181
|
128
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44291 |
134 |
| Kerr Machine Co. | 180 |
106 |
| Graco Minnesota Inc. | 1286 |
82 |
| GD Energy Products, LLC | 140 |
78 |
| SPM Oil & Gas Inc. | 360 |
77 |
| Caterpillar Inc. | 10302 |
43 |
| LG Electronics Inc. | 75973 |
30 |
| Halliburton Energy Services, Inc. | 21284 |
24 |
| Denso Corporation | 25717 |
23 |
| DEKA Products Limited Partnership | 1906 |
23 |
| Forum US, Inc. | 349 |
20 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 478 |
19 |
| Vulcan Industrial Holdings LLC | 87 |
19 |
| Hitachi Astemo, Ltd. | 6427 |
17 |
| National Oilwell Varco, L.P. | 1700 |
15 |
| S.P.M. Flow Control, Inc. | 99 |
14 |
| Continental Automotive GmbH | 4459 |
13 |
| Vitesco Technologies GmbH | 2395 |
13 |
| PHINIA Jersey Holdings LLC | 371 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4132 |
12 |
| Other owners | 1348 |