- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 53/14 - Pistons, piston-rods or piston-rod connections
Patent holdings for IPC class F04B 53/14
Total number of patents in this class: 1291
10-year publication summary
|
211
|
143
|
114
|
114
|
126
|
102
|
100
|
97
|
87
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43631 |
86 |
| Graco Minnesota Inc. | 1255 |
84 |
| LG Electronics Inc. | 75045 |
33 |
| Kerr Machine Co. | 167 |
33 |
| SPM Oil & Gas Inc. | 348 |
29 |
| Caterpillar Inc. | 10151 |
20 |
| Halliburton Energy Services, Inc. | 21217 |
17 |
| Denso Corporation | 25232 |
16 |
| Haier US Appliance Solutions, Inc. | 3972 |
16 |
| Forum US, Inc. | 345 |
10 |
| Nuovo Pignone Tecnologie S.r.l. | 1151 |
10 |
| Schlumberger Technology Corporation | 11485 |
9 |
| Burckhardt Compression AG | 124 |
9 |
| Fluid Metering, Inc. | 64 |
9 |
| Hitachi Astemo, Ltd. | 6409 |
9 |
| Agilent Technologies, Inc. | 2644 |
8 |
| Schaeffler Technologies AG & Co. KG | 10725 |
8 |
| National Oilwell Varco, L.P. | 1690 |
8 |
| Tandem Diabetes Care, Inc. | 479 |
8 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 467 |
8 |
| Other owners | 861 |