- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 19/22 - Other positive-displacement pumps of reciprocating-piston type
Patent holdings for IPC class F04B 19/22
Total number of patents in this class: 568
10-year publication summary
|
120
|
133
|
112
|
63
|
46
|
35
|
50
|
37
|
46
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1225 |
51 |
| SPM Oil & Gas Inc. | 337 |
33 |
| Kerr Machine Co. | 157 |
29 |
| US Well Services LLC | 228 |
20 |
| Denso Corporation | 24783 |
17 |
| GD Energy Products, LLC | 120 |
16 |
| Robert Bosch GmbH | 43063 |
15 |
| Caterpillar Inc. | 9768 |
15 |
| LG Electronics Inc. | 73772 |
10 |
| Thermedical, Inc. | 42 |
9 |
| Op-hygiene IP GmbH | 210 |
8 |
| Typhon Technology Solutions (U.S.), LLC | 99 |
8 |
| Medtronic MiniMed, Inc. | 1786 |
7 |
| Weatherford Technology Holdings, LLC | 2033 |
7 |
| S.P.M. Flow Control, Inc. | 99 |
7 |
| PHINIA Jersey Holdings LLC | 365 |
7 |
| Phinia Holdings Jersey Ltd | 310 |
7 |
| Cummins Inc. | 2629 |
6 |
| Fluid Metering, Inc. | 56 |
6 |
| Water Pik, Inc. | 587 |
6 |
| Other owners | 284 |