- 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: 595
10-year publication summary
|
134
|
113
|
65
|
46
|
37
|
52
|
38
|
53
|
38
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1281 |
51 |
| SPM Oil & Gas Inc. | 360 |
34 |
| Kerr Machine Co. | 176 |
30 |
| GD Energy Products, LLC | 139 |
22 |
| US Well Services LLC | 225 |
20 |
| Denso Corporation | 25579 |
17 |
| Robert Bosch GmbH | 44176 |
15 |
| Caterpillar Inc. | 10281 |
15 |
| LG Electronics Inc. | 75818 |
10 |
| Op-hygiene IP GmbH | 222 |
9 |
| Thermedical, Inc. | 42 |
9 |
| Typhon Technology Solutions (U.S.), LLC | 105 |
8 |
| Medtronic MiniMed, Inc. | 1790 |
7 |
| Weatherford Technology Holdings, LLC | 2158 |
7 |
| S.P.M. Flow Control, Inc. | 99 |
7 |
| PHINIA Jersey Holdings LLC | 372 |
7 |
| Phinia Holdings Jersey Ltd | 299 |
7 |
| Fluid Metering, Inc. | 72 |
6 |
| Insulet Corporation | 940 |
6 |
| Water Pik, Inc. | 578 |
6 |
| Other owners | 302 |