- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 23/02 - Pumping installations or systems having reservoirs
Patent holdings for IPC class F04B 23/02
Total number of patents in this class: 648
10-year publication summary
|
45
|
62
|
92
|
104
|
94
|
68
|
69
|
80
|
59
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1124 |
34 |
| Caterpillar Inc. | 8877 |
15 |
| GOJO Industries, Inc. | 891 |
15 |
| Op-hygiene IP GmbH | 199 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
12 |
| Robert Bosch GmbH | 40953 |
10 |
| PENTAIR Flow Technologies, LLC | 167 |
8 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
7 |
| Vermeer Manufacturing Company | 615 |
7 |
| Pioneer Pet Products, LLC | 134 |
6 |
| Vitesco Technologies USA, LLC. | 380 |
6 |
| Sanofi-Aventis Deutschland GmbH | 2738 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Franklin Electric Co., Inc. | 217 |
5 |
| Xylem Europe GmbH | 204 |
5 |
| Koninklijke Philips N.V. | 22975 |
4 |
| DEKA Products Limited Partnership | 1640 |
4 |
| HYDAC Fluidtechnik GmbH | 130 |
4 |
| Insulet Corporation | 736 |
4 |
| Ventup GmbH | 6 |
4 |
| Other owners | 475 |