- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/12 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
Patent holdings for IPC class F04C 2/12
Total number of patents in this class: 147
10-year publication summary
|
10
|
14
|
15
|
12
|
16
|
11
|
6
|
10
|
7
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hugo Vogelsang Maschinenbau GmbH | 59 |
10 |
| Hamilton Sundstrand Corporation | 5018 |
8 |
| NETZSCH Pumpen & Systeme GmbH | 108 |
8 |
| Alfa Laval Corporate AB | 1331 |
6 |
| Robert Bosch GmbH | 43631 |
5 |
| Vogelsang GmbH & Co. KG | 61 |
5 |
| Toyota Industries Corporation | 1193 |
4 |
| Bricks Group, LLC | 21 |
4 |
| Bosch Pouch Systems AG | 20 |
3 |
| Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg | 231 |
3 |
| Ampco Pumps Company | 3 |
2 |
| Busch Produktions GmbH | 16 |
2 |
| CASAPPA S.p.A. | 25 |
2 |
| Chilldyne, Inc. | 14 |
2 |
| Danfoss Power Solutions GmbH & Co. OHG | 72 |
2 |
| Edwards Limited | 778 |
2 |
| Energreen AS | 9 |
2 |
| GKN Sinter Metals Engineering GmbH | 115 |
2 |
| G.p.s. Green Power Solution SA | 2 |
2 |
| Jiangnan University | 1594 |
2 |
| Other owners | 71 |