- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/06 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of other than internal-axis type
Patent holdings for IPC class F04C 18/06
Total number of patents in this class: 7
10-year publication summary
|
2
|
1
|
1
|
2
|
0
|
1
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 4759 |
1 |
| Toyota Industries Corporation | 1010 |
1 |
| Bitzer Kühlmaschinenbau GmbH | 176 |
1 |
| Danfoss Commercial Compressors | 88 |
1 |
| Pierburg Pump Technology GmbH | 305 |
1 |
| Gert-Willem Hartmans | 1 |
1 |
| Ingersoll-Rand Industrial U.S., Inc. | 498 |
1 |
| Other owners | 0 |