- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/16 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
Patent holdings for IPC class F01C 1/16
Total number of patents in this class: 120
10-year publication summary
|
18
|
11
|
10
|
8
|
7
|
5
|
8
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 3965 |
9 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1524 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1065 |
8 |
| Kobe Steel, Ltd. | 897 |
7 |
| City University | 35 |
6 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2833 |
5 |
| Eaton Intelligent Power Limited | 6193 |
4 |
| ITT Bornemann GmbH | 25 |
3 |
| Trane International Inc. | 1221 |
3 |
| CIRCOR Pumps North America, LLC | 36 |
3 |
| Johnson Controls Tyco IP Holdings LLP | 377 |
3 |
| Eaton Corporation | 1806 |
2 |
| GM Global Technology Operations LLC | 15918 |
2 |
| Daikin Industries, Ltd. | 10398 |
2 |
| Bitzer Kuehlmaschinenbau GmbH | 156 |
2 |
| Epicam Limited | 4 |
2 |
| Fu Sheng Industrial Co., Ltd. | 18 |
2 |
| Gpouer Co., Ltd. | 4 |
2 |
| Hansen Engine Corporation | 10 |
2 |
| Liung Feng Industrial Co., Ltd. | 5 |
2 |
| Other owners | 42 |