- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 20/28 - Safety arrangementsMonitoring
Patent holdings for IPC class F01C 20/28
Total number of patents in this class: 30
10-year publication summary
|
1
|
5
|
3
|
1
|
2
|
6
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABB Schweiz AG | 7009 |
6 |
| Abaco Drilling Technologies LLC | 40 |
6 |
| Pratt & Whitney Canada Corp. | 4804 |
3 |
| Sanden Corporation | 965 |
2 |
| Copeland LP | 701 |
2 |
| Schlumberger Canada Limited | 7350 |
1 |
| Schlumberger Technology B.v. | 5181 |
1 |
| Schlumberger Holdings Limited | 2813 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 1035 |
1 |
| Istanbul Teknik Universitesi | 171 |
1 |
| Prad Research and Development Limited | 2692 |
1 |
| Sanden Holdings Corporation | 208 |
1 |
| Services Petroliers Schlumberger | 5817 |
1 |
| Kabushiki Kaisha Toyota Jidoshokki | 1760 |
1 |
| National Chung-Shan Institute of Science and Techn | 1 |
1 |
| Mitos Mikrodalga Goruntuleme Sistemleri Muhendislik Sanayi ve Ticaret Limited Sirketi | 3 |
1 |
| Other owners | 0 |