- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/00 - Rotary-piston machines or engines
Patent holdings for IPC class F01C 1/00
Total number of patents in this class: 83
10-year publication summary
|
7
|
8
|
5
|
6
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4
|
5
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4
|
2
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1
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5223 |
8 |
| Atlas Copco Airpower, naamloze vennootschap | 1063 |
3 |
| LiquidPiston, Inc. | 51 |
3 |
| Hamilton Sundstrand Corporation | 5017 |
2 |
| 1564330 Ontario Inc. | 11 |
2 |
| Fibonacci International, Inc. | 4 |
2 |
| Quest Engines, LLC | 31 |
2 |
| CAIRE Inc. | 76 |
2 |
| Hitachi Astemo, Ltd. | 6409 |
2 |
| Schlumberger Technology Corporation | 11483 |
1 |
| Illinois Tool Works Inc. | 11735 |
1 |
| Robert Bosch GmbH | 43587 |
1 |
| GM Global Technology Operations LLC | 15817 |
1 |
| Ford Global Technologies, LLC | 21274 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2837 |
1 |
| Carrier Corporation | 3964 |
1 |
| Toyota Industries Corporation | 1191 |
1 |
| University of Florida Research Foundation, Inc. | 4144 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 756 |
1 |
| Beijing Rostar Technology Co. Ltd | 15 |
1 |
| Other owners | 46 |