- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/344 - Rotary-piston machines or engines having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
Patent holdings for IPC class F01C 1/344
Total number of patents in this class: 140
10-year publication summary
18
|
22
|
23
|
18
|
16
|
25
|
10
|
4
|
5
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Exdl Co., Ltd. | 12 |
8 |
Pratt & Whitney Canada Corp. | 4745 |
6 |
Korona Group Ltd. | 7 |
6 |
Tocircle Industries AS | 12 |
5 |
ING. ENEA MATTEI S.p.A. | 16 |
4 |
LiquidPiston, Inc. | 49 |
4 |
Mathers Hydraulics Technologies Pty Ltd | 20 |
4 |
Nitto Kohki Co., Ltd. | 267 |
4 |
REGI U.S., Inc. | 6 |
4 |
Amorphic Tech Ltd. | 6 |
3 |
Evox Therapeutics Ltd. | 70 |
3 |
Fibonacci International, Inc. | 4 |
3 |
Graco Minnesota Inc. | 1195 |
3 |
The United States of America as represented by the Secretary of the Navy | 2745 |
2 |
1564330 Ontario Inc. | 12 |
2 |
Atlas Copco Industrial Technique AB | 474 |
2 |
Goodrich Corporation | 2129 |
2 |
J.D. Neuhaus Holding GmbH & Co. KG | 14 |
2 |
Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd. | 5 |
2 |
SNAP-ON Incorporated | 1429 |
2 |
Other owners | 69 |