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