Patent holdings for IPC class F01C 1/356

Total number of patents in this class: 62

10-year publication summary

6
3
4
4
6
1
4
0
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
19909
16
Greystone Technologies Pty Ltd
10
4
LiquidPiston, Inc.
50
4
Daikin Industries, Ltd.
10200
3
WB Development Company, LLC
20
3
Circle Engine Co
2
2
Robert Bosch GmbH
43187
1
The United States of America as represented by the Secretary of the Navy
2804
1
Weatherford Technology Holdings, LLC
2033
1
Beijing Rostar Technology Co. Ltd
15
1
Customachinery Inc.
8
1
Fluid Control Products, Inc.
4
1
GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai
164
1
International Engine Intellectual Property Company, LLC
471
1
Liftra ApS
6
1
Mair's - Drehscheibenmotor, Inc.
1
1
Map Energy SpA
1
1
Quantex Patents Limited
11
1
REGI U.S., Inc.
6
1
Safran Landing Systems Canada Inc. / Safran Systemes D'atterrissage Canada Inc.
102
1
Other owners 16