Patent holdings for IPC class F04B 49/02

Total number of patents in this class: 660

10-year publication summary

64
64
47
63
61
46
42
45
38
27
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hitachi Industrial Equipment Systems Co., Ltd.
1561
23
LG Electronics Inc.
76299
17
Copeland LP
716
11
Robert Bosch GmbH
44398
10
Atlas Copco Airpower, naamloze vennootschap
1085
10
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
492
10
Halliburton Energy Services, Inc.
21296
9
Graco Minnesota Inc.
1290
9
DEKA Products Limited Partnership
1922
7
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC)
236
7
Denso Corporation
25820
6
Murata Manufacturing Co., Ltd.
25998
6
Max Co., Ltd.
873
6
Sandvik Intellectual Property AB
1388
6
Honda Motor Co., Ltd.
26657
5
Mitsubishi Electric Corporation
48460
5
Hyundai Motor Company
25119
5
Black & Decker, Inc.
2490
5
FNA Group, Inc.
154
5
GREE Electric Appliances, Inc. of Zhuhai
3327
5
Other owners 493