Patent holdings for IPC class B04C 3/00

Total number of patents in this class: 278

10-year publication summary

20
25
40
22
21
18
16
21
20
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Omachron Intellectual Property Inc.
953
26
General Electric Company
13819
15
Hamilton Sundstrand Corporation
5014
6
FMC Separation Systems, BV
27
6
GM Innovations Limited
17
6
Twister B.V.
38
6
Uop LLC
4307
5
Panasonic Intellectual Property Management Co., Ltd.
33462
4
Japan Cooperation Center, Petroleum
39
4
MANN+HUMMEL GmbH
1797
4
Nippon Oil Corporation
200
4
Enercorp Engineered Solutions Inc.
51
4
Mitsubishi Electric Corporation
47556
3
FMC Technologies, Inc.
605
3
Mott Corporation
78
3
Pall Corporation
343
3
Usui Co., Ltd.
122
3
Mueller IP, LLC
5
3
Noetix Pharma LLC
6
3
Seiko Epson Corporation
19988
2
Other owners 165