Patent holdings for IPC class F04B 9/02

Total number of patents in this class: 355

10-year publication summary

18
34
36
45
34
41
42
33
24
6
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

Principal owners for this class

Owner
All patents
This class
SPM Oil & Gas Inc.
230
15
Robert Bosch GmbH
40162
13
Graco Minnesota Inc.
1080
11
National Oilwell Varco, L.P.
1556
9
Fluid Metering, Inc.
32
8
Insulet Corporation
486
7
Schlumberger Technology Corporation
9212
5
Agilent Technologies, Inc.
2781
5
Enfield Engine Company, LLC
8
5
GEA Mechanical Equipment Italia S.p.A.
40
5
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
241
5
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC)
146
5
Halliburton Energy Services, Inc.
19720
4
A.C. Dispensing Equipment, Inc.
40
4
Fresenius Medical Care Holdings, Inc.
1303
4
Oxford NanoPore Technologies Limited
309
4
Quantum Servo Pumping Technologies Pty Ltd
14
4
Koninklijke Philips N.V.
22521
3
Continental Automotive GmbH
5866
3
Nikkiso Co., Ltd.
686
3
Other owners 233