Patent holdings for IPC class G01N 25/28

Total number of patents in this class: 22

10-year publication summary

2
1
3
1
4
4
0
1
0
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
China University of Petroleum (East China)
365
2
Precision Combustion, Inc.
104
2
The Boeing Company
19980
1
GM Global Technology Operations LLC
14834
1
Hyundai Motor Company
21451
1
Kia Motors Corporation
7763
1
Air Products and Chemicals, Inc.
1400
1
Anton Paar ProveTec GmbH
12
1
Berkin B.V.
95
1
Control Instruments Corporation
7
1
Edwards Limited
788
1
Rosemount Inc.
1199
1
Baker Hughes Oilfield Operations, LLC
2252
1
Seoul National University R&db Foundation
3485
1
Dansk Brand- og sikringsteknisk Institut
5
1
Suez Treatment Solitions Canada L.P.
1
1
Multicore Technologies, LLC
1
1
LG Energy Solution, Ltd.
14258
1
Guangdong South China Intelligent Pipeline Research Institute
3
1
Pipechina South China Company
3
1
Other owners 0