Patent holdings for IPC class G01N 30/66

Total number of patents in this class: 93

10-year publication summary

8
10
10
9
7
1
7
3
5
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Shimadzu Corporation
6252
18
Siemens AG
24304
6
Commissariat à l'énergie atomique et aux energies alternatives
10970
6
Gas Chromatography Systems Maxum GmbH
19
6
LG Chem, Ltd.
17702
3
Rosemount Inc.
1198
3
Honeywell International Inc.
13536
2
ABB Schweiz AG
7240
2
Apix Analytics
18
2
Aqua Bank CO., LTD.
17
2
Cambridge Enterprise Limited
1207
2
Thermo Fisher Scientific S.p.A.
26
2
PerkinElmer U.S. LLC
280
2
Schlumberger Canada Limited
7460
1
Schlumberger Technology B.v.
5228
1
Schlumberger Holdings Limited
2769
1
Rohm and Haas Company
2939
1
Siemens Industry, Inc.
1564
1
China Tobacco Yunnan Industrial Co., Ltd.
262
1
Consiglio Nazionale delle Ricerche
554
1
Other owners 30