Patent holdings for IPC class G01N 30/30

Total number of patents in this class: 429

10-year publication summary

36
35
46
39
44
48
40
29
19
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shimadzu Corporation
6187
69
Waters Technologies Corporation
1701
68
Agilent Technologies, Inc.
2637
21
Dow Global Technologies LLC
10394
10
PerkinElmer U.S. LLC
290
10
Leco Corporation
202
9
Supercritical Fluid Technologies, Inc.
16
8
Tricorntech Corporation
31
7
Valco Instruments Company, Inc.
41
6
ExxonMobil Research And Engineering Company
2564
5
Nuctech Company Limited
1422
5
Separation Systems, Inc.
9
5
MLS Acq, Inc d/b/a Max Analytical Technology
37
5
Hitachi High-Tech Science Corporation
286
4
Thermo Finnigan LLC
637
4
Cornell University
3322
4
PerkinElmer Health Sciences, Inc.
214
4
Rosemount Inc.
1191
4
Thermo Fisher Scientific (Bremen) GmbH
590
4
CEM Corporation, Lucidity Division
8
4
Other owners 173