Patent holdings for IPC class G01N 30/30

Total number of patents in this class: 448

10-year publication summary

35
46
39
44
48
40
30
19
33
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Waters Technologies Corporation
1773
71
Shimadzu Corporation
6303
70
Agilent Technologies, Inc.
2641
23
Dow Global Technologies LLC
10744
10
Leco Corporation
200
9
Supercritical Fluid Technologies, Inc.
18
9
PerkinElmer U.S. LLC
277
9
Tricorntech Corporation
31
7
Valco Instruments Company, Inc.
46
6
ExxonMobil Research And Engineering Company
2475
5
Nuctech Company Limited
1438
5
Rosemount Inc.
1167
5
MLS Acq, Inc d/b/a Max Analytical Technology
37
5
Thermo Finnigan LLC
644
4
ABB Schweiz AG
7403
4
Cornell University
3378
4
PerkinElmer Health Sciences, Inc.
202
4
Separation Systems, Inc.
7
4
Silcotek Corp.
70
4
Thermo Fisher Scientific (Bremen) GmbH
612
4
Other owners 186