Patent holdings for IPC class G01N 33/38

Total number of patents in this class: 1267

10-year publication summary

103
93
109
107
106
106
95
95
85
47
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21309
62
QuipIP, LLC
60
34
Corning Incorporated
10504
31
Giatec Scientific Inc.
46
25
Gemological Institute of America, Inc. (gia)
87
18
Command Alkon Incorporated
59
17
Saudi Arabian Oil Company
14305
15
Nippon Telegraph and Telephone Corporation
15939
14
SCHOTT AG
1748
12
Qingdao University of Technology
645
12
GCP Applied Technologies Inc.
472
11
Verifi LLC
65
11
Owens-Brockway Glass Container Inc.
799
10
Troxler Electronic Laboratories, Inc.
66
10
CiDRA Concrete Systems Inc.
16
10
Husqvarna AB
3035
8
Schlumberger Technology Corporation
11879
7
Hilti Aktiengesellschaft
3701
7
University of South Florida
1903
7
ThyssenKrupp AG
3353
7
Other owners 939