Patent holdings for IPC class E21B 47/0232

Total number of patents in this class: 35

10-year publication summary

6
3
3
5
7
8
2
2
1
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Merlin Technology, Inc.
161
8
Halliburton Energy Services, Inc.
20862
5
The Charles Machine Works, Inc.
406
5
Applied Technologies Associates, Inc.
12
4
Underground Magnetics, Inc.
37
3
ConocoPhillips Company
1676
2
Baker Hughes Oilfield Operations, LLC
2289
2
Baker Hughes Incorporated
5273
1
National Central University
238
1
Scientific Drilling International, Inc.
168
1
Tracto-Technik GmbH & Co. KG
170
1
GE Infrastructure Technology, LLC
6212
1
UTTO, Inc., DBA IPEG Corporation
16
1
Other owners 0