Patent holdings for IPC class F42D 1/04

Total number of patents in this class: 318

10-year publication summary

21
28
27
31
33
33
28
16
21
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Detnet South Africa (Pty) Ltd
245
47
DYNAenergetics Europe GmbH
247
42
Hunting Titan, Inc.
247
23
Hanwha Corporation
297
13
Halliburton Energy Services, Inc.
20911
11
Ensign-Bickford Aerospace & Defense Company
85
9
Dyno Nobel Inc.
168
8
Orica International Pte Ltd
183
8
The United States of America as represented by the Secretary of the Navy
2753
6
MAS Zengrange (NZ) Limited
23
6
Triad National Security, LLC
608
6
Schlumberger Technology Corporation
10780
5
Owen Oil Tools LP
91
5
River Front Services, Inc.
17
5
Geodynamics, Inc.
193
4
NOK Corporation
2222
4
Oy Forcit AB
7
4
Vale S.A.
272
4
Wells Fargo Bank, National Association
3873
4
Normet Oy
46
4
Other owners 100