Patent holdings for IPC class H05H 1/28

Total number of patents in this class: 277

10-year publication summary

27
27
27
17
22
23
17
21
15
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hypertherm, Inc.
549
65
The ESAB Group, Inc.
326
15
Lincoln Global, Inc.
2159
15
Kjellberg-stiftung
57
10
Oerlikon Metco (US) Inc.
207
10
Komatsu Industries Corporation
171
8
Kjellberg Finsterwalde Plasma und Maschinen GmbH
22
8
Elemental Scientific, Inc.
268
6
Tekna Plasma Systems Inc.
69
6
Pyrogenesis Canada, Inc.
66
5
Thermacut, k.s.
27
5
Applied Materials, Inc.
18322
4
Korea Hydro & Nuclear Power Co., Ltd.
434
4
Victor Equipment Company
295
4
AquaSource Technologies Corporation
21
3
Linde Aktiengesellschaft
1534
3
MUEGGE GmbH
32
3
Plasma Surgical, Inc.
23
3
LG Electronics Inc.
71880
2
Tokyo Electron Limited
12340
2
Other owners 96