Patent holdings for IPC class F26B 3/347

Total number of patents in this class: 342

10-year publication summary

28
33
22
30
33
30
19
20
23
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
EnWave Corporation
72
27
Corning Incorporated
10504
18
Whirlpool Corporation
4643
18
NGK Insulators, Ltd.
5236
10
LG Electronics Inc.
75694
9
Ricoh Company, Ltd.
13342
9
Seiko Epson Corporation
20256
6
Panasonic Intellectual Property Management Co., Ltd.
33997
4
LG Energy Solution, Ltd.
18906
4
Wealth & Research Trading Ltd.
7
4
Samsung Electronics Co., Ltd.
157719
3
Boston Scientific Scimed, Inc.
11151
3
Sumitomo Chemical Company, Limited
9016
3
Dry Grain LLC
3
3
Durr Systems, Inc.
105
3
International Research Institute, Inc.
5
3
Korea Railroad Research Institute
185
3
Nisshin Seifun Group Inc.
259
3
Novelis Inc.
779
3
PIOVAN S.p.A.
47
3
Other owners 203