Patent holdings for IPC class F26B 3/347

Total number of patents in this class: 335

10-year publication summary

21
27
31
22
28
29
27
18
18
21
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
EnWave Corporation
73
26
Corning Incorporated
10389
18
Whirlpool Corporation
4481
18
NGK Insulators, Ltd.
5149
10
LG Electronics Inc.
73884
9
Ricoh Company, Ltd.
13370
9
Seiko Epson Corporation
19708
6
Dry Grain LLC
4
4
Drymax Ddg LLC
6
4
LG Energy Solution, Ltd.
16089
4
Wealth & Research Trading Ltd.
7
4
Boston Scientific Scimed, Inc.
10549
3
Panasonic Intellectual Property Management Co., Ltd.
32551
3
Sumitomo Chemical Company, Limited
9105
3
International Research Institute, Inc.
5
3
Korea Railroad Research Institute
180
3
Novelis Inc.
771
3
PIOVAN S.p.A.
42
3
Saint-Gobain Isover
626
3
Singnergy Corporation Pte Ltd
10
3
Other owners 196