Patent holdings for IPC class F26B 3/347

Total number of patents in this class: 328

10-year publication summary

22
28
33
22
30
33
30
18
19
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
EnWave Corporation
74
26
Corning Incorporated
10240
18
Whirlpool Corporation
4387
18
NGK Insulators, Ltd.
4920
10
LG Electronics Inc.
72473
9
Ricoh Company, Ltd.
13208
9
Seiko Epson Corporation
19269
5
Dry Grain LLC
4
4
Drymax Ddg LLC
6
4
Wealth & Research Trading Ltd.
7
4
Boston Scientific Scimed, Inc.
10126
3
Panasonic Intellectual Property Management Co., Ltd.
30967
3
Sumitomo Chemical Company, Limited
9009
3
International Research Institute, Inc.
5
3
Korea Railroad Research Institute
177
3
Novelis Inc.
735
3
Saint-Gobain Isover
630
3
Singnergy Corporation Pte Ltd
10
3
Joseph P. Triglia, Jr.
3
3
Beautyge I
30
3
Other owners 191