- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 3/64 - Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
Patent holdings for IPC class H05B 3/64
Total number of patents in this class: 43
10-year publication summary
1
|
2
|
1
|
7
|
4
|
3
|
4
|
4
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Agc, Inc. | 4029 |
4 |
Sandvik Intellectual Property AB | 1634 |
3 |
RJR Technologies, Inc. | 8 |
3 |
Philergos Group Foundation | 12 |
2 |
Illinois Tool Works Inc. | 11152 |
1 |
LG Electronics Inc. | 69257 |
1 |
Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
Hitachi Kokusai Electric Inc. | 1070 |
1 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
NGK Insulators, Ltd. | 4589 |
1 |
Ibiden Co., Ltd. | 1724 |
1 |
C.A. Litzler Co. Inc. | 4 |
1 |
Ebner Industrieofenbau GmbH | 132 |
1 |
Forschungszentrum Julich GmbH | 604 |
1 |
The Government of the United States of America, as represented by the Secretary of the Navy | 1102 |
1 |
IHI Corporation | 3268 |
1 |
IHI Machinery and Furnace Co., Ltd. | 79 |
1 |
Industry Foundation of Chonnam National University | 584 |
1 |
Ivoclar Vivadent AG | 1060 |
1 |
JX Nippon Mining & Metals Corporation | 1576 |
1 |
Other owners | 15 |