- All sections
- A - Human necessities
- A47J - Kitchen equipment; coffee mills; spice mills; apparatus for making beverages
- A47J 36/28 - Warming devices generating the heat by exothermic reactions, e.g. heat released by the contact of unslaked lime with water
Patent holdings for IPC class A47J 36/28
Total number of patents in this class: 122
10-year publication summary
|
14
|
11
|
13
|
14
|
8
|
9
|
14
|
6
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tempra Technology, Inc. | 47 |
16 |
| Forever Young International, Inc. | 48 |
14 |
| HeatGenie, Inc. | 24 |
9 |
| Heat Wave Technologies, LLC | 14 |
8 |
| Sonoco Development, Inc. | 776 |
5 |
| Rbce Tech, LLC | 15 |
5 |
| Mycoal Co., Ltd. | 18 |
4 |
| Harvest Charmfoods Co., Ltd. | 7 |
3 |
| Rechargeable Battery Corporation | 16 |
3 |
| Obshchestvo S Ogranichennoy Otvetstvennostyu "bargan Production Group" | 5 |
3 |
| The Curators of the University of Missouri | 965 |
2 |
| Ideaprototipi SRL | 2 |
2 |
| Krauzen Co., Ltd. | 7 |
2 |
| Mishkin Holdings LLC | 17 |
2 |
| Debelkhan Ltd | 2 |
2 |
| BSH Hausgeräte GmbH | 5384 |
1 |
| BSH Home Appliances Corporation | 823 |
1 |
| The Coca-Cola Company | 2528 |
1 |
| Energy Dyne Corporation | 1 |
1 |
| Genergy Technology Limited | 1 |
1 |
| Other owners | 37 |