- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 3/15 - Tapping equipmentEquipment for removing slag
Patent holdings for IPC class F27D 3/15
Total number of patents in this class: 200
10-year publication summary
|
25
|
10
|
14
|
19
|
24
|
13
|
11
|
18
|
12
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 535 |
17 |
| TMT - Tapping Measuring Technology SARL | 35 |
14 |
| TMT Tapping-Measuring-Technology GmbH | 13 |
7 |
| Primetals Technologies Austria GmbH | 529 |
6 |
| ArcelorMittal | 2254 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
5 |
| SMS Siemag Aktiengesellschaft | 506 |
5 |
| Tata Steel Limited | 175 |
4 |
| Tmt-bbg Research and Development GmbH | 4 |
4 |
| Hyundai Steel Company | 411 |
3 |
| More S.r.l. | 15 |
3 |
| Reuning-mckim Inc. | 3 |
3 |
| SMS CONCAST ITALIA S.p.A. | 9 |
3 |
| Tenova S.p.A. | 156 |
3 |
| Wacker Chemie AG | 2104 |
3 |
| Siemens AG | 24552 |
2 |
| ABB Schweiz AG | 6912 |
2 |
| Badische Stahl Engineering GmbH, | 5 |
2 |
| Nippon Steel Corporation | 6195 |
2 |
| Outotec (Finland) Oy | 480 |
2 |
| Other owners | 105 |