- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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 equipment; Equipment for removing slag
Patent holdings for IPC class F27D 3/15
Total number of patents in this class: 187
10-year publication summary
11
|
25
|
10
|
14
|
19
|
24
|
13
|
11
|
15
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Refractory Intellectual Property GmbH & Co. KG | 502 |
17 |
TMT - Tapping Measuring Technology SARL | 29 |
11 |
TMT Tapping-Measuring-Technology GmbH | 13 |
7 |
Primetals Technologies Austria GmbH | 479 |
6 |
Tata Steel Limited | 184 |
6 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
5 |
SMS Siemag Aktiengesellschaft | 529 |
5 |
Tmt-bbg Research and Development GmbH | 5 |
4 |
ArcelorMittal | 1887 |
3 |
More S.r.l. | 14 |
3 |
SMS CONCAST ITALIA S.p.A. | 9 |
3 |
Tenova S.p.A. | 150 |
3 |
Wacker Chemie AG | 2091 |
3 |
Siemens AG | 24990 |
2 |
ABB Schweiz AG | 6321 |
2 |
Badische Stahl Engineering GmbH, | 4 |
2 |
Hatch Ltd. | 219 |
2 |
Hyundai Steel Company | 310 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Outotec (Finland) Oy | 491 |
2 |
Other owners | 97 |