- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 1/22 - Arrangements of heat-exchange apparatus
Patent holdings for IPC class F27B 1/22
Total number of patents in this class: 73
10-year publication summary
|
3
|
2
|
2
|
2
|
0
|
2
|
7
|
11
|
20
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.A. Lhoist Recherche et Developpement | 193 |
22 |
| SMS Group GmbH | 1159 |
4 |
| University of Maryland, College Park | 1063 |
3 |
| Hybrit Development AB | 69 |
3 |
| Amerifab, Inc. | 50 |
2 |
| HYL Technologies, S.A. de C.V. | 43 |
2 |
| Maerz Ofenbau AG | 49 |
2 |
| Nova Chemicals Corporation | 332 |
2 |
| Omya International AG | 772 |
2 |
| IBEX Dental Technologies, Inc. | 2 |
2 |
| Tecforlime | 6 |
2 |
| Continuum Powders Corporation | 33 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 14949 |
1 |
| 8 Rivers Capital, LLC | 239 |
1 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
1 |
| Calix Ltd | 93 |
1 |
| China Petroleum and Chemical Corporation | 12 |
1 |
| E.t.i.a. Evaluation Technologique, Ingenierie et Applications | 38 |
1 |
| Fels-Werke GmbH | 30 |
1 |
| Hatch Ltd. | 218 |
1 |
| Other owners | 17 |