- 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: 75
10-year publication summary
|
3
|
2
|
3
|
2
|
0
|
4
|
8
|
15
|
21
|
4
|
| 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 | 196 |
24 |
| SMS Group GmbH | 1179 |
4 |
| University of Maryland, College Park | 1077 |
3 |
| Hybrit Development AB | 71 |
3 |
| Tecforlime | 9 |
3 |
| Amerifab, Inc. | 52 |
2 |
| HYL Technologies, S.A. de C.V. | 44 |
2 |
| Maerz Ofenbau AG | 50 |
2 |
| Nova Chemicals Corporation | 326 |
2 |
| Omya International AG | 778 |
2 |
| IBEX Dental Technologies, Inc. | 2 |
2 |
| Continuum Powders Corporation | 33 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15102 |
1 |
| 8 Rivers Capital, LLC | 236 |
1 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
1 |
| Calix Ltd | 90 |
1 |
| China Petroleum and Chemical Corporation | 11 |
1 |
| Fels-Werke GmbH | 30 |
1 |
| Hatch Ltd. | 220 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2833 |
1 |
| Other owners | 16 |