- All sections
- B - Performing operations; transporting
- B04C - Apparatus using free vortex flow, e.g. cyclones
- B04C 5/15 - Construction of the underflow ducting; Apex constructions; Discharge arrangements with swinging flaps or revolving sluices; Sluices; Check-valves
Patent holdings for IPC class B04C 5/15
Total number of patents in this class: 26
10-year publication summary
|
0
|
1
|
4
|
2
|
4
|
3
|
3
|
3
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Enverid Systems, Inc. | 80 |
2 |
| Gema Switzerland GmbH | 165 |
2 |
| Rockwool A/S | 753 |
2 |
| I.m.m.m.e.s. S.r.l. | 4 |
2 |
| Société des Produits Nestlé S.A. | 9672 |
1 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Alfred Kärcher GmbH & Co. KG | 398 |
1 |
| Assured Performance Group (Holdings) Ltd. | 1 |
1 |
| B/E Aerospace, Inc. | 1493 |
1 |
| Basell Poliolefine Italia S.r.l. | 867 |
1 |
| Cameron International Corporation | 1305 |
1 |
| HTC Sweden AB | 15 |
1 |
| INTECO Special Melting Technologies GmbH | 13 |
1 |
| Oneida Air Systems, Inc. | 59 |
1 |
| Saudi Arabian Oil Company | 11322 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Industrial Solutions AG | 729 |
1 |
| Typhonix AS | 17 |
1 |
| Voith Patent GmbH | 2727 |
1 |
| ROCKWOOL International A/S | 323 |
1 |
| Other owners | 2 |