- All sections
- B - Performing operationstransporting
- B07B - Separating solids from solids by sieving, screening, sifting or by using gas currentsseparating by other dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
- B07B 1/49 - Stretching devices for screens stretching more than one screen or screen section by the same or different stretching means
Patent holdings for IPC class B07B 1/49
Total number of patents in this class: 112
10-year publication summary
|
14
|
7
|
3
|
4
|
0
|
2
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Derrick Corporation | 247 |
17 |
| M-I L.L.C. | 815 |
16 |
| FLSmidth A/S | 772 |
6 |
| Axiom Process Ltd. | 14 |
4 |
| Lettela Pty Limited | 10 |
4 |
| Terex USA, LLC | 141 |
4 |
| United Wire Limited | 47 |
4 |
| Conn-weld Industries, LLC | 29 |
4 |
| Lumsden Corporation | 7 |
3 |
| Rotex Global, LLC | 14 |
3 |
| Grant Prideco, Inc. | 385 |
2 |
| Metso Brasil Industria e Comercio Ltda | 16 |
2 |
| Metso Minerals, Inc. | 109 |
2 |
| Sandvik Intellectual Property AB | 1479 |
2 |
| Hewitt Robins International Ltd | 4 |
2 |
| Schlumberger Technology Corporation | 10820 |
1 |
| ANDREAS STIHL AG & Co. KG | 820 |
1 |
| Blue Line Fabrication, Inc. | 3 |
1 |
| Blue Whale Screen Co., Ltd. | 1 |
1 |
| BlueLine Enterprises, Inc. | 6 |
1 |
| Other owners | 32 |