- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 29/94 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Patent holdings for IPC class B01D 29/94
Total number of patents in this class: 124
10-year publication summary
|
9
|
9
|
13
|
7
|
16
|
10
|
14
|
17
|
17
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gaudfrin | 21 |
7 |
| Inheriting Earth Limited | 19 |
4 |
| Philip Morris USA Inc. | 744 |
3 |
| Alconbury Weston Ltd | 4 |
3 |
| Boll & Kirch Filterbau GmbH | 35 |
3 |
| Cargill, Incorporated | 2835 |
3 |
| HYDAC Process Technology GmbH | 89 |
3 |
| Break Polymer SRL | 3 |
3 |
| Ettlinger Kunststoffmaschinen GmbH | 10 |
2 |
| Haier US Appliance Solutions, Inc. | 3178 |
2 |
| MAHLE International GmbH | 2670 |
2 |
| Nissin Manufacturing Co., Ltd. | 26 |
2 |
| Satake Corporation | 284 |
2 |
| UTS Biogastechnik GmbH | 29 |
2 |
| Frog Creek Partners, LLC | 8 |
2 |
| Cogar Manufacturing, Inc. | 3 |
2 |
| Eaton Corporation | 1839 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| AJ Basstech Inc. | 1 |
1 |
| Andritz AG | 218 |
1 |
| Other owners | 75 |