Wiegand; Hans
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wiegand; Hans.The latest application filed is for "pocket filter element".
- Wiegand; Hans - Fuerth DE
- Wiegand, Hans - Furth DE
- Wiegand; Hans - Boyertown PA
| Patent | Date |
|---|---|
| Pocket filter element Grant 11,052,342 - Sieh , et al. July 6, 2 | 2021-07-06 |
| Pocket Filter Element App 20190070544 - Sieh; Maik ; et al. | 2019-03-07 |
| Filter cartridge comprising a weld seam Grant 10,220,344 - Schulz , et al. | 2019-03-05 |
| Filter Cartridge Comprising A Weld Seam App 20170021299 - Schulz; Karsten ; et al. | 2017-01-26 |
| Method of producing a filter insert App 20020108701 - Hintenlang, Dieter ; et al. | 2002-08-15 |
| Filter cartridge having vibratable diaphragm Grant 6,143,046 - Wiegand , et al. November 7, 2 | 2000-11-07 |
| Filter cartridge and method for its manufacture Grant 5,954,848 - Otto , et al. September 21, 1 | 1999-09-21 |
| Actuator Assembly Grant 3,828,624 - Wiegand August 13, 1 | 1974-08-13 |
| Actuator Assembly Grant 3,766,801 - Wiegand October 23, 1 | 1973-10-23 |
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