Erdmannsdoerfer; Hans
Patent Applications and Registrations
Patent applications and USPTO patent grants for Erdmannsdoerfer; Hans.The latest application filed is for "filter insert".
- Erdmannsdoerfer; Hans - Dobel DE
- Erdmannsdoerfer; Hans - D-71640 Ludwigsburg DE
- Erdmannsdoerfer; Hans - Ludwigsburg DE
| Patent | Date |
|---|---|
| Filter insert Grant 6,235,089 - Erdmannsdoerfer May 22, 2 | 2001-05-22 |
| Air filter element with a control tube and divided housing Grant 6,090,177 - Moessinger , et al. July 18, 2 | 2000-07-18 |
| Filter device Grant 5,741,421 - Erdmannsdoerfer , et al. April 21, 1 | 1998-04-21 |
| Filter assembly including a reinforced radial seal Grant 5,736,040 - Duerrstein , et al. April 7, 1 | 1998-04-07 |
| Filter element having a nonwoven layer and a permeable shrink tube Grant 5,707,521 - Erdmannsdoerfer , et al. January 13, 1 | 1998-01-13 |
| Air filter with radially sealing filter insert Grant 5,071,456 - Binder , et al. December 10, 1 | 1991-12-10 |
| Soot filter for cleaning the exhaust from an internal combustion engine Grant 5,042,249 - Erdmannsdoerfer August 27, 1 | 1991-08-27 |
| Process and apparatus for the burning off of carbon (SOOT) deposited on exhaust gas filters Grant 5,028,405 - Erdmannsdoerfer , et al. July 2, 1 | 1991-07-02 |
| Method of removing soot which has been trapped in an exhaust gas filter of an internal combustion engine Grant 4,670,233 - Erdmannsdoerfer , et al. June 2, 1 | 1987-06-02 |
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