Fehr; Emil
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fehr; Emil.The latest application filed is for "device in process engineering column".
- Fehr; Emil - Berg am Irchel CH
- Fehr, Emil - Irchel CH
| Patent | Date |
|---|---|
| Distributor for pairwise delivery of two liquids Grant 7,896,039 - Bachmann , et al. March 1, 2 | 2011-03-01 |
| Tray valve for a tray column Grant 7,540,477 - Fischer , et al. June 2, 2 | 2009-06-02 |
| Device in process engineering column Grant 7,377,498 - Fehr , et al. May 27, 2 | 2008-05-27 |
| Device in process engineering column App 20070272326 - Fehr; Emil ; et al. | 2007-11-29 |
| Device in a process engineering column Grant 7,287,746 - Fehr , et al. October 30, 2 | 2007-10-30 |
| Distributor for pairwise delivery of two liquids App 20070181213 - Bachmann; Christian Gottlieb ; et al. | 2007-08-09 |
| Tray valve for a tray column App 20070023938 - Fischer; Markus ; et al. | 2007-02-01 |
| Fluid inlet device App 20050236048 - Griepsma, Bart ; et al. | 2005-10-27 |
| Device in a process engineering column App 20040103686 - Fehr, Emil ; et al. | 2004-06-03 |
| Liquid distributor for columns Grant 6,695,008 - Fehr , et al. February 24, 2 | 2004-02-24 |
| Guide member for a liquid jet to be deflected Grant 6,631,860 - Bachmann , et al. October 14, 2 | 2003-10-14 |
| Column comprising a base between filler body sections Grant 6,540,213 - Bachmann , et al. April 1, 2 | 2003-04-01 |
| Liquid distributor for columns App 20020174900 - Fehr, Emil ; et al. | 2002-11-28 |
| Guide member for a liquid jet to be deflected App 20010038044 - Bachmann, Christian ; et al. | 2001-11-08 |
| Column comprising a base between filler body sections App 20010038155 - Bachmann, Christian ; et al. | 2001-11-08 |
| Liquid distributor for columns Grant 5,783,119 - Ulrich , et al. July 21, 1 | 1998-07-21 |
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