Frannhagen, Bjorn
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frannhagen, Bjorn.The latest application filed is for "climatic test chamber system and a method".
- Frannhagen, Bjorn - Landskrona SE
- Frannhagen; Bjorn - Lund SE
| Patent | Date |
|---|---|
| Climatic test chamber system and a method App 20050145047 - Frannhagen, Bjorn ; et al. | 2005-07-07 |
| Climatic test chamber system and a method for the operation thereof App 20030172751 - Frannhagen, Bjorn ; et al. | 2003-09-18 |
| Rechargeable battery with a built-in safety circuit for a portable electric apparatus Grant 6,049,144 - Frannhagen , et al. April 11, 2 | 2000-04-11 |
| Battery pack for a portable electric apparatus and a method for the charging thereof Grant 6,025,694 - Mercke , et al. February 15, 2 | 2000-02-15 |
| Method and device for controlling the voltage across individual cells in a battery Grant 5,945,804 - Hansson , et al. August 31, 1 | 1999-08-31 |
| Safety device for a portable battery-powered electric apparatus Grant 5,834,921 - Mercke , et al. November 10, 1 | 1998-11-10 |
| Battery charging methods and apparatuses Grant 5,818,204 - Banyas , et al. October 6, 1 | 1998-10-06 |
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