Appel; Wilhelm
Patent Applications and Registrations
Patent applications and USPTO patent grants for Appel; Wilhelm.The latest application filed is for "electrical connector element".
- Appel; Wilhelm - Laa a.d. Thaya AT
- Appel; Wilhelm - Thaya AT
- Appel; Wilhelm - Laa/Thaya AT
- Appel; Wilhelm - Ulm-Donaustetten DE
- Appel; Wilhelm - Donanstetten DT
- Appel; Wilhelm - Lohr am Main DT
| Patent | Date |
|---|---|
| Method for operating a switched mode power supply with return of primary-side stray energy Grant 8,482,941 - Appel , et al. July 9, 2 | 2013-07-09 |
| Asymmetric half-bridge with reduced switch load Grant 8,331,109 - Appel , et al. December 11, 2 | 2012-12-11 |
| Method for operating switched-mode power supply units Grant 8,212,434 - Appel , et al. July 3, 2 | 2012-07-03 |
| Electrical connector element Grant 7,927,156 - Appel , et al. April 19, 2 | 2011-04-19 |
| Electrical Connector Element App 20100136807 - Appel; Wilhelm ; et al. | 2010-06-03 |
| Circuit Arrangement for Reduced Switch Load App 20100102786 - Appel; Wilhelm ; et al. | 2010-04-29 |
| Method for operating switched-mode power supply units App 20090207566 - Appel; Wilhelm ; et al. | 2009-08-20 |
| Method for Operating a Switched Mode Power Supply With Return of Primary-Side Stray Energy App 20090175054 - Appel; Wilhelm ; et al. | 2009-07-09 |
| Device for covering the peak load Grant 7,388,364 - Schweigert , et al. June 17, 2 | 2008-06-17 |
| Device for covering the peak load App 20070035290 - Schweigert; Harald ; et al. | 2007-02-15 |
| Voltage converter Grant 7,120,039 - Burger , et al. October 10, 2 | 2006-10-10 |
| Voltage converter App 20040245968 - Burger, Roland ; et al. | 2004-12-09 |
| Drive system with two hydrostatic gears Grant 4,756,156 - Appel July 12, 1 | 1988-07-12 |
| Control device for a hydrostatic gear Grant 4,756,157 - Appel July 12, 1 | 1988-07-12 |
| Hydraulic drive arrangement Grant 3,866,420 - Appel February 18, 1 | 1975-02-18 |
| Hydraulic Lifting Apparatus With Constant Pull Regulation Grant 3,817,033 - Appel , et al. June 18, 1 | 1974-06-18 |
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