Frotscher; Rainer
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frotscher; Rainer.The latest application filed is for "monitoring of gases produced in an insulating-means circuit".
- Frotscher; Rainer - Regenstauf DE
- Frotscher; Rainer - Wenzenbach N/A DE
| Patent | Date |
|---|---|
| Monitoring of gases produced in an insulating-means circuit Grant 11,327,039 - Frotscher , et al. May 10, 2 | 2022-05-10 |
| Monitoring Of Gases Produced In An Insulating-means Circuit App 20220026385 - Frotscher; Rainer ; et al. | 2022-01-27 |
| Tap changer with vacuum interrupters Grant 9,293,273 - Albrecht , et al. March 22, 2 | 2016-03-22 |
| On-load Tap Changer With Connection To Oil Reservoir Of A Transformer App 20150325387 - DOHNAL; Dieter ; et al. | 2015-11-12 |
| Method for gas analysis of on-load tap changers Grant 8,738,301 - Frotscher , et al. May 27, 2 | 2014-05-27 |
| Tap Changer With Vacuum Interrupters App 20140027257 - Albrecht; Wolfgang ; et al. | 2014-01-30 |
| Method For Gas Analysis Of On-load Tap Changers App 20120041688 - Frotscher; Rainer ; et al. | 2012-02-16 |
| Power Transformer Having A Stepping Switch App 20110063064 - Albrecht; Wolfgang ; et al. | 2011-03-17 |
| Method for monitoring contact consumption in multiple contact switches App 20070051595 - Dohnal; Dieter ; et al. | 2007-03-08 |
| Method of monitoring the contact burnoff in tap changers Grant 6,518,771 - Frotscher , et al. February 11, 2 | 2003-02-11 |
| Method of monitoring the contact burnoff in tap changers App 20010013784 - Frotscher, Rainer ; et al. | 2001-08-16 |
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