Schnetzka; Harold R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schnetzka; Harold R..The latest application filed is for "system and method for controlling harmonics in a renewable energy power system".
- Schnetzka; Harold R. - Simpsonville SC
- Schnetzka; Harold R. - York PA
| Patent | Date |
|---|---|
| System and Method for Controlling Harmonics in a Renewable Energy Power System App 20200382046 - Jha; Kapil ; et al. | 2020-12-03 |
| Optocoupler circuit for gate driver Grant 8,624,213 - Adiga-Manoor , et al. January 7, 2 | 2014-01-07 |
| Optocoupler Circuit For Gate Driver App 20120298890 - Adiga-Manoor; Shreesha ; et al. | 2012-11-29 |
| Variable speed drive with integral bypass contactor Grant 8,014,110 - Schnetzka , et al. September 6, 2 | 2011-09-06 |
| Variable speed drive Grant 8,004,803 - Schnetzka August 23, 2 | 2011-08-23 |
| Variable speed drive Grant 7,957,166 - Schnetzka , et al. June 7, 2 | 2011-06-07 |
| Cooling systems for variable speed drives and inductors Grant 7,876,561 - Schnetzka , et al. January 25, 2 | 2011-01-25 |
| Variable Speed Drive App 20100229580 - Schnetzka; Harold R. | 2010-09-16 |
| System and method to extend synchronous operation of an active converter in a variable speed drive Grant 7,764,041 - Schnetzka , et al. July 27, 2 | 2010-07-27 |
| Common mode & differential mode filter for variable speed drive Grant 7,746,020 - Schnetzka , et al. June 29, 2 | 2010-06-29 |
| Low voltage variable speed drive for application on medium/high voltage mains Grant 7,640,767 - Schnetzka , et al. January 5, 2 | 2010-01-05 |
| System for precharging a DC link in a variable speed drive Grant 7,619,906 - Schnetzka November 17, 2 | 2009-11-17 |
| Variable speed drive App 20090109713 - Schnetzka; Harold R. ; et al. | 2009-04-30 |
| Variable Speed Drive With Integral Bypass Contactor App 20080174257 - SCHNETZKA; Harold R. ; et al. | 2008-07-24 |
| Cooling Systems For Variable Speed Drives And Inductors App 20080174393 - Schnetzka; Harold R. ; et al. | 2008-07-24 |
| Common Mode & Differential Mode Filter For Variable Speed Drive App 20080174255 - SCHNETZKA; Harold R. ; et al. | 2008-07-24 |
| System And Method To Extend Synchronous Operation Of An Active Converter In A Variable Speed Drive App 20080174258 - SCHNETZKA; Harold R. ; et al. | 2008-07-24 |
| Ride-through method and system for HVAC&R chillers Grant 7,332,885 - Schnetzka , et al. February 19, 2 | 2008-02-19 |
| Low Voltage Variable Speed Drive For Application On Medium/high Voltage Mains App 20070283708 - Schnetzka; Harold R. ; et al. | 2007-12-13 |
| Electronic control transformer using DC link voltage App 20070151272 - Cosan; Muhammet ; et al. | 2007-07-05 |
| A Ride-through Method And System For Hvac&r Chillers App 20070063668 - Schnetzka; Harold R. ; et al. | 2007-03-22 |
| System for precharging a DC link in a variable speed drive App 20060208685 - Schnetzka; Harold R. | 2006-09-21 |
| Highly Efficient Driver Circuit For A Solid State Switch App 20020044004 - GUIDO, LOUIS A. JR. ; et al. | 2002-04-18 |
| Methods and apparatuses for detecting surge in centrifugal compressors Grant 5,894,736 - Beaverson , et al. April 20, 1 | 1999-04-20 |
| Methods and apparatuses for detecting surge in centrifugal compressors Grant 5,746,062 - Beaverson , et al. May 5, 1 | 1998-05-05 |
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