Schierling; Hubert

Patent Applications and Registrations

Patent applications and USPTO patent grants for Schierling; Hubert.The latest application filed is for "locating a ground fault in a dc network".

Company Profile

6.41.53

Schierling; Hubert - Erlangen DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Frequency converter with simplified pre-charging circuit Grant 11,431,241 - Hensler , et al. August 30, 2	2022-08-30
Electronic switch with overvoltage limiter Grant 11,362,512 - Schierling , et al. June 14, 2	2022-06-14
Locating A Ground Fault In A Dc Network App 20220170977 - SCHIERLING; Hubert ; et al.	2022-06-02
Circuit Breaker Device For Dc Voltage App 20220166206 - BECKERT; Thomas ; et al.	2022-05-26
Locating A Ground Fault In A Dc System App 20220146594 - SCHIERLING; Hubert ; et al.	2022-05-12
Switching Device For A Dc Voltage Circuit App 20220149727 - BECKERT; Thomas ; et al.	2022-05-12
Detection Of A Ground Fault In A Direct-current Network App 20220146595 - SCHIERLING; Hubert ; et al.	2022-05-12
Pulse Circuit For Providing A Fault Current In A Dc Voltage Power Supply Grid App 20220102967 - SCHIERLING; HUBERT	2022-03-31
Method For Precharging A Network Section App 20220094188 - HANDT; Karsten ; et al.	2022-03-24
Method for operating a direct-current grid and direct-current grid Grant 11,271,395 - Schierling , et al. March 8, 2	2022-03-08
Electronic Switch App 20220045503 - SCHIERLING; HUBERT	2022-02-10
Frequency Converter With Simplified Pre-charging Circuit App 20210408931 - Hensler; Alexander ; et al.	2021-12-30
Method And Device For Automatically Testing A Switching Member App 20210389363 - SCHIERLING; Hubert	2021-12-16
Method for operating a power distributing apparatus, and power distributing apparatus Grant 11,101,642 - Schierling , et al. August 24, 2	2021-08-24
Method for controlling a direct current switch, direct current switch, and DC voltage system Grant 11,075,623 - Schierling , et al. July 27, 2	2021-07-27
Electronic Switch With Overvoltage Limiter App 20210091561 - SCHIERLING; Hubert ; et al.	2021-03-25
Energy recovery rectifier device Grant 10,742,135 - Gopfrich , et al. A	2020-08-11
Method for preventing a dangerous, higher-frequency earth fault current for an electrical drive system Grant 10,734,800 - Schierling , et al.	2020-08-04
Efficient pre-charging of sections of a DC voltage network Grant 10,727,668 - Schierling	2020-07-28
Method For Operating A Direct-current Grid And Direct-current Grid App 20200144815 - SCHIERLING; Hubert ; et al.	2020-05-07
Efficient Pre-charging Of Sections Of A Dc Voltage Network App 20200136384 - SCHIERLING; HUBERT	2020-04-30
Method For Operating A Power Distributing Device, And Power Distributing Device App 20200136375 - Schierling; Hubert ; et al.	2020-04-30
Method For Controlling A Direct Current Switch, Direct Current Switch, And Dc Voltage System App 20200136604 - SCHIERLING; Hubert ; et al.	2020-04-30
Optimized Structure Of A Dc Voltage System And Method In The Event Of Failure Of The Supplying Network App 20200099249 - Schierling; Hubert ; et al.	2020-03-26
Method For Preventing A Dangerous, Higher-frequency Earth Fault Current For An Electrical Drive System App 20190363533 - Schierling; Hubert ; et al.	2019-11-28
Energy Recovery Rectifier Device App 20190115847 - GOPFRICH; KURT ; et al.	2019-04-18
Apparatus and method for switching a direct current Grant 10,243,357 - Eckel , et al.	2019-03-26
Converter and method for operating same Grant 9,859,820 - Schierling January 2, 2	2018-01-02
Method for controlling a Vienna rectifier Grant 9,595,883 - Nieberlein , et al. March 14, 2	2017-03-14
Method for operating a drive control device, facility with means for executing the method and drive control device with such a facility Grant 9,509,234 - Bauer , et al. November 29, 2	2016-11-29
Apparatus And Method For Switching A Direct Current App 20160315467 - ECKEL; Hans-Gunter ; et al.	2016-10-27
Method For Controlling A Vienna Rectifier App 20160268920 - NIEBERLEIN; KLAUS ; et al.	2016-09-15
Frequency converter with DC link capacitor and method for pre-charging the DC link capacitor Grant 9,318,969 - Dillig , et al. April 19, 2	2016-04-19
Converter And Method For Operating Same App 20150365021 - Schierling; Hubert	2015-12-17
Method and apparatus for determining an electrical torque of an electrical machine Grant 9,146,166 - Kopken , et al. September 29, 2	2015-09-29
Frequency converter and method for identifying and blocking a fault current in a frequency converter Grant 9,007,790 - Dillig , et al. April 14, 2	2015-04-14
Method For Operating A Drive Control Device, Facility With Means For Executing The Method And Drive Control Device With Such A Facility App 20140369091 - Bauer; Franz ; et al.	2014-12-18
Method for operating a ground fault interrupter as well as ground fault interrupter for a frequency converter Grant 8,873,207 - Dillig , et al. October 28, 2	2014-10-28
Lossy triphase low-pass filter Grant 8,743,572 - Schierling , et al. June 3, 2	2014-06-03
Method And Apparatus For Determining An Electrical Torque Of An Electrical Machine App 20140026681 - Kopken; Hans-Georg ; et al.	2014-01-30
Frequency Converter With Dc Link Capacitor And Method For Pre-charging The Dc Link Capacitor App 20140003099 - Dillig; Reinhold ; et al.	2014-01-02
Frequency Converter And Method For Identifying And Blocking A Fault Current In A Frequency Converter App 20130235618 - Dillig; Reinhold ; et al.	2013-09-12
Method For Operating A Ground Fault Interrupter As Well As Ground Fault Interrupter For A Frequency Converter App 20130170077 - Dillig; Reinhold ; et al.	2013-07-04
Electronic circuit composed of sub-circuits and method for producing Grant 8,441,114 - Birner , et al. May 14, 2	2013-05-14
Machine with optical communication from a first machine part to a second machine part which rotates relative to the first machine part Grant 8,208,813 - Schierling , et al. June 26, 2	2012-06-26
Machine tool or production machine or robot Grant 7,997,905 - Denk , et al. August 16, 2	2011-08-16
Lossy Triphase Low-pass Filter App 20110187480 - Schierling; Hubert ; et al.	2011-08-04
Converter Motor App 20110043082 - Billmann; Markus ; et al.	2011-02-24
Machine Tool or Production Machine or Robot App 20100317201 - Denk; Joachim ; et al.	2010-12-16
Electronic Circuit Composed Of Sub-circuits And Method For Producing The Same App 20100309633 - Birner; Martin ; et al.	2010-12-09
Transmission system for interchanging information data between an electrical load and an upstream converter Grant 7,825,533 - Schierling November 2, 2	2010-11-02
Method and device for detecting a degree of pollution of an operational converter Grant 7,652,585 - Schierling January 26, 2	2010-01-26
Arrangement comprising two elements which can be rotatably displaced in respect of one another Grant 7,629,600 - Denk , et al. December 8, 2	2009-12-08
Method for determination of the risk to disturbance-free operation of a frequency converter Grant 7,622,886 - Schierling November 24, 2	2009-11-24
Arrangement comprising two elements which can be rotatably displaced in respect of one another App 20090152478 - Denk; Joachim ; et al.	2009-06-18
Machine with optical communication from a first machine part to a second machine part which rotates relative to the first machine part App 20090154936 - Schierling; Hubert ; et al.	2009-06-18
Drive controller for a self-commutated converter Grant 7,529,111 - Schierling May 5, 2	2009-05-05
Process for determining the loading condition of a diode rectifier of a frequency converter Grant 7,489,124 - Schierling February 10, 2	2009-02-10
Method for Automatic Adjustment of the Mains-System Frequency Parameter of a Frequency Converter Which Is Connected to a Mains System App 20080310202 - Schierling; Hubert	2008-12-18
Transmission System for Interchanging Information Data Between an Electrical Load and an Upstream Converter App 20080309158 - Schierling; Hubert	2008-12-18
Method and Device for Detecting a Degree of Pollution of an Operational Converter App 20080272924 - Schierling; Hubert	2008-11-06
Method for Determination of the Risk to Disturbance-Free Operation of a Frequency Converter App 20080272727 - Schierling; Hubert	2008-11-06
Power Semiconductor App 20080191356 - Leibold; Herbert ; et al.	2008-08-14
Frequency converter having an intermediate circuit without any capacitors Grant 7,394,627 - Bruckmann , et al. July 1, 2	2008-07-01
Electronic power circuit Grant 7,327,053 - Eckardt , et al. February 5, 2	2008-02-05
Method and device for shutting down a drive with a matrix converter during a power outage Grant 7,301,736 - Schierling November 27, 2	2007-11-27
Process for Determining the Loading Condition of a Diode Rectifier of a Frequency Converter App 20070242491 - Schierling; Hubert	2007-10-18
Frequency Converter Having An Intermediate Circuit Without Any Capacitors App 20070177407 - BRUCKMANN; MANFRED ; et al.	2007-08-02
Wide-voltage-range Converter App 20070053213 - Brune; Richard ; et al.	2007-03-08
Method for interchanging information data between an electrical load and an item of equipment, and a load recognition unit App 20060187085 - Griepentrog; Gerd ; et al.	2006-08-24
Drive controller for a self-commutated converter App 20060056212 - Schierling; Hubert	2006-03-16
Reduction of interference currents in a group of synchronized, variable speed electric drives Grant 6,914,397 - Schierling July 5, 2	2005-07-05
Electric machine App 20050067906 - Schierling, Hubert ; et al.	2005-03-31
Method and device for bridging brief power outages in a matrix converter Grant 6,862,163 - Schierling , et al. March 1, 2	2005-03-01
Inverter with a line-side and load-side freewheeling pulse converter using SiC switching elements Grant 6,850,424 - Baudelot , et al. February 1, 2	2005-02-01
Method and device for shutting down a drive with a matrix converter during a power outage App 20040150266 - Schierling, Hubert	2004-08-05
Method and device for bridging brief power outages in a matrix converter App 20040151119 - Schierling, Hubert ; et al.	2004-08-05
Method for controlling a matrix converter Grant 6,760,239 - Schierling , et al. July 6, 2	2004-07-06
Electronic power circuit App 20040004404 - Eckardt, Dieter ; et al.	2004-01-08
Method for controlling a matrix converter App 20030202369 - Schierling, Hubert ; et al.	2003-10-30
Reduction of interference currents in a group of synchronized, variable speed electric drives App 20030155874 - Schierling, Hubert	2003-08-21
Method for controlling freewheeling paths in a matrix converter Grant 6,603,647 - Briesen , et al. August 5, 2	2003-08-05
Method for controlling freewheeling paths in a matrix converter App 20030112640 - Briesen, Christian ; et al.	2003-06-19
Inverter with a mains system side and load-side freewheeling pulse converter App 20030058662 - Baudelot, Eric ; et al.	2003-03-27
Power converter device App 20030058597 - Bruckmann, Manfred ; et al.	2003-03-27
Method and apparatus for standstill recognition when restarting a power converter-fed AC motor without a tachometer generator Grant 5,635,811 - Rebhan , et al. June 3, 1	1997-06-03
Method and apparatus for current regulating in a voltage-injecting converter Grant 5,467,000 - Bauer , et al. November 14, 1	1995-11-14
Method and apparatus for determining the rotor resistance of a rotating-field machine Grant 4,884,023 - Schmidt , et al. November 28, 1	1989-11-28

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