Welchko; Brian

Patent Applications and Registrations

Patent applications and USPTO patent grants for Welchko; Brian.The latest application filed is for "pwm pattern sequence to reduce losses in voltage source inverters".

Company Profile

0.15.12

Welchko; Brian - Torrance CA
Welchko; Brian - Madison WI
Welchko; Brian - Torruce CA

*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
Fault handling of inverter driven PM motor drives Grant RE42,200 - Welchko , et al. March 8, 2	2011-03-08
Interior permanent magnet rotors with multiple properties and methods of making same Grant 7,556,082 - Welchko , et al. July 7, 2	2009-07-07
High power permanent magnet alternator with improved controlled output Grant 7,521,905 - Welchko , et al. April 21, 2	2009-04-21
Method and apparatus for PWM control of voltage source inverter to minimize current sampling errors in electric drives Grant 7,518,335 - West , et al. April 14, 2	2009-04-14
PWM pattern sequence to reduce losses in voltage source inverters Grant 7,432,683 - Welchko , et al. October 7, 2	2008-10-07
Method and apparatus for controlling voltage linearity of voltage source inverters Grant 7,411,801 - Welchko , et al. August 12, 2	2008-08-12
Loss minimized PWM for voltage source inverters taking into account inverter non-linearity Grant 7,391,181 - Welchko , et al. June 24, 2	2008-06-24
Pwm Pattern Sequence To Reduce Losses In Voltage Source Inverters App 20080116840 - Welchko; Brian ; et al.	2008-05-22
Method And Apparatus For Pwm Control Of Voltage Source Inverter To Minimize Current Sampling Errors In Electric Drives App 20080094023 - West; Stephen T. ; et al.	2008-04-24
High Power Permanent Magnet Alternator With Improved Controlled Output App 20080074088 - Welchko; Brian ; et al.	2008-03-27
Method and apparatus for PWM control of voltage source inverter Grant 7,307,401 - Gataric , et al. December 11, 2	2007-12-11
Power capacitors mounted diametrically on electric motors App 20070273223 - Ward; Terence G. ; et al.	2007-11-29
Fault handling of inverter driven PM motor drives Grant 7,279,862 - Welchko , et al. October 9, 2	2007-10-09
Interior permanent magnet rotors with multiple properties and methods of making same App 20070228862 - Welchko; Brian ; et al.	2007-10-04
Method and apparatus for PWM control of voltage source inverter App 20070216341 - Gataric; Slobodan ; et al.	2007-09-20
Loss minimized PWM for voltage source inverters taking into account inverter non-linearity App 20070216344 - Welchko; Brian ; et al.	2007-09-20
Method and apparatus for controlling voltage linearity of voltage source inverters App 20070133242 - Welchko; Brian ; et al.	2007-06-14
Method and apparatus for increasing AC motor torque output at low frequency Grant 7,218,071 - Welchko , et al. May 15, 2	2007-05-15
Doubled-ended inverter drive system topology for a hybrid vehicle Grant 7,199,535 - Welchko , et al. April 3, 2	2007-04-03
Wye switch inverter for electric and hybrid vehicles Grant 7,193,378 - Welchko March 20, 2	2007-03-20
Unified power control method of double-ended inverter drive systems for hybrid vehicles Grant 7,154,237 - Welchko , et al. December 26, 2	2006-12-26
Double-ended inverter drive system topology for a hybrid vehicle App 20060164028 - Welchko; Brian ; et al.	2006-07-27
Unified power control method of double-ended inverter drive systems for hybrid vehicles App 20060164027 - Welchko; Brian ; et al.	2006-07-27
Inverter for electric and hybrid powered vehicles and associated system and method Grant 7,057,371 - Welchko , et al. June 6, 2	2006-06-06
Inverter for electric and hybrid powered vehicles and associated system and method App 20050231152 - Welchko, Brian ; et al.	2005-10-20
Multiple inverter system with low power bus ripples and method therefor Grant 6,864,646 - Rahman , et al. March 8, 2	2005-03-08
Multiple inverter system with low power bus ripples and method therefor App 20040160201 - Rahman, Khwaja M. ; et al.	2004-08-19

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