Pietkiewicz; Andrzej

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pietkiewicz; Andrzej.The latest application filed is for "integrated magnetic device for low harmonics three-phase front-end".

Company Profile

0.5.4

Pietkiewicz; Andrzej - Burgdorf CH
Pietkiewicz; Andrzej - Bern CH

*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
Harmonic cancelling interphase magnetic device Grant 9,153,376 - Pietkiewicz October 6, 2	2015-10-06
Integrated magnetic device for low harmonics three-phase front-end Grant 8,890,642 - Pietkiewicz November 18, 2	2014-11-18
Integrated magnetic device for low harmonics three-phase front-end Grant 8,698,584 - Pietkiewicz April 15, 2	2014-04-15
Integrated Magnetic Device For Low Harmonics Three-phase Front-end App 20130141200 - PIETKIEWICZ; Andrzej	2013-06-06
Harmonic Cancelling Interphase Magnetic Device App 20130121043 - PIETKIEWICZ; Andrzej	2013-05-16
Integrated Magnetic Device For Low Harmonics Three-phase Front-end App 20130121050 - PIETKIEWICZ; Andrzej	2013-05-16
Harmonic filter Grant 8,115,571 - Pietkiewicz , et al. February 14, 2	2012-02-14
Harmonic Filter App 20100134204 - Pietkiewicz; Andrzej ; et al.	2010-06-03
Soft-switching converter DC-to-DC isolated with voltage bidirectional switches on the secondary side of an isolation transformer Grant 5,539,630 - Pietkiewicz , et al. July 23, 1	1996-07-23

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.