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Helmut Lenz
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Oberasbach, DE
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Patents Grants
last 30 patents
Information
Patent Grant
MR system with improved protection against cardiostimulation
Patent number
11,614,507
Issue date
Mar 28, 2023
Siemens Healthcare GmbH
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Safety structure of a magnetic resonance apparatus
Patent number
11,609,287
Issue date
Mar 21, 2023
Siemens Healthcare GmbH
Dirk Schneiderbanger
G01 - MEASURING TESTING
Information
Patent Grant
MR system with improved protection against cardiac stimulation
Patent number
11,567,154
Issue date
Jan 31, 2023
Siemens Healthcare GmbH
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for actuation of a gradient coil
Patent number
11,193,999
Issue date
Dec 7, 2021
Siemens Healthcare GmbH
Mihail Boguslavskij
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring of a temporal change in a magnetic field in a magnetic r...
Patent number
10,663,538
Issue date
May 26, 2020
Siemens Healthcare GmbH
Wolfgang Bielmeier
G01 - MEASURING TESTING
Information
Patent Grant
Circuit arrangement for an MRT system, MRT system and method for op...
Patent number
10,379,182
Issue date
Aug 13, 2019
Siemens Healthcare GmbH
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit arrangement, gradient amplifier, and method for compensatin...
Patent number
9,897,673
Issue date
Feb 20, 2018
Siemens Aktiengesellschaft
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Suppressing offset, offset drift, and 1/f noise during analog/digit...
Patent number
9,401,725
Issue date
Jul 26, 2016
Siemens Aktiengesellschaft
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Control apparatus with differential control in a magnetically coupl...
Patent number
9,217,784
Issue date
Dec 22, 2015
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Controlling gradient coils taking the inductive coupling into account
Patent number
9,176,209
Issue date
Nov 3, 2015
Siemens Aktiengesellschaft
Eva Eberlein
G01 - MEASURING TESTING
Information
Patent Grant
Method for generating a modulator input signal and premodulator
Patent number
7,498,963
Issue date
Mar 3, 2009
Siemens Aktiengesellschaft
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electric amplifier and method for the control thereof
Patent number
7,468,607
Issue date
Dec 23, 2008
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Amplifier having a regulation system controlled by the output stage
Patent number
7,397,248
Issue date
Jul 8, 2008
Siemens Aktiengesellschaft
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Stabilization circuit for compensating fluctuations in a voltage at...
Patent number
7,091,632
Issue date
Aug 15, 2006
Siemens Aktiengesellschaft
Helmut Lenz
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power amplifier
Patent number
6,671,329
Issue date
Dec 30, 2003
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Power amplifier
Patent number
6,671,330
Issue date
Dec 30, 2003
Siemens Aktiengesellschaft
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gradient amplifier with combined current regulation and differentia...
Patent number
6,448,775
Issue date
Sep 10, 2002
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Method and MR device for simulating electrical simulations in a sub...
Patent number
6,169,403
Issue date
Jan 2, 2001
Siemens Aktiengesellschaft
Franz Hebrank
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Power supply
Patent number
6,069,806
Issue date
May 30, 2000
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Gradient amplifier and magnetic resonance tomography apparatus empl...
Patent number
6,025,720
Issue date
Feb 15, 2000
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Grant
Regulated inverter having a switched output stage and driver circui...
Patent number
5,973,527
Issue date
Oct 26, 1999
Siemens Aktiengesellschaft
Peter Schweighofer
G01 - MEASURING TESTING
Information
Patent Grant
Device for monitoring chip temperature
Patent number
5,955,909
Issue date
Sep 21, 1999
Siemens Aktiengesellschaft
Helmut Lenz
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply for predominantly inductive loads
Patent number
5,546,299
Issue date
Aug 13, 1996
Siemens Aktiengesellschaft
Helmut Lenz
G05 - CONTROLLING REGULATING
Information
Patent Grant
Apparatus for indirect measurement and control of a magnetic gradie...
Patent number
5,237,277
Issue date
Aug 17, 1993
Siemens Aktiengesellschaft
Helmut Lenz
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
MR SYSTEM WITH IMPROVED PROTECTION AGAINST CARDIOSTIMULATION
Publication number
20220196767
Publication date
Jun 23, 2022
Siemens Healthcare GmbH
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Application
MR SYSTEM WITH IMPROVED PROTECTION AGAINST CARDIAC STIMULATION
Publication number
20220179020
Publication date
Jun 9, 2022
Siemens Healthcare GmbH
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SAFETY STRUCTURE OF A MAGNETIC RESONANCE APPARATUS
Publication number
20210356538
Publication date
Nov 18, 2021
Siemens Healthcare GmbH
Dirk Schneiderbanger
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR ACTUATION OF A GRADIENT COIL
Publication number
20210011101
Publication date
Jan 14, 2021
Siemens Healthcare GmbH
Mihail Boguslavskij
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM COMPONENT IN AN IMAGING SYSTEM
Publication number
20200150161
Publication date
May 14, 2020
Siemens Healthcare GmbH
Thorsten Feiweier
G01 - MEASURING TESTING
Information
Patent Application
CIRCUIT ARRANGEMENT FOR AN MRT SYSTEM, MRT SYSTEM AND METHOD FOR OP...
Publication number
20190137580
Publication date
May 9, 2019
Siemens Healthcare GmbH
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Application
MONITORING OF A TEMPORAL CHANGE IN A MAGNETIC FIELD IN A MAGNETIC R...
Publication number
20180074138
Publication date
Mar 15, 2018
Wolfgang Bielmeier
G01 - MEASURING TESTING
Information
Patent Application
CIRCUIT ARRANGEMENT, GRADIENT AMPLIFIER, AND METHOD FOR COMPENSATIN...
Publication number
20170234950
Publication date
Aug 17, 2017
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Application
Suppressing Offset, Offset Drift, and 1/f Noise During Analog/Digit...
Publication number
20150263750
Publication date
Sep 17, 2015
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CONTROLLING GRADIENT COILS TAKING THE INDUCTIVE COUPLING INTO ACCOUNT
Publication number
20130181713
Publication date
Jul 18, 2013
SIEMENS AKTIENGESELLSCHAFT
Eva Eberlein
G01 - MEASURING TESTING
Information
Patent Application
CONTROL APPARATUS WITH DIFFERENTIAL CONTROL IN A MAGNETICALLY COUPL...
Publication number
20130099848
Publication date
Apr 25, 2013
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHOD FOR SUPPLYING POWER TO AN INDUCTIVE LOAD
Publication number
20090026840
Publication date
Jan 29, 2009
Helmut Lenz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Electric Amplifier and Method for the Control Thereof
Publication number
20080012636
Publication date
Jan 17, 2008
SIEMENS AKTIENGESELLSCHAFT
Helmut Lenz
G01 - MEASURING TESTING
Information
Patent Application
Method for generating a modulator input signal and premodulator
Publication number
20070262892
Publication date
Nov 15, 2007
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Amplifier having a regulation system controlled by the output stage
Publication number
20070075773
Publication date
Apr 5, 2007
Helmut Lenz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Stabilization circuit for compensating fluctuations in a voltage at...
Publication number
20030080629
Publication date
May 1, 2003
Helmut Lenz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...