Auto-transformers

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H01F30/02

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HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F30/00Fixed transformers not covered by group H01F19/00

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H01F30/02Auto-transformers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Autotransformer, autotransformer-rectifier unit and method for conn...
- Patent number 12,266,469
- Issue date Apr 1, 2025
- SAFRAN
- Rémy Biaujaud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer and method of generating multiple multiphase output sig...
- Patent number 11,967,453
- Issue date Apr 23, 2024
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply multi-tapped autotransformer
- Patent number 11,749,454
- Issue date Sep 5, 2023
- Infineon Technologies Austria AG
- Roberto Rizzolatti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Autotransformer rectifier unit system
- Patent number 11,670,447
- Issue date Jun 6, 2023
- Hamilton Sundstrand Corporation
- Ponggorn Kulsangcharoen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Asymmetric 24-pulse autotransformer rectifier unit for turboelectri...
- Patent number 11,581,131
- Issue date Feb 14, 2023
- ELDEC Corporation
- Travis Sitton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase-shift autotransformer, multi-pulse rectifier systems and fast...
- Patent number 11,450,477
- Issue date Sep 20, 2022
- KARMA AUTOMOTIVE LLC
- Xiaohang Yu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power system architecture with reduced common mode voltage
- Patent number 11,277,075
- Issue date Mar 15, 2022
- The Boeing Company
- Jian Huang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Power converters, power distribution systems and methods of convert...
- Patent number 11,228,254
- Issue date Jan 18, 2022
- Hamilton Sundstrand Corporation
- Frank Z. Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ten-phase auto transformer rectifier unit
- Patent number 11,120,939
- Issue date Sep 14, 2021
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Autotransformer rectifier unit with multiple alternating current le...
- Patent number 10,950,382
- Issue date Mar 16, 2021
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Toroidal hand-held autotransformer assembly
- Patent number 10,832,850
- Issue date Nov 10, 2020
- Radyne Corporation
- Roberto Bernardo Benedicto Ovando
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power amplifier
- Patent number 10,826,446
- Issue date Nov 3, 2020
- NXP B.V.
- Amin Hamidian
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power converters, power distribution systems and methods of convert...
- Patent number 10,742,133
- Issue date Aug 11, 2020
- HAMILTON SUNSTRAND CORPORATION
- Frank Z. Feng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
72-pulse AC-DC converter for power quality improvement
- Patent number 10,720,854
- Issue date Jul 21, 2020
- Rohollah Abdollahi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage step-up autotransformer, and AC-to-DC converter comprising...
- Patent number 10,665,384
- Issue date May 26, 2020
- Thales
- Mathieu Mairie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Winding module, hybrid transformer, module and circuit for DC-DC po...
- Patent number 10,403,428
- Issue date Sep 3, 2019
- Infineon Technologies Austria AG
- Christian Rainer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Symmetrical step-up and step-down autotransformer delta topology
- Patent number 10,312,017
- Issue date Jun 4, 2019
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impedance matching circuit for radio-frequency amplifier
- Patent number 10,263,594
- Issue date Apr 16, 2019
- Skyworks Solutions, Inc.
- Aleksey A. Lyalin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Autotransformer rectifier unit
- Patent number 10,199,161
- Issue date Feb 5, 2019
- GOODRICH CONTROL SYSTEMS
- Virgilio Valdivia-Guerrero
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Cooling assembly for an aircraft provided with a fan
- Patent number 10,131,434
- Issue date Nov 20, 2018
- Technofan
- Pascal Rollin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-phase autotransformer
- Patent number 10,049,811
- Issue date Aug 14, 2018
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube high voltage connector with integrated heating transformer
- Patent number 10,014,623
- Issue date Jul 3, 2018
- General Electric Company
- Philippe Ernest
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Printed circuit board assembly for filtering noise of network signa...
- Patent number 9,985,600
- Issue date May 29, 2018
- FOXCONN INTERCONNECT TECHNOLOGY LIMITED
- Yong-Chun Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Directional coupler
- Patent number 9,847,567
- Issue date Dec 19, 2017
- Siemens Aktiengesellschaft
- Ralph Oppelt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Autotransformer-based impedance matching circuits and methods for r...
- Patent number 9,660,606
- Issue date May 23, 2017
- Skyworks Solutions, Inc.
- Aleksey A. Lyalin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Symmetrical step-up and step-down autotransformer delta topology
- Patent number 9,601,258
- Issue date Mar 21, 2017
- The Boeing Company
- Jian Huang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Single-phase electric furnace transformer
- Patent number 9,431,167
- Issue date Aug 30, 2016
- Alstom Technology Limited
- Junjun Guan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Autotransformer system reducing total harmonic distortion
- Patent number 9,124,169
- Issue date Sep 1, 2015
- Unico, Inc.
- Mark E. Garlow
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Composite AC-to-DC power converter with boosting capabilities
- Patent number 9,077,237
- Issue date Jul 7, 2015
- Honeywell International Inc.
- Evgeni Ganev
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-level parallel power converters
- Patent number 8,885,371
- Issue date Nov 11, 2014
- Astec International Limited
- Piotr Markowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER CONVERTER WITH MULTI-TAPPED AUTOTRANSFORMER
- Publication number 20250202353
- Publication date Jun 19, 2025
- Infineon Technologies Austria AG
- Roberto Rizzolatti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEW BROADBAND BALUN STRUCTURES AND APPLICATIONS THEREOF
- Publication number 20250047255
- Publication date Feb 6, 2025
- NANKAI UNIVERSITY
- Xudong WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER AND METHOD OF GENERATING MULTIPLE MULTIPHASE OUTPUT SIG...
- Publication number 20240274350
- Publication date Aug 15, 2024
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Integrated auto-transformer based zero or 180 degrees phase shifter
- Publication number 20240120148
- Publication date Apr 11, 2024
- NXP B.V.
- Vinicius Azevedo de Souza e Vecchia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HEAT TRANSFER FROM TRANSFORMER WINDINGS
- Publication number 20230395313
- Publication date Dec 7, 2023
- HAMILTON SUNDSTRAND CORPORATION
- Ponggorn KULSANGCHAROEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTOTRANSFORMER, AUTOTRANSFORMER-RECTIFIER UNIT AND METHOD FOR CONN...
- Publication number 20230274877
- Publication date Aug 31, 2023
- SAFRAN
- Rémy BIAUJAUD
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHASE-SHIFT AUTOTRANSFORMER, MULTI-PULSE RECTIFIER SYSTEMS AND FAST...
- Publication number 20220399162
- Publication date Dec 15, 2022
- Karma Automotive LLC
- Xiaohang YU
- B60 - VEHICLES IN GENERAL
Information Patent Application
ASYMMETRIC 24-PULSE AUTOTRANSFORMER RECTIFIER UNIT FOR TURBOELECTRI...
- Publication number 20220208444
- Publication date Jun 30, 2022
- ELDEC CORPORATION
- Travis Sitton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTOTRANSFORMER RECTIFIER UNIT WINDING ARRANGEMENT
- Publication number 20210319945
- Publication date Oct 14, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Ponggorn KULSANGCHAROEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTOTRANSFORMER RECTIFIER UNIT SYSTEM
- Publication number 20210319949
- Publication date Oct 14, 2021
- HAMILTON SUNDSTRAND CORPORATION
- Ponggorn KULSANGCHAROEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHASE-SHIFT AUTOTRANSFORMER, MULTI-PULSE RECTIFIER SYSTEMS AND FAST...
- Publication number 20210304958
- Publication date Sep 30, 2021
- Karma Automotive LLC
- Xiaohang YU
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER SYSTEM ARCHITECTURE WITH REDUCED COMMON MODE VOLTAGE
- Publication number 20210218340
- Publication date Jul 15, 2021
- The Boeing Company
- Jian Huang
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Ten-Phase Auto Transformer Rectifier Unit
- Publication number 20210098188
- Publication date Apr 1, 2021
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY MULTI-TAPPED AUTOTRANSFORMER
- Publication number 20200343040
- Publication date Oct 29, 2020
- Infineon Technologies Austria AG
- Roberto RIZZOLATTI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER AND METHOD OF GENERATING MULTIPLE MULTIPHASE OUTPUT SIG...
- Publication number 20200335271
- Publication date Oct 22, 2020
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTERS, POWER DISTRIBUTION SYSTEMS AND METHODS OF CONVERT...
- Publication number 20200287475
- Publication date Sep 10, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Frank Z. Feng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTERS, POWER DISTRIBUTION SYSTEMS AND METHODS OF CONVERT...
- Publication number 20200244179
- Publication date Jul 30, 2020
- HAMILTON SUNDSTRAND CORPORATION
- Frank Z. Feng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
72-PULSE AC-DC CONVERTER FOR POWER QUALITY IMPROVEMENT
- Publication number 20200052574
- Publication date Feb 13, 2020
- Rohollah Abdollahi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER AMPLIFIER
- Publication number 20190334489
- Publication date Oct 31, 2019
- NXP B.V.
- Amin Hamidian
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE STEP-UP AUTOTRANSFORMER, AND AC-TO-DC CONVERTER COMPRISING...
- Publication number 20190035545
- Publication date Jan 31, 2019
- THALES
- Mathieu MAIRIE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AC/DC CONVERTER OF NESTED STRUCTURE
- Publication number 20180337612
- Publication date Nov 22, 2018
- SAFRAN ELECTRICAL & POWER
- Sonia DHOKKAR
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
X-RAY TUBE HIGH VOLTAGE CONNECTOR WITH INTEGRATED HEATING TRANSFORMER
- Publication number 20180145444
- Publication date May 24, 2018
- GENERAL ELECTRIC COMPANY
- Philippe Ernest
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMPEDANCE MATCHING CIRCUIT FOR RADIO-FREQUENCY AMPLIFIER
- Publication number 20180006626
- Publication date Jan 4, 2018
- SKYWORKS SOLUTIONS, INC.
- Aleksey A. LYALIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AN ELECTRIC FENCE ENERGISER SYSTEM AND METHODS OF OPERATION AND COM...
- Publication number 20170303375
- Publication date Oct 19, 2017
- TRU-TEST LIMITED
- Robert Charles Bryan WOODHEAD
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTOTRANSFORMER RECTIFIER UNIT
- Publication number 20170250023
- Publication date Aug 31, 2017
- Goodrich Control Systems
- Virgilio VALDIVIA-GUERRERO
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
SYMMETRICAL STEP-UP AND STEP-DOWN AUTOTRANSFORMER DELTA TOPOLOGY
- Publication number 20170148566
- Publication date May 25, 2017
- The Boeing Company
- Jian Huang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
T-CONNECTED AUTOTRANSFORMER BASED CONVERTER PROVIDING REDUCED RATIN...
- Publication number 20170141696
- Publication date May 18, 2017
- Rohollah Abdollahi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Multi-Phase Autotransformer
- Publication number 20160276099
- Publication date Sep 22, 2016
- The Boeing Company
- Jian Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SINGLE-PHASE ELECTRIC FURNACE TRANSFORMER
- Publication number 20150287526
- Publication date Oct 8, 2015
- ALSTOM TECHNOLOGY LIMITED
- Junjun Guan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Directional Coupler
- Publication number 20150244054
- Publication date Aug 27, 2015
- Ralph Oppelt
- G01 - MEASURING TESTING

Auto-transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Autotransformer, autotransformer-rectifier unit and method for conn...

Transformer and method of generating multiple multiphase output sig...

Power supply multi-tapped autotransformer

Autotransformer rectifier unit system

Asymmetric 24-pulse autotransformer rectifier unit for turboelectri...

Phase-shift autotransformer, multi-pulse rectifier systems and fast...

Power system architecture with reduced common mode voltage

Power converters, power distribution systems and methods of convert...

Ten-phase auto transformer rectifier unit

Autotransformer rectifier unit with multiple alternating current le...

Toroidal hand-held autotransformer assembly

Power amplifier

Power converters, power distribution systems and methods of convert...

72-pulse AC-DC converter for power quality improvement

Voltage step-up autotransformer, and AC-to-DC converter comprising...

Winding module, hybrid transformer, module and circuit for DC-DC po...

Symmetrical step-up and step-down autotransformer delta topology

Impedance matching circuit for radio-frequency amplifier

Autotransformer rectifier unit

Cooling assembly for an aircraft provided with a fan

Multi-phase autotransformer

X-ray tube high voltage connector with integrated heating transformer

Printed circuit board assembly for filtering noise of network signa...

Directional coupler

Autotransformer-based impedance matching circuits and methods for r...

Symmetrical step-up and step-down autotransformer delta topology

Single-phase electric furnace transformer

Autotransformer system reducing total harmonic distortion

Composite AC-to-DC power converter with boosting capabilities

Multi-level parallel power converters

Patents Applicationslast 30 patents

POWER CONVERTER WITH MULTI-TAPPED AUTOTRANSFORMER

NEW BROADBAND BALUN STRUCTURES AND APPLICATIONS THEREOF

TRANSFORMER AND METHOD OF GENERATING MULTIPLE MULTIPHASE OUTPUT SIG...

Integrated auto-transformer based zero or 180 degrees phase shifter

HEAT TRANSFER FROM TRANSFORMER WINDINGS

AUTOTRANSFORMER, AUTOTRANSFORMER-RECTIFIER UNIT AND METHOD FOR CONN...

PHASE-SHIFT AUTOTRANSFORMER, MULTI-PULSE RECTIFIER SYSTEMS AND FAST...

ASYMMETRIC 24-PULSE AUTOTRANSFORMER RECTIFIER UNIT FOR TURBOELECTRI...

AUTOTRANSFORMER RECTIFIER UNIT WINDING ARRANGEMENT

AUTOTRANSFORMER RECTIFIER UNIT SYSTEM

PHASE-SHIFT AUTOTRANSFORMER, MULTI-PULSE RECTIFIER SYSTEMS AND FAST...

POWER SYSTEM ARCHITECTURE WITH REDUCED COMMON MODE VOLTAGE

Ten-Phase Auto Transformer Rectifier Unit

POWER SUPPLY MULTI-TAPPED AUTOTRANSFORMER

TRANSFORMER AND METHOD OF GENERATING MULTIPLE MULTIPHASE OUTPUT SIG...

POWER CONVERTERS, POWER DISTRIBUTION SYSTEMS AND METHODS OF CONVERT...

POWER CONVERTERS, POWER DISTRIBUTION SYSTEMS AND METHODS OF CONVERT...

72-PULSE AC-DC CONVERTER FOR POWER QUALITY IMPROVEMENT

POWER AMPLIFIER

VOLTAGE STEP-UP AUTOTRANSFORMER, AND AC-TO-DC CONVERTER COMPRISING...

AC/DC CONVERTER OF NESTED STRUCTURE

X-RAY TUBE HIGH VOLTAGE CONNECTOR WITH INTEGRATED HEATING TRANSFORMER

IMPEDANCE MATCHING CIRCUIT FOR RADIO-FREQUENCY AMPLIFIER

AN ELECTRIC FENCE ENERGISER SYSTEM AND METHODS OF OPERATION AND COM...

AUTOTRANSFORMER RECTIFIER UNIT

SYMMETRICAL STEP-UP AND STEP-DOWN AUTOTRANSFORMER DELTA TOPOLOGY

T-CONNECTED AUTOTRANSFORMER BASED CONVERTER PROVIDING REDUCED RATIN...

Multi-Phase Autotransformer

SINGLE-PHASE ELECTRIC FURNACE TRANSFORMER

Directional Coupler