Inventor
SCHAFMEISTER FRANK
DE17 patents
⚠️ This page may combine multiple inventors who share the name “SCHAFMEISTER FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DET INT HOLDING LTD
8 patentsUS10291142B2May 14, 2019
LLC balancing
DET INT HOLDING LTD1 citations69
US9705416B2Jul 11, 2017
LLC balancing
DET INT HOLDING LTD2 citations69
US9263951B2Feb 16, 2016
LLC balancing
DET INT HOLDING LTD4 citations69
US10230298B2Mar 12, 2019
Resistorless precharging
DET INT HOLDING LTD2 citations68
US9935561B2Apr 3, 2018
Adaptable input phase switching
DET INT HOLDING LTD6 citations68
US9859786B2Jan 2, 2018
Resistorless precharging
DET INT HOLDING LTD3 citations68
US10083791B2Sep 25, 2018
Integrated magnetics for soft switching converter
DET INT HOLDING LTD4 citations65
US10523006B2Dec 31, 2019
Controller for an inverter
DET INT HOLDING LTD0 citations40
DELTA ELECTRONICS THAILAND PUBLIC CO LTD
6 patentsUS12113435B2Oct 8, 2024
Active-clamp forward converter with regenerative snubber
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations53
US11664725B2May 30, 2023
Power balancing in interleaved LLC converters via duty cycle variation
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations46
US12456927B2Oct 28, 2025
On-the-fly topology morphing for frequency-multiplier half-bridge operation
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations45
US12119752B2Oct 15, 2024
Alternating asymmetrical phase-shift modulation
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations45
US10884034B2Jan 5, 2021
Current measurement circuit
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations45
US12451812B2Oct 21, 2025
Isolated full-bridge converter
DELTA ELECTRONICS THAILAND PUBLIC CO LTD0 citations42