Inventor
HUEMPFNER ROLAND
DE10 patents
⚠️ This page may combine multiple inventors who share the name “HUEMPFNER ROLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUAWEI DIGITAL POWER TECH CO LTD
5 patentsUS11316426B2Apr 26, 2022
Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy device
HUAWEI DIGITAL POWER TECH CO LTD4 citations68
US12074444B2Aug 27, 2024
Power system
HUAWEI DIGITAL POWER TECH CO LTD1 citations62
US11652408B2May 16, 2023
Power converter used in a renewable energy device such as a photo-voltaic device or a wind energy device
HUAWEI DIGITAL POWER TECH CO LTD0 citations58
US12051905B2Jul 30, 2024
Power system
HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12443256B2Oct 14, 2025
Power supply system for a data centre
HUAWEI DIGITAL POWER TECH CO LTD0 citations47
HUAWEI TECH CO LTD
3 patentsSIEMENS AG
2 patentsUS5949662ASep 7, 1999
No-break power supply
SIEMENS AG48 citations86
US5471377ANov 28, 1995
Process for controlling a power supply which supplies power to an electrostatic filter in which secondary circuit states are determined based on measured primary circuit values and in which short circuits are detected
SIEMENS AG17 citations72