Inventor

HAHN ALEXANDER

DE64 patents

⚠️ This page may combine multiple inventors who share the name “HAHN ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAHN ALEXANDER

MERCK PATENT GMBH

Liquid-crystalline compounds

Liquid-crystalline compounds

Thiophene compound, liquid-crystalline medium and liquid-crystal display comprising the same

Liquid-crystalline compounds

Process for the preparation of compounds having a CF2O bridge

Oxadiazole derivative and its use as charge transport and light emitting material

Polymerizable compounds and the use thereof in liquid-crystal displays

Device for controlling the passage of energy, containing a dichroic dye compound

Liquid-crystal medium

Thiophene compound, liquid-crystalline medium and liquid-crystal display comprising the same

Polymerizable compounds and the use thereof in liquid-crystal displays

Method for producing compounds having a CF2O bridge

Pyrans as liquid crystals

Polymerisable compounds and the use thereof in liquid-crystal displays

EBM PAPST ST GEORGEN GMBH & CO

Fan motor with digital controller for applying substantially constant driving current

Method of operating an electronically commutated motor, and method for carrying out such a method

Method for controlling or regulating the current in a direct current machine for a fan

Direct current machine with a controllable arrangement for limiting current

Method for limiting the current in an electric motor, and a motor for carrying out one such method

Method for operating an electronically commutated motor, and motor for carrying out one such method

Fan motor with digital controller for applying substantially constant driving current

Apparatus for sensing the absolute-value angle of a shaft

Electronically commutated motor operable directly from AC power network

Electronically commutated motor

Method for commutating an electronically commutated DC motor, and motor for carrying out said method

Arrangement with an electric motor

Arrangement with a contact element

VOLKSWAGEN AG

Instrument panel for media and navigation systems

Instrument panel for media and navigation systems

Method and apparatus for providing a graphical user interface in a vehicle

Method and device for providing a user interface in a vehicle

DRAEXLMAIER LISA GMBH

Method and system for thermally connecting a heat source of a battery system to a heat sink of a battery system

Receiving structure for battery cells and method for producing a receiving structure for battery cells

Heat exchanger for an electrical component in a motor vehicle and production method

Channel for cooling at least one battery cell and method for forming a channel

PAPST MOTOREN GMBH & CO KG

Electronically commutated motor

Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type

Method and apparatus for measuring a frequency datum

SIEMENS AG

Electrolysis stack and electrolyzer

Gas diffusion layer, electrochemical cell having such a gas diffusion layer, and electrolyzer

Bipolar plate for an electrolyzer, electrolyzer and method for producing a bipolar plate

TAUGERBECK ANDREAS

Liquid crystal display

Polymerisable compounds and the use thereof in liquid-crystal displays

EBM PAPST ST GEORGEN GMBH & CO KG

Rotary pump with deformable pump ring

Pump-motor combination having a single common rotor shaft

BACHORSKI TOMASZ

Instrument panel for media and navigation systems

GHODSI-KHAMENEH HASSAN

Electronically commutated motor with nested radially stepped busbars

GHODSI-KAMENEH HASSAN

Metering system

FISCHER DIETER

Converter arrangement having a filter

WAGO VERWALTUNGS GMBH

Safe digital input circuit for decoupling diagnostic outputs