Inventor

GROTHOFF AXEL

DE6 patents

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

PREUSSAG AG MINIMAX

3 patents

US11821757B2Nov 21, 2023

Explosion-protected housing for means for transmitting and receiving electromagnetic radiation

PREUSSAG AG MINIMAX0 citations56

US12510385B2Dec 30, 2025

Explosion-protected housing for means for transmitting and receiving electromagnetic radiation

PREUSSAG AG MINIMAX0 citations54

US11804117B2Oct 31, 2023

Subscriber, module of a subscriber and method for configuring a subscriber

PREUSSAG AG MINIMAX0 citations50

MINIMAX GMBH & CO KG

2 patents

US10825312B2Nov 3, 2020

Modular multi-sensor fire- and/or spark detector

MINIMAX GMBH & CO KG1 citations57

US10726707B2Jul 28, 2020

Hazard detector and method for transmitting a hazard signal and system comprising the hazard detector

MINIMAX GMBH & CO KG0 citations36

DITTMER HAUKE

1 patent

US8400314B2Mar 19, 2013

Fire alarm

DITTMER HAUKE3 citations54