Learn more

DIEHL ALBERT CHRISTIAN

Overview
  • Total Patents
    15
About

DIEHL ALBERT CHRISTIAN has a total of 15 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Spain, United Kingdom and Switzerland. Its main competitors in its focus markets audio-visual technology are EPISHKIN YURIJ S, EFUTI GIKEN CO LTD and IRWIN MAGNETIC SYSTEMS INC.

Patent filings in countries

World map showing DIEHL ALBERT CHRISTIANs patent filings in countries
# Country Total Patents
#1 Spain 4
#2 United Kingdom 4
#3 Switzerland 3
#4 Austria 2
#5 Denmark 2

Patent filings per year

Chart showing DIEHL ALBERT CHRISTIANs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Focus technologies

# Technology
#1 Special information storage

Top inventors

# Name Total Patents
#1 Diehl Albert Christian 8
#2 Albert Christian Diehl 3

Latest patents

Publication Filing date Title
GB125902A Improvements in Soundboxes for Sound Reproducing and Sound Recording Machines.
GB127182A Improvements in Sound Boxes for Gramophones and the like.
GB191118992A Improvements relating to Talking Machines.
GB191118993A Improvements relating to Talking Machines.