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TH HORN FA DR

Overview
  • Total Patents
    12
About

TH HORN FA DR has a total of 12 patent applications. Its first patent ever was published in 1916. It filed its patents most often in Germany and Austria. Its main competitors in its focus markets measurement and optics are MEA MOTOR INSPECTION LTD, VDO TACHOMETER AG and RECORD ELECTRICAL CO LTD.

Patent filings in countries

World map showing TH HORN FA DRs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Austria 1

Patent filings per year

Chart showing TH HORN FA DRs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Optics

Top inventors

# Name Total Patents
#1 Horn Dr Erhard 2

Latest patents

Publication Filing date Title
DE623035C Variometer
DE615601C Variometer
DE578581C Isolation tester
DE425563C Registration device, in particular for conveyor machines
DE408614C Breakdown of a registration instrument into its two essential parts, namely the writing device and the pointer adjustment system
DE370927C Circuit arrangement for ohmmeter for small resistance measuring ranges
DE346051C Film running time indicator
DE403403C Facility for achieving point-by-point recording
DE507397C Eddy current speedometer
DE402454C Pointer drive of a rotary pendulum tachometer
DE644666C Wind speedometer