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GELDER F

Overview
  • Total Patents
    16
About

GELDER F has a total of 16 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United Kingdom, Ireland and South Africa. Its main competitors in its focus markets control and audio-visual technology are U S STANDARD VOTING MACHINE COMPANY, ISHIYAMA YUKIO and KAGA ELECTRONICS.

Patent filings in countries

World map showing GELDER Fs patent filings in countries
# Country Total Patents
#1 United Kingdom 3
#2 Ireland 3
#3 South Africa 3
#4 Canada 2
#5 Germany 2
#6 Sweden 2
#7 United States 1

Patent filings per year

Chart showing GELDER Fs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Control
#2 Audio-visual technology

Focus technologies

# Technology
#1 Registering devices
#2 Advertising

Top inventors

# Name Total Patents
#1 Gelder F 8

Latest patents

Publication Filing date Title
US3725650A Method and arrangement for optically representing industrial management data
GB1329558A Arrangement for displaying information concerning the personnel of an enterprise
CA923999A Method and arrangement for optically representing industrial management data
CA920251A Arrangement for planning and monitoring a production process