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WILHELM SIHN JR FA

Overview
  • Total Patents
    14
About

WILHELM SIHN JR FA has a total of 14 patent applications. Its first patent ever was published in 1931. It filed its patents most often in Germany and Switzerland. Its main competitors in its focus markets electrical machinery and energy, telecommunications and mechanical elements are JI HAW OPTO ELECTRICAL KUNSHAN CO LTD, NINGBO BROAD TELECOMMUNICATION CO LTD and VIRGINIA PATENT DEV CORP.

Patent filings in countries

World map showing WILHELM SIHN JR FAs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Switzerland 3

Patent filings per year

Chart showing WILHELM SIHN JR FAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sihn Jr Firma Wilhelm 3

Latest patents

Publication Filing date Title
DE747170C Means for detachable fixing of insulating rollers
DE697666C Device socket
DE663592C Clamp for electrical lines
DE650108C Insulating roll for fixing ladders
DE662074C Method for producing a spark gap, the electrodes of which are held at a certain distance from one another by an insulating piece
DE658910C Electrical connector pin
DE680498C Banana plugs
DE649893C Longitudinally split plug or longitudinally split socket
DE670676C Lightning protection device
DE621986C Insulating roll for fastening lead wires
DE619132C Split connector