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SCHAEFER FREDERIC

Overview
  • Total Patents
    39
About

SCHAEFER FREDERIC has a total of 39 patent applications. Its first patent ever was published in 1906. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machines, mechanical elements and transport are TRIUMPH CONTROLS INC, NAGLE IND INC and AARRE ARNE.

Patent filings in countries

World map showing SCHAEFER FREDERICs patent filings in countries
# Country Total Patents
#1 Canada 29
#2 United States 10

Patent filings per year

Chart showing SCHAEFER FREDERICs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schaefer Frederic 39
#2 Lynch James Alvin 1

Latest patents

Publication Filing date Title
CA192325A Brake rod jaw
CA189413A Method of forming pin eyes in metal bars
CA194724A Connecting bar
US1270059A Method of forming pin-eyes in metal bars.
US1263608A Connecting-bar.
US1259676A Brake-rod jaw.
US1211763A Connecting-bar.
CA168964A Trussed brake lever
CA168965A Brake mechanism
CA163111A Brake mechanism
US1164406A Brake-rod jaw.
US1164405A Trussed brake-lever.
US1240493A Connecting-bar.
US1069582A Electric sign.
US1000694A Removable egg-case partition.
US846626A Controller for electric motors.
CA392867A Connecting pin
CA283001A Brake hanger support
CA406332A Brake beam head
CA243453A Reinforced connecting bar