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FREDERICK C STEVENS

Overview
  • Total Patents
    40
About

FREDERICK C STEVENS has a total of 40 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, electrical machinery and energy and macromolecular chemistry and polymers are HASTINGS RUBEN CHRISTOPHER MIL, AUTOMATIC ELECTRIC CO and RATES TECHNOLOGY INC.

Patent filings in countries

World map showing FREDERICK C STEVENSs patent filings in countries
# Country Total Patents
#1 United States 40

Patent filings per year

Chart showing FREDERICK C STEVENSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clement Edward E 29
#2 Babcock Garrison 2
#3 Wright Joseph Lane 2
#4 Wright Joseph L 2
#5 Moore Charles C 2
#6 Land Edmund 1
#7 Fisher Frank L 1
#8 Smith Clyde 1
#9 North Charles H 1

Latest patents

Publication Filing date Title
US1109511A Telephone-exchange system.
US1133787A Relay device.
US1156801A Manufacture of starch.
US1133786A Multiple-contact relay.
US1137372A Telephone-exchange system.
US1224951A Process of making starch and products thereof.
US1137360A Telephone system.
US1145109A Telephone system.
US1107154A Telephone-exchange system.
US1091193A Telephone-exchange system.
US1107151A Telephone-exchange system.
US1109619A Telephone-exchange system.
US1107150A Telephone-exchange system.
US1107149A Selective apparatus for systems of communication.
US1107148A Telephone-exchange system.
US1109618A Telephone-exchange system.
US1107146A Telephone-exchange system.
US1107147A Telephone-exchange system.
US1109617A Telephone-exchange system.
US1107145A Telephone-exchange system.