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WELCH CLARENCE R

Overview
  • Total Patents
    13
About

WELCH CLARENCE R has a total of 13 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States. Its main competitors in its focus markets packaging and shipping, machines and transport are MAXTON MFG CO, LIN GUOBIN and ELEVATOR EQUIP.

Patent filings in countries

World map showing WELCH CLARENCE Rs patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing WELCH CLARENCE Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Welch Clarence R 13

Latest patents

Publication Filing date Title
US1558955A Safety device for hoists
US1543138A Hoisting-engine controller
US1391708A Pneumatic rock-drill
US1452581A Rock drill
US1342728A Lock for steering-posts of automobiles
US1331084A Automobile-lock
US1359213A Automobile-lock
US1150722A Controlling apparatus for hoisting-engines.
US1150721A Controlling apparatus for hoisting-engines.
US1150720A Controlling apparatus for hoisting-engines.
US1108044A Controlling apparatus for hoisting-engines.
US965779A Controlling apparatus for hoisting-engines.
US888946A Governor attachment.