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GROTNES CARL C

Overview
  • Total Patents
    23
About

GROTNES CARL C has a total of 23 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States. Its main competitors in its focus markets machine tools and machines are GREENVILLE TOOL & DIE COMPANY, UMIX CO LTD and REDICON CORP.

Patent filings in countries

World map showing GROTNES CARL Cs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing GROTNES CARL Cs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Grotnes Carl C 23

Latest patents

Publication Filing date Title
US2435306A Expanding die for sizing, curling, and beading metal drums
US2395324A Rolling machine
US2398373A Metalworking machine
US2291803A Shell banding machine
US2352095A Metalworking machine
US2211009A Metalworking machine
US2089476A Metalworking machine
US1975939A Weld trimming machine
US2089475A Machine for forming beads in metallic drums
US2017495A Can closing tool
US1920303A Method of and machine for making wheel rims
US1920302A Metal working machine
US1952857A Method of and machine for rolling beads in annular articles
US1906578A Art of making hub shells and the like
US1853858A Method of and machine for rolling annular metallic articles
US1807980A Metal working machine
US1722418A Metal-working machine
US1767755A Metal-working machine
US1757626A Metal-working machine
US1720833A Machine for rolling rims and other annular objects