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LJUNGGREN CARL J

Overview
  • Total Patents
    19
About

LJUNGGREN CARL J has a total of 19 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and furniture and games are FINEFFE SPA, GULBRANDSEN JONNY and HYGIAPHONE VB.

Patent filings in countries

World map showing LJUNGGREN CARL Js patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 2

Patent filings per year

Chart showing LJUNGGREN CARL Js patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Furniture and games

Focus technologies

# Technology
#1 Safes
#2 Household appliances

Top inventors

# Name Total Patents
#1 Ljunggren Carl J 19

Latest patents

Publication Filing date Title
US994013A Closure-locking means.
US1002409A Closure-locking means.
US977647A Closure-locking means.
US991448A Closure-locking means.
US977646A Closure-locking means.
US975546A Closure-locking means.
US1002287A Closure-locking means.
US957354A Closure-locking means.
US957355A Closure-locking means.
US974897A Closure-locking means.
CA126483A Communion cup
US1031858A Hygienic chalice.
US960977A Chalice.
US994683A Chalice.
US1028752A Hygienic chalice.
US1118364A Hygienic chalice.
US1067183A Hygienic communion-chalice.
US1006242A Closure-locking means.
CA114284A Hose support