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LORENTZEN HANS K

Overview
  • Total Patents
    30
About

LORENTZEN HANS K has a total of 30 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and control are KRONENBERG MAX, KUNKEL ALOYSIUS T and ACE STORM WINDOW COMPANY.

Patent filings in countries

World map showing LORENTZEN HANS Ks patent filings in countries
# Country Total Patents
#1 United States 27
#2 Canada 3

Patent filings per year

Chart showing LORENTZEN HANS Ks patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lorentzen Hans K 30

Latest patents

Publication Filing date Title
US2306785A Safety mechanism for presses
US2200510A Venetian blind bracket
US2168417A Head-bar bracket for venetian blinds
US2158826A Head-bar organization for venetian blinds
US2120284A Tilt bar structure for venetian blinds
US2165492A Venetian blind actuating mechanism
US2110710A Venetian blind tilter
US2127125A Venetian blind structure
US2114057A Venetian blind construction
US2083334A Mounting for venetian blinds
US2154909A Venetian blind
US2075214A Venetian blind fitting
US1843951A Display stand
US1836764A Duplicator
US1697074A Receptacle closure
US1754957A Dispensing device for flexible sheet articles
US1685219A Coin box
US1760152A Duplicator
US1645654A Dimmer
US1686978A Coin-controlled vending machine