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LORENTZEN HARDWARE MFG CORP

Overview
  • Total Patents
    116
About

LORENTZEN HARDWARE MFG CORP has a total of 116 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets civil engineering, machines and machine tools are LAFOND LUC, SANI MASKINER AB and KUNKEL ALOYSIUS T.

Patent filings in countries

World map showing LORENTZEN HARDWARE MFG CORPs patent filings in countries
# Country Total Patents
#1 United States 93
#2 Canada 9
#3 Germany 7
#4 Denmark 4
#5 United Kingdom 3

Patent filings per year

Chart showing LORENTZEN HARDWARE MFG CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harry Nelson 40
#2 Lorentzen Hans K 35
#3 Nelson Harry 15
#4 Anderle Joseph A 7
#5 Nelson Harry H 5
#6 Maurice Schaller 3
#7 Smith Robert L 1
#8 Waltsinger August F 1
#9 Rudolph Cusumano 1
#10 Bond Scott R 1

Latest patents

Publication Filing date Title
US2840210A Guiding channel-shaped bodies
US3043178A Machine for punching venetian blind head bars
US2824606A Cornice fitting
US2901035A Venetian blind hold-down arrangement
US2731111A Cord lock
US2831536A Venetian blind fitting for engaging ladder-tape loops
US2744572A Brace for venetian blind cord locks and head channels
US2890851A Cornice installation and mounting bracket
US2803065A Machine useful in the manufacture of venetian blinds
US2802523A Installation providing movement of venetian blind away from window
US2872976A Cord lock fitting
US2779403A Tilting mechanism for venetian blinds
US2792999A Venetian blind installation bracket
US2861631A Venetian blind bottom bar organization
US2770296A Slat end guide for venetian blinds
US2722363A Carton
US2726448A Cord cutter
US2673608A Venetian blind head bar construction and fitting
US2651358A End brace for venetian blind head bars
US2637382A Venetian blind bar organization and fitting