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KARL LIEBERKNECHT INC

Overview
  • Total Patents
    19
About

KARL LIEBERKNECHT INC has a total of 19 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets textiles and paper and machines are KIRKLAND & CO LTD A, WILDMAN FRANK B and BRINTON COMPANY H.

Patent filings in countries

World map showing KARL LIEBERKNECHT INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 2
#3 Canada 1

Patent filings per year

Chart showing KARL LIEBERKNECHT INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zesch Eugene M 7
#2 Albert Friedmann 4
#3 Spindler Kurt P 2
#4 Richard Meinig George 1
#5 Pauli August C 1
#6 Rudolph Thierfelder 1
#7 Smetana Otto F 1
#8 Rudolf Harzer Eugene 1
#9 Smetana Otto Frederick 1
#10 Zesch Eugene Max 1

Latest patents

Publication Filing date Title
US2888814A Straight knitting machine operation
US2705409A Yarn carrier for full fashioned knitting machines
US2746274A Carrier rod drive mechanism for straight knitting machines
GB705207A Improvements in or relating to needle press mechanism for straight-bar knitting machines
US2573261A Safety stop mechanism for knitting machines
US2625025A Fabric take-up mechanism
US2581307A Needle press mechanism for straight knitting machines
US2573131A Needle actuating mechanism for straight knitting machines
US2569394A Fabric take-up mechanism for textile machines
US2547898A Welting instrumentality for knitting machines and method of use
US2519991A Welt closing mechanism for straight knitting machines
US2624185A Fabric take-up mechanism for knitting machines
GB642682A Heel fashioning mechanism for straight bar knitting machines
US2432304A Yarn carrier for knitting machines
US2257443A Knitted fabric and method of making it
US2234389A Flat knitting machine
US2204629A Flat knitting machine
US2195578A Full fashioned textile knitting machine
CA459975A Heel fashioning mechanism for straight knitting machines