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ALFRED HOFMANN INC

Overview
  • Total Patents
    21
About

ALFRED HOFMANN INC has a total of 21 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper and machines are KARL LIEBERKNECHT INC, KIRKLAND & CO LTD A and WILDMAN FRANK B.

Patent filings in countries

World map showing ALFRED HOFMANN INCs patent filings in countries
# Country Total Patents
#1 United States 21

Patent filings per year

Chart showing ALFRED HOFMANN INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Alfred Hofmann 6
#2 Max Wachtler Friedrich 4
#3 Trutner Donald G 3
#4 Knox Horace B 2
#5 Straussberger Hans J 2
#6 Walter Hartmann 2
#7 Feustel Ernest A 2
#8 Peter Schoenster 1
#9 Turtner Donald G 1
#10 Frischman Hans M 1

Latest patents

Publication Filing date Title
US2401531A Mechanism for setting up welt bars and welt rods in flat knitting machines
US2281569A Flat knitting hosiery machine
US2362485A Fabric tensioning method and means
US2357852A Selvedge formation in reinforced widened heel of stocking blanks
US2396263A Welt turning attachment
US2310368A Welt mechanism for knitting machines
US2270881A Wareroller strap device
US2325208A Welt hook
US2300830A Automatic drawoff and automatic tensioning device for full-fashioned knitting machines
US2268750A Welt hook
US2247611A Knitting machine sinker
US2303412A Welt turning and fabric take-up attachment for full-fashioned hosiery knitting machines
US2241779A Plating attachment for full-fashioned knitting machines
US2228627A Yarn carrier for hosiery knitting machines
US2387780A Forming of welts in straight knitting machines
US2363000A Forming of welts in straight knitting machines
US2084905A Knitting machine
US2014574A Stop mechanism
US2023520A Hosiery
US1994476A Knitting machine