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HUMPHREY & SONS

Overview
  • Total Patents
    16
About

HUMPHREY & SONS has a total of 16 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and mechanical elements are LIGHT METALS CORP, JOHN ROBERTSON CO INC and KERR WALLACE E.

Patent filings in countries

World map showing HUMPHREY & SONSs patent filings in countries
# Country Total Patents
#1 United States 16

Patent filings per year

Chart showing HUMPHREY & SONSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reece Juan H 12
#2 Humphrey Harry B 4

Latest patents

Publication Filing date Title
US1084110A Wire-drawing appliance.
US1052173A Air-valve.
US1117603A Wire-wiping apparatus.
US1027357A Wire-drawing block.
US944346A Clutch for wire-blocks.
US944345A Mechanism for operating wire-blocks.
US929985A Wire-die safety appliance.
US909117A Guard for wire-blocks.
US922814A Gripper for wire.
US961449A Wire-drawing block.
US878236A Wire-die safety appliance.
US878235A Automatic safety appliance for wire-reels.
US905077A Wiredrawing-block.
US878290A Wire-annealing furnace.
US878289A Wire-baking oven.
US827883A Grinding-mill.