Learn more

HANCOCK HENRY

Overview
  • Total Patents
    13
About

HANCOCK HENRY has a total of 13 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, textiles and paper and machines are ISLE FIRESTOP LTD, MARTIN LEATHERMAN and INST INŻYNIERII MATERIAŁÓW POLIMEROWYCH I BARWNIKÓW.

Patent filings in countries

World map showing HANCOCK HENRYs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 2
#3 Germany 1
#4 France 1
#5 Netherlands 1

Patent filings per year

Chart showing HANCOCK HENRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hancock Henry 9
#2 Joseph Glatter-Gotz 2
#3 Walters David 1

Latest patents

Publication Filing date Title
US4532278A Fire retardant polyolefin fibers and fabrics
US4397759A Fire retardant for polyolefins
US4237157A Process for making fire retardant polypropylene
US4139476A Fire retardant polyolefins
US2633047A Differential tremulant
US2633046A Reservoir for pipe or reed organs
US1192624A Device for holding railway-rails.
US1040194A Tamping-machine.
GB190714174A A New Method of Lowering and Raising Painters' Cradles
GB190107676A Improved Guide for Placing Trolleys on Trolley Wires