Learn more

WELCH HENRY H

Overview
  • Total Patents
    20
About

WELCH HENRY H has a total of 20 patent applications. Its first patent ever was published in 1904. It filed its patents most often in Italy and United States. Its main competitors in its focus markets measurement, machines and consumer goods are CMI INC, ZYNOCYTE LTD and JESMA MATADOR AS.

Patent filings in countries

World map showing WELCH HENRY Hs patent filings in countries
# Country Total Patents
#1 Italy 15
#2 United States 5

Patent filings per year

Chart showing WELCH HENRY Hs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Machines
#3 Consumer goods

Top inventors

# Name Total Patents
#1 Welch Henry H 10
#2 Welch Henry Hugh 3
#3 Felici Corindo 1
#4 Cirillo Alessandro 1

Latest patents

Publication Filing date Title
US4359447A Automatic multichannel apparatus for performing emergency analyses, in particular chemical-clinical analyses on biological fluids
US4259288A Automatic multichannel apparatus for performing analyses on fluids, in particular for performing clinical-chemistry analyses on biological liquids
IT7849831D0 Appts. for automatic liq. analysis - with rotatable sample and analyser plates, and cam-controlled sample transfer heads
US4170625A Automatic analyzer device for carrying out chemical-clinical and kinetic-enzymatic analyses on fluids, particularly biological fluids
US4269327A Device for carrying out high precision dilutions and dosages of liquids, particularly biological liquids
US806444A Trousers press and stretcher.