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GRAY COMPANY INC

Overview
  • Total Patents
    22
About

GRAY COMPANY INC has a total of 22 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, mechanical elements and engines, pumps and turbines are GYROMAT CORP, DEVILBISS CO and CLEARMAN JACK F.

Patent filings in countries

World map showing GRAY COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 4
#3 Germany 2

Patent filings per year

Chart showing GRAY COMPANY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Russell J 8
#2 R Russinik Michael 2
#3 Lehrke Kenneth E 1
#4 E Parke Robert 1
#5 Du Four Arthur W 1
#6 Eull Marvin J 1
#7 Murphy Charles F 1
#8 Kiefer Leo A 1
#9 De Forest Edgar A 1
#10 Vork William D 1

Latest patents

Publication Filing date Title
GB1214343A Improvements in and relating to spray apparatus
GB1186336A Fluid Pressure Actuated Diaphragm Pump
US3415274A Control apparatus for fluid distribution system
US3362644A Safety device for airless spray guns
US3322403A Agitator
US3327949A Spray gun
US3116882A Turret-nozzle for paint spray guns
US2865540A Grease dispenser
US2846123A Liquid handling apparatus for delivering paints and other liquid materials to spray guns
US2623469A Gear pump
US2659937A Retractable hose-supporting means for lubrication lifts
US2557785A Nondrip fluid-pressure-opened discharge nozzle valve
US2564686A Valve
US2499061A Lubricant-dispensing apparatus
US2510972A Lubricant-dispensing apparatus
US2312091A Apparatus for cleaning automobile engines
US1751323A Grease gun
US1704179A Grease gun