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ATWOOD & MORRILL CO INC

Overview
  • Total Patents
    45
About

ATWOOD & MORRILL CO INC has a total of 45 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are ORBIT VALVE CO, CLARKSON CO and ALEXANDER SAMUEL VOLPIN.

Patent filings in countries

World map showing ATWOOD & MORRILL CO INCs patent filings in countries

Patent filings per year

Chart showing ATWOOD & MORRILL CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Prescott Norman F 15
#2 Hose Alexander V 8
#3 Cook Herbert 6
#4 Nooman Efu Puresukotsuto 3
#5 Haabaato Kutsuku 2
#6 Cowley John M 2
#7 Webber Arthur H 2
#8 Alexander Hose 1
#9 Clinton Rule 1
#10 Prescott Norman Farle 1

Latest patents

Publication Filing date Title
US5338496A Plate type pressure-reducting desuperheater
US4770029A Valve testing method and device
JPS5650237A Piston*cylinder assembly
US4024884A Closing assist for valves
ES440636A1 Fluid operated valve
US4043533A Auxiliary closing force for valves
GB1513779A Closing assist for valves
DE2426023A1 STOP VALVE WITH PISTON
US3892381A Fail-safe valve
US3842717A Piston seal
US3531078A Actuator for shut-off valve
US3428090A Shut-off valve
US3190611A Check valve with positive closing means
US3128792A Three-way valve
US3106220A Check valve, with dashpot
GB780175A Plug valve
US2791395A Plug valve
GB758304A Rotary conical plug valves
US2705609A Plug valve
US2599197A Control system for catalytic reactors