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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 21 | |
#2 | United Kingdom | 6 | |
#3 | Switzerland | 3 | |
#4 | Germany | 3 | |
#5 | France | 3 | |
#6 | Japan | 3 | |
#7 | Spain | 2 | |
#8 | Italy | 2 | |
#9 | Canada | 1 | |
#10 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines | |
#3 | Engines, pumps and turbines | |
#4 | Measurement | |
#5 | Chemical engineering | |
#6 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Unspecified technologies | |
#3 | Machines | |
#4 | Pistons and sealings | |
#5 | Testing of structures | |
#6 | Mixing | |
#7 | Unspecified technologies | |
#8 | Steam engine plants | |
#9 | Chemical or physical processes | |
#10 | Preheating for stem generation |
# | 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 |
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 |