HANNIFIN CORP has a total of 15 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and machine tools are ROSS OPERATING VALVE COMPANY D, SANDALL PRECISION CO LTD and GORDON CARROLL G.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines | |
#3 | Machine tools | |
#4 | Control |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Servomotors | |
#3 | Unspecified technologies | |
#4 | Venting or aerating devices | |
#5 | Pistons and sealings | |
#6 | Grinding or polishing devices | |
#7 | Punching metal | |
#8 | Lubricating | |
#9 | Forging | |
#10 | Systems controlling non-electric variables |
# | Name | Total Patents |
---|---|---|
#1 | Maha Otto J | 8 |
#2 | Peterson Victor W | 7 |
#3 | Hicks Jr Frederick W | 3 |
#4 | Tucker Warren R | 2 |
#5 | Kraujalis Felix S | 1 |
Publication | Filing date | Title |
---|---|---|
US2821355A | Solenoid valves | |
US2776540A | Hydraulic punching apparatus | |
US2789574A | Fluid pressure regulator | |
US2786452A | Fluid actuated cylinder having fluid cushion means | |
US2825362A | Control valve | |
US2754840A | Valves | |
US2704996A | Fluid operated cylinder with adjustable cushion | |
US2710595A | Fluid operated cylinder with adjustable cushion | |
US2702094A | Lubricator | |
US2616449A | Pilot operated solenoid controlled valve | |
US2612756A | Means for protecting hydraulic pressure presponsive devices from the effects of fluid shock | |
US2528665A | Gasket seal | |
US2495660A | Packing | |
US2439317A | Cylinder honing | |
US2426411A | Pressure control for hydraulic presses |