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PARKER HANNIFIN CORP

Overview
  • Total Patents
    4,222
  • GoodIP Patent Rank
    1,895
  • Filing trend
    ⇩ 7.0%
About

PARKER HANNIFIN CORP has a total of 4,222 patent applications. It decreased the IP activity by 7.0%. Its first patent ever was published in 1953. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and chemical engineering are PARKER-HANNIFIN CORP, JAUHOLA LAURI and WILKERSON CORP.

Patent filings per year

Chart showing PARKER HANNIFIN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bunyan Michael H 109
#2 Stone Walter H 65
#3 Clausen Michael D 55
#4 Watchko George R 50
#5 Zhang Hao 43
#6 Knight Steven R 42
#7 Jelinek Jerry G 41
#8 Fisher William C 40
#9 Farris Ryan 38
#10 Simmons Harold C 37

Latest patents

Publication Filing date Title
WO2021080743A1 Filter element retention lock
WO2021061521A1 Star pleating with inside out flow having water drainage through the center
WO2021055527A1 Pump system with over-temperature prevention
WO2021041594A1 Metal-organic framework (mof) materials for superior refrigerant drying performance
WO2021041359A1 Surface acoustic wave sensor for refrigerant leakage detection
WO2021041229A1 Enhanced fuel water separation using structural embossing
WO2021041210A1 Filter element and associated filter media providing fuel water separation using surface embossing
WO2021030086A1 Two stage actuator for powered mobilitity assistance devices with electrical isolation
US2021060745A1 Seal installation tool
WO2021066917A1 Electric motor with enhanced thermal characteristics
WO2021011155A1 Electric motor with integrated hydraulic pump and motor controller
EP3757429A1 Eddy current damper for power take-off gear rattle abatement
WO2021011152A1 Sparging evaporator with porous media for fuel enrichment in catalytic inerting system
US2021048354A1 Electroactive Polymer Pressure Sensor for Load Measurement
US2021046797A1 Method and device for detecting vehicle turning
US2021025524A1 Threaded coupling with under-torque prevention
WO2021066892A1 Dual architecture for an electro-hydraulic drive system, machine and method for controlling a machine with an for an electro-hydraulic drive system
WO2021029940A1 Electro-hydraulic drive system for a machine, machine with an electro-hydraulic drive system and method for controlling an electro-hydraulic drive system
WO2020251770A1 Threaded coupling assemblies for interconnecting fluid-carrying conduits
WO2020263479A1 Power transfer unit with breakout friction reduction and leakage reduction