Patent assignee · US · COMPANY

FLUID HANDLING LLC

53Patents
53Active
53Granted
57Portfolio score

Filing activity: Dec 30, 2010 → Jan 17, 2023 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8700221B2 Method and apparatus for pump control using varying equivalent system characteristic curve, AKA an adaptive control curve Mechanical Engineering; Lighting; Heating 29 Active
USD686699S1 Balancing valve General 21 Active
USD706394S1 Combined balancing scale and knob for a balancing valve General 6 Active
US9016140B2 Valve having rotatable valve ball with calibrated orifice and coaxial upstream/downstream ports and angled taps to measure upstream/downstream pressures for flow measurement Emerging Cross-Sectional Technologies 6 Active
US9366582B2 Combination isolation valve and check valve with integral flow rate, pressure, and/or temperature measurement Emerging Cross-Sectional Technologies 4 Active
US9611856B2 Mixed theoretical and discrete sensorless converter for pump differential pressure and flow monitoring Mechanical Engineering; Lighting; Heating 3 Active
US9897084B2 Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping system Physics 2 Active
US10823176B2 Variable speed pumping control system with active temperature and vibration monitoring and control means Mechanical Engineering; Lighting; Heating 2 Active
US9938970B2 Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring Physics 2 Active
US9170137B2 Rotatable orifice plate for direct flow measurement Emerging Cross-Sectional Technologies 2 Active
US11022985B2 Discrete valve flow rate converter Mechanical Engineering; Lighting; Heating 1 Active
US10920769B2 Pump cloud-based management and control technique customized hydronic components Physics 1 Active
US10443880B2 Combined isolation valve and check valve with integral flow rate pressure, and/or temperature measurement and field configurability Emerging Cross-Sectional Technologies 1 Active
US10533570B2 Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump Mechanical Engineering; Lighting; Heating 1 Active
US11209007B2 Converting mechanical energy from vibration into electrical energy to power a circuit board for condition monitoring of rotating machinery Electricity 1 Active
US10119545B2 3-D sensorless conversion method and apparatus for pump differential pressure and flow Emerging Cross-Sectional Technologies 1 Active
US10317894B2 No flow detection means for sensorless pumping control applications Mechanical Engineering; Lighting; Heating 1 Active
US11009259B2 Low water mechanical CSD-1 manual switch conversion to electro-mechanical switch Mechanical Engineering; Lighting; Heating 0 Active
US10670024B2 Direct numeric affinity pumps sensorless converter Mechanical Engineering; Lighting; Heating 0 Active
US9714717B2 Flow switch assembly featuring two-part base assembly with non-metallic upper part and metallic lower part Electricity 0 Active
US11391491B2 Low water cut-off remote monitoring and diagnosing system Mechanical Engineering; Lighting; Heating 0 Active
US11731885B2 Coalescing media for hydronic air and sediment separation device Chemistry; Metallurgy 0 Active
US10066672B2 Tapered washer shaft jacking arrangement Mechanical Engineering; Lighting; Heating 0 Active
US11898804B2 Fluid routing methods for a spiral heat exchanger with lattice cross section made via additive manufacturing Mechanical Engineering; Lighting; Heating 0 Active
US10670010B2 Direct numeric 3D sensorless converter for pump flow and pressure Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.