Inventor · Hungen, DE

Christian Neumann

38Patents
6h-index
65Co-inventors
72Inventor score

Filing activity: Nov 8, 1993 → Jun 21, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6049726A Planar filter with ferroelectric and/or antiferroelectric elements Electricity 59 Expired
US9287556B2 Porous carbon product, method for the production thereof, and use of the same Emerging Cross-Sectional Technologies 41 Active
US6553609B2 Apparatus for floor cleaning Human Necessities 24 Expired
US5912472A Switchable planar high frequency resonator and filter Electricity 13 Expired
US9957431B2 Composite material, heat-absorbing component, and method for producing the composite material Emerging Cross-Sectional Technologies 11 Active
US9960410B2 Method for producing composite powder, and for a porous composite material for electrochemical electrodes that is produced using the composite powder Emerging Cross-Sectional Technologies 7 Active
US9242887B2 Method and apparatus for drawing a quartz glass strand Chemistry; Metallurgy 6 Active
US7784997B2 Closed single-use system for mixing, storing and homogenizing liquids in clean or sterile conditions Performing Operations; Transporting 6 Active
US9520594B2 Porous carbon product with layer composite structure Emerging Cross-Sectional Technologies 5 Active
US6339329B1 Method for manufacturing a giant resistive ratio (GMR) bridge detector and a magnetoresistive bridge detector Emerging Cross-Sectional Technologies 4 Expired
US10283779B2 Catalyst support and method for producing porous graphitized carbon material covered with metal nanoparticles Emerging Cross-Sectional Technologies 4 Active
US9718690B2 Method for producing a porous carbon product Emerging Cross-Sectional Technologies 4 Active
US9174878B2 Porous carbon product and method for the production thereof Emerging Cross-Sectional Technologies 3 Active
US7938349B2 Roller mill Performing Operations; Transporting 1 Active
US6307444A Frequency signal equalizing device, specially for a satellite communications facility Electricity 1 Expired
US10879537B2 Lithium ion cell for a secondary battery Emerging Cross-Sectional Technologies 1 Active
US10468712B2 Porous carbon particles having a core/shell structure, and method for producing same Emerging Cross-Sectional Technologies 1 Active
US9172084B2 Method for producing porous granules from inorganic material and the use thereof Emerging Cross-Sectional Technologies 1 Active
US6844923B2 Method and apparatus for surveying the geometry of tunnels Physics 1 Expired
US5534715A Josephson junction in a wiring pattern of a superconductor oxide Electricity 1 Expired
US8194970B2 Method for producing three-dimensionally structured surfaces Performing Operations; Transporting 0 Active
US11053126B2 Production of a porous product including post adapting a pore structure Emerging Cross-Sectional Technologies 0 Active
US11980478B2 Self-adhesive electrode patch Emerging Cross-Sectional Technologies 0 Active
US11748407B2 Activity level based management and upload of ride monitoring data of rides of a mobility service provider Physics 0 Active
US9115018B2 Drawing method for producing cylindrical components from quartz glass Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.