Inventor · Winter Garden, FL, US

David E. Roberts

37Patents
11h-index
43Co-inventors
75Inventor score

Filing activity: Jul 22, 1974 → May 10, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5053004A Catheter having two coaxial lumens Emerging Cross-Sectional Technologies 215 Expired
US9753193B2 Methods and apparatus for human vision correction using diffractive waveplate lenses Physics 26 Active
US4256700A Catalytic converter with air tube Emerging Cross-Sectional Technologies 24 Expired
US6366185B1 Vertical interconnect between coaxial or GCPW circuits and airline via compressible center conductors Electricity 23 Expired
US10274805B2 Polarization-independent switchable lens system Physics 21 Active
US7541588B2 Infrared laser illuminated imaging systems and methods Physics 19 Expired
US10197715B1 Methods of diffractive lens and mirror fabrication Performing Operations; Transporting 18 Active
US6236287A Wideband shielded coaxial to microstrip orthogonal launcher using distributed discontinuities Electricity 18 Expired
US10120112B2 Diffractive waveplate lenses for correcting aberrations and polarization-independent functionality Physics 17 Active
US10191191B2 Diffractive waveplate lenses and applications Physics 13 Active
US8537059B2 Cooling system for panel array antenna Electricity 12 Active
US10191296B1 Laser pointer with reduced risk of eye injury Physics 10 Active
US10274650B2 Diffractive waveplate lenses and applications Physics 10 Active
US10423045B2 Electro-optical diffractive waveplate beam shaping system Physics 9 Active
US10330947B2 Diffractive mirrors and diffractive telescopes with corrected temporal dispersion Physics 8 Active
US6362703B1 Vertical interconnect between coaxial and rectangular coaxial transmission line via compressible center conductors Electricity 6 Expired
US10436957B2 Broadband imaging with diffractive waveplate coated mirrors and diffractive waveplate objective lens Physics 4 Active
US4237099A Catalytic converter with dual catalyst pellet beds and plenum therebetween Emerging Cross-Sectional Technologies 3 Expired
US7692508B2 Spring loaded microwave interconnector Electricity 3 Active
US3952993A Dual rate valve assembly Performing Operations; Transporting 3 Expired
US11175441B1 Polarization-independent diffractive optical structures Physics 3 Active
US4238454A Catalytic converter having a pair of catalyst pellet beds with a plenum and air tube therebetween Emerging Cross-Sectional Technologies 3 Expired
US8547524B2 Active mask variable data integral imaging system and method Physics 2 Active
US8537469B2 Methods for producing lens arrays Electricity 2 Active
US10557977B1 Diffractive waveplate lenses and applications Physics 2 Active

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