Inventor · Baltimore, MD, US

Robert J. Powell

16Patents
11h-index
7Co-inventors
65Inventor score

Filing activity: Nov 8, 1984 → Dec 16, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6500419B1 Method for introducing and expressing RNA in animal cells Chemistry; Metallurgy 133 Expired
US5877159A Method for introducing and expressing genes in animal cells and live invasive bacterial vectors for use in the same Human Necessities 118 Expired
US6150170A Method for introducing and expressing genes in animal cells, and live invasive bacterial vectors for use in the same Human Necessities 59 Expired
US6548287B1 Non-pyrogenic bacterial strains and use of the same Chemistry; Metallurgy 55 Expired
US5997881A Method of making non-pyrogenic lipopolysaccharide or A Chemistry; Metallurgy 50 Expired
US6682729B1 Method for introducing and expressing genes in animal cells, and live invasive bacterial vectors for use in the same Human Necessities 27 Expired
US7393525B2 Method for introducing and expressing genes in animal cells, and live invasive bacterial vectors for use in the same Human Necessities 24 Expired
US5198729A CRT monitor with elimination of unwanted time variable electric field Electricity 16 Expired
US7125718B2 Method for introducing and expressing genes in animal cells, and bacterial blebs for use in same Emerging Cross-Sectional Technologies 15 Expired
US4870529A Active arc protection circuit Electricity 13 Expired
US4715678A Optical fibre cable Electricity 12 Expired
USD453480S1 Easy measure tape General 7 Expired
US5221709A Sealing composition and a mineral insulated electric cable termination employing such composition Chemistry; Metallurgy 3 Expired
US4904047A Optical fibre cables Physics 2 Expired
US9999306B1 Convertible stand for concealing a mattress Human Necessities 1 Active
US9039996B2 Silicon substrate optimization for microarray technology Emerging Cross-Sectional Technologies 1 Active

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