Inventor · London, GB

John A. Smith

16Patents
8h-index
15Co-inventors
69Inventor score

Filing activity: Aug 10, 1973 → Sep 28, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6348599B1 Cyanine dyes Physics 56 Expired
US4512537A Canard control assembly for a projectile Mechanical Engineering; Lighting; Heating 50 Expired
US4568039A Guidance system for a projectile Mechanical Engineering; Lighting; Heating 37 Expired
US4791573A State-deviation-estimation circuit employing a phase-locked-loop phase reference Physics 21 Expired
US5014997A Brake-control system for accelerating freely falling objects to a moving craft's speed Performing Operations; Transporting 19 Expired
US4844297A Fluid dispensing apparatus and method of operation thereof Performing Operations; Transporting 16 Expired
US8034558B2 Acridone derivatives as labels for fluorescence detection of target materials Chemistry; Metallurgy 15 Active
US4273524A Platen type molding press Emerging Cross-Sectional Technologies 13 Expired
US6294667A Analysis of carbohydrates Physics 8 Expired
US4236842A Hammer support for rotary printing apparatus Performing Operations; Transporting 7 Expired
US7891907B2 Drainage device Fixed Constructions 6 Expired
US3944691A Decorative assembly or toy Performing Operations; Transporting 5 Expired
US8918927B1 Multiple piece shower stall Human Necessities 3 Active
US4627061A Gas laser apparatus having constant power output Electricity 1 Expired
US7445902B2 Fluorescent nucleotide analogues Chemistry; Metallurgy 1 Expired
US7335771B2 Quinacridone derivatives as labelling reagents for fluorescence detection of biological materials Physics 0 Expired

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