Inventor · Philadelphia, PA, US

Brian Smith

53Patents
12h-index
47Co-inventors
84Inventor score

Filing activity: Sep 8, 1978 → Oct 19, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD582604S1 Hair cutting device General 26 Expired
USD559456S1 Attachment comb General 25 Expired
US5941206A Rotary valve for internal combustion engine Mechanical Engineering; Lighting; Heating 24 Expired
US7918029B2 Attachment comb for a hair clipper Performing Operations; Transporting 21 Active
US5884894A Inner-loop valve spool positioning control apparatus Emerging Cross-Sectional Technologies 20 Expired
US6227167A Suction controlled pump for HEUI systems Mechanical Engineering; Lighting; Heating 20 Expired
US10551913B2 Virtual 3D methods, systems and software Electricity 19 Active
US6544463B1 Hybrid materials and methods for producing the same Emerging Cross-Sectional Technologies 18 Expired
US7946253B2 Pet grooming stand Human Necessities 16 Active
US8395629B1 Reducing data stored in a deep-frame buffer Physics 15 Active
USD582605S1 Hair cutting device General 13 Expired
US7306483B2 Electrical cord assembly Electricity 12 Expired
US7621011B2 Pet nail trimmer including a nail clipper and a grinder Human Necessities 11 Active
US8528216B2 Attachment comb for a hair clipper Performing Operations; Transporting 11 Active
US4308884A Method for transmission of pressure signals through a conduit Emerging Cross-Sectional Technologies 11 Expired
US6672285B2 Suction controlled pump for HEUI systems Mechanical Engineering; Lighting; Heating 10 Expired
US6217289A Axial piston pump with auxiliary pump Mechanical Engineering; Lighting; Heating 10 Expired
US4239468A Apparatus for controlling pressure distribution in gear pump Mechanical Engineering; Lighting; Heating 10 Expired
US10853625B2 Facial signature methods, systems and software Physics 10 Active
US6405783B1 Horizontal window blind apparatus Fixed Constructions 9 Expired
US6857536B2 Support device and method for a rotary closure assembly Physics 8 Expired
US6237556A Rotary valve for internal combustion engines Mechanical Engineering; Lighting; Heating 7 Expired
US6668801B2 Suction controlled pump for HEUI systems Mechanical Engineering; Lighting; Heating 7 Expired
US6851452B2 Guide plate Mechanical Engineering; Lighting; Heating 7 Expired
US6557615B2 Horizontal window blind apparatus Fixed Constructions 7 Expired

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