Inventor · Philadelphia, PA, US

Stephen Brown

18Patents
3h-index
37Co-inventors
60Inventor score

Filing activity: Jan 6, 1994 → Nov 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8948660B2 Toner cartridge having engagement features to actuate a developer unit shutter Physics 24 Active
US8948659B2 Shutter for a developer unit for use with an image forming device Physics 10 Active
US8644725B2 Multiple stiffness seal for imaging component surfaces Physics 7 Active
US10750870B2 Furniture member having flexible seatback Human Necessities 3 Active
US10568428B2 Furniture member having flexible seatback Human Necessities 3 Active
US5454669A Yield valve Fixed Constructions 3 Expired
US10537178B2 Furniture member having flexible seatback Human Necessities 3 Active
US9500994B2 Developer unit architecture for an imaging device Physics 2 Active
US8437653B2 System for cooling a developer roll inside an image forming device Physics 2 Active
US8538286B2 Air duct and toner cartridge using same Physics 2 Active
US11524268B2 Carbonated beverage makers, methods, and systems Performing Operations; Transporting 1 Active
US11841265B2 Heterogeneous subsurface imaging systems and methods Physics 0 Active
US11544231B1 Methods and systems for aligning Physics 0 Active
US8078079B2 Air duct and toner cartridge using same Physics 0 Active
US12048905B2 Carbonation cup for carbonated beverage maker Performing Operations; Transporting 0 Active
US11698169B2 Vessel for the transport of liquefied gas and method of operating the vessel Mechanical Engineering; Lighting; Heating 0 Active
US9850469B2 Methods of stapling and unstapling peptides and proteins Chemistry; Metallurgy 0 Active
US11940580B2 Heterogeneous subsurface imaging systems and methods Physics 0 Active

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