Inventor · Gardena, CA, US

Matthew O'Brien

24Patents
11h-index
12Co-inventors
72Inventor score

Filing activity: Jan 9, 1985 → Apr 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD764235S1 Trainer cup General 22 Active
USD763624S1 Transition cup General 21 Active
USD757495S1 Tumbler with straw General 18 Active
USD755572S1 Straw transition cup General 16 Active
US10881896B2 Exercise machine reversible resistance system Human Necessities 15 Active
US9868019B2 Exercise machine reversible resistance system Human Necessities 15 Active
US10369398B2 Exercise machine with variable resistance system Human Necessities 14 Active
USD762419S1 Trainer straw cup General 14 Active
US9868009B2 Exercise machine with variable resistance system Human Necessities 13 Active
USD786618S1 Trainer straw cup General 11 Active
US10478663B2 Exercise machine reversible resistance system Human Necessities 11 Active
USD757494S1 Sports bottle General 11 Active
USD796262S1 Trainer cup General 10 Active
USD755569S1 Tumbler General 9 Active
US4576922A High expansion dental crown core ceramic composition Chemistry; Metallurgy 9 Expired
US10864399B2 Exercise machine with variable resistance system Human Necessities 8 Active
USD819401S1 Transition cup General 7 Active
US11241110B2 Valve assembly Mechanical Engineering; Lighting; Heating 4 Active
US11147743B2 Bottle assembly and valve assembly Performing Operations; Transporting 1 Active
US12340895B2 Method and systems for the automated detection of free fluid using artificial intelligence for the focused assessment sonography for trauma (FAST) examination for trauma care Physics 0 Active
US11298582B2 Exercise machine reversible resistance system Human Necessities 0 Active
US11794064B2 Exercise machine reversible resistance system Human Necessities 0 Active
US11878842B2 Bottle assembly and valve assembly Performing Operations; Transporting 0 Active
US10398241B2 Valve assembly Emerging Cross-Sectional Technologies 0 Active

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