Inventor · Cottage Grove, WI, US

Hung-Mao Liao

44Patents
11h-index
20Co-inventors
75Inventor score

Filing activity: Nov 7, 2002 → May 22, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6672992B1 Exercising device Human Necessities 63 Expired
US7316633B2 Elliptical exercise machine Human Necessities 52 Active
US7682290B2 Stationary exercise apparatus Human Necessities 45 Active
US7052440B2 Dual-function treading exerciser Human Necessities 41 Expired
US6719666B1 Exercising device that produces elliptical foot movement Human Necessities 39 Expired
US6994656B2 Exercise apparatus Human Necessities 27 Expired
US7722505B2 Stationary exercise apparatus Human Necessities 20 Active
US7582043B2 Stationary exercise apparatus Human Necessities 19 Active
US7654936B2 Stationary exercise apparatus Human Necessities 19 Active
US7854691B2 Exercise apparatus Human Necessities 14 Active
US7972248B2 Stationary exercise apparatus Human Necessities 11 Active
US8403815B2 Stationary exercise apparatus Human Necessities 10 Active
US7104930B2 Structure of a treadmill Human Necessities 10 Expired
US10207146B2 Treadmill which can be driven in both directions Human Necessities 10 Active
US7976435B2 Stationary exercise apparatus Human Necessities 9 Active
US8092349B2 Stationary exercise apparatus Human Necessities 8 Active
US9339684B2 Stationary exercise apparatus Human Necessities 7 Active
US7632220B2 Exercise apparatus Human Necessities 7 Active
US7744508B2 Stationary exercise apparatus Human Necessities 7 Active
US9808667B2 Stationary exercise apparatus Human Necessities 7 Active
US10532246B2 Stationary exercise apparatus Human Necessities 6 Active
US10369403B2 Stationary exercise apparatus Human Necessities 6 Active
US11969643B2 Exercise apparatus with an image display Mechanical Engineering; Lighting; Heating 5 Active
US7530930B2 Exercise apparatus Human Necessities 3 Active
US7704193B2 Exercise apparatus Human Necessities 2 Active

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