Inventor · Owatonna, MN, US

Gregory S. Olson

42Patents
16h-index
4Co-inventors
74Inventor score

Filing activity: Jan 26, 1994 → Aug 25, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5637064A Adjustable dumbbell Human Necessities 100 Expired
US5769762A Exercise weight system Human Necessities 87 Expired
US7578771B1 Weight selection and adjustment system for selectorized dumbbells including motorized selector positioning Human Necessities 69 Active
US9289638B2 Exercise equipment frame having sectional structural members Human Necessities 68 Active
US6083144A Adjustable dumbbell Human Necessities 67 Expired
US5779604A Adjustable dumbbell Human Necessities 66 Expired
USD359778S Adjustable dumbbell General 43 Expired
US7153244B2 Selectorized dumbbell using commodity weights Human Necessities 35 Expired
US7520845B2 Selectorized dumbbell having keyboard selector with discrete connecting pins for individual weights Human Necessities 30 Active
US5971899A Exercise weight system Human Necessities 29 Expired
US7201711B2 Barbell using selectorized dumbbells as exercise mass Human Necessities 28 Expired
USD644701S1 Selectorized dumbbell having kettlebell style handle General 21 Expired
USD651672S1 Selectorized dumbbell having kettlebell style handle General 20 Expired
US7549952B2 Selectorized dumbbell having twin pin selector Human Necessities 19 Active
US9050496B2 Exercise machine for providing weight lifting exercises similar to those provided by a free weight barbell Human Necessities 16 Active
US8012069B2 Selectorized dumbbell having or convertible into kettlebell configuration Human Necessities 16 Active
US7387595B2 Exercise machine using lever mounted selectorized dumbbells as exercise mass Human Necessities 15 Expired
US8668630B2 Add-on weight kit for a selectorized dumbbell Human Necessities 15 Active
US8394004B2 Selectorized dumbbell with selector comprising weight connecting pins carried in each end of handle Human Necessities 14 Active
US7387596B2 Selectorized dumbbell using commodity weights Human Necessities 13 Active
US7775947B2 Selectorized dumbbell having shock absorbing system and weight plates with an elastomer encasement Human Necessities 13 Active
US7335142B2 Selectorized dumbbell weight with weight plates formed by a pair of welded weight subplates and method of manufacture thereof Human Necessities 11 Expired
US7455026B2 Structure for use in body of water Performing Operations; Transporting 11 Active
US7216603B2 Structure for use in body of water having reduced width for ground transport Performing Operations; Transporting 10 Expired
US7857735B2 Selectorized dumbbell having a selector comprising a pin with flexible connecting prong(s) Human Necessities 10 Active

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