Inventor · Sterling, IL, US

Keith Dirks

25Patents
13h-index
21Co-inventors
81Inventor score

Filing activity: Jan 6, 1988 → Nov 10, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD476087S1 Massager General 90 Expired
USD478385S1 Massager General 80 Expired
USD512841S1 Round stand with mirror General 54 Expired
US6911010B2 Heated massager with massaging liquid dispenser Human Necessities 50 Expired
US6938867B2 Holder for a powered device Electricity 28 Expired
US7346990B2 Rotary motor clipper with linear drive system Performing Operations; Transporting 28 Expired
USD559456S1 Attachment comb General 25 Expired
USD477439S1 Hair trimmer General 24 Expired
USD479362S1 Nose trimmer General 23 Expired
US7624506B2 Driving member for hair cutting device with replaceable tip Performing Operations; Transporting 21 Expired
US7918029B2 Attachment comb for a hair clipper Performing Operations; Transporting 21 Active
USD722827S1 Spiral dual chamber beverage glass General 16 Active
US7946253B2 Pet grooming stand Human Necessities 16 Active
USD729577S1 Set of interchangeable beverage containers General 13 Active
USD508025S1 Holder for a powered device General 13 Expired
US8528216B2 Attachment comb for a hair clipper Performing Operations; Transporting 11 Active
USD512796S1 Hair clipper General 10 Expired
USD313484S Curling iron General 9 Expired
USD724893S1 Segmented beverage container General 9 Active
USD739441S1 Dual nozzle portable air compressor General 8 Active
US9865416B2 Electrical power transfer switch Electricity 1 Active
US10083809B2 Electrical power transfer switch Electricity 1 Active
US9095296B2 Therapeutic gum irrigator Human Necessities 0 Active
US12397975B2 Multi-component sample container cap Human Necessities 0 Active
US11761946B2 Methods and devices for monitoring machine fluids Physics 0 Active

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