Inventor · Winchester, VA, US

John M. Fuller

45Patents
24h-index
34Co-inventors
85Inventor score

Filing activity: May 4, 1976 → Aug 14, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4889017A Rotary drill bit for use in drilling holes in subsurface earth formations Fixed Constructions 253 Expired
US4991670A Rotary drill bit for use in drilling holes in subsurface earth formations Fixed Constructions 162 Expired
US4919220A Cutting structures for steel bodied rotary drill bits Fixed Constructions 143 Expired
US6142250A Rotary drill bit having moveable formation-engaging members Fixed Constructions 122 Expired
US5778992A Drilling assembly for drilling holes in subsurface formations Fixed Constructions 121 Expired
US4718505A Rotary drill bits Fixed Constructions 83 Expired
US5651421A Rotary drill bits Fixed Constructions 77 Expired
US5649604A Rotary drill bits Fixed Constructions 65 Expired
US5669271A Elements faced with superhard material Chemistry; Metallurgy 59 Expired
US5590728A Elements faced with superhard material Emerging Cross-Sectional Technologies 58 Expired
US5720357A Cutter assemblies for rotary drill bits Fixed Constructions 58 Expired
US5617928A Elements faced with superhard material Emerging Cross-Sectional Technologies 47 Expired
US5480180A Utility cart Performing Operations; Transporting 44 Expired
USD289452S Corner bucket General 41 Expired
US4823892A Rotary drill bits Fixed Constructions 41 Expired
USD397529S Hummingbird feeder General 40 Expired
US4505342A Drill bit Fixed Constructions 40 Expired
US4733735A Rotary drill bits Fixed Constructions 32 Expired
USD411625S Storage shed lid General 31 Expired
US4640375A Drill bit and cutter therefor Fixed Constructions 28 Expired
US6999847B2 Specimen carrier transfer apparatus for a conveyor track Emerging Cross-Sectional Technologies 25 Expired
US7233838B2 Transfer and positioning apparatus for automated conveyor system Emerging Cross-Sectional Technologies 25 Expired
US5992549A Cutting structures for rotary drill bits Fixed Constructions 25 Expired
US4081203A Drill string stabilizer Fixed Constructions 24 Expired
USD280857S Dome top for a waste receptacle General 23 Expired

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