Inventor · Portsmouth, RI, US

Daniel P. Smith

43Patents
9h-index
51Co-inventors
78Inventor score

Filing activity: Aug 1, 1985 → Oct 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD511026S1 Sport helmet General 70 Expired
US6273582A Compact multiple function tool Mechanical Engineering; Lighting; Heating 68 Expired
US5247166A Form reader with linear CCD scanner and drum feed Physics 41 Expired
US7524127B2 Ring binder mechanism Performing Operations; Transporting 21 Active
US8153918B2 Automatic light switch with manual override Electricity 19 Active
US7028931B2 Dynamic ring classifier for a coal pulverizer Performing Operations; Transporting 15 Expired
US4593901A Dual-suspension striking balls Human Necessities 14 Expired
US8186537B2 Vented closure for container Performing Operations; Transporting 11 Active
USD511446S1 Body for a hand-held fluid dispenser General 9 Expired
US8435220B2 Emergency eyewash station having an expandable bellows waste collection system Human Necessities 8 Active
US8316477B2 Cartridge assembly for a self-contained emergency eyewash station Human Necessities 8 Active
US7240868B2 Dynamic ring classifier for a coal pulverizer Performing Operations; Transporting 8 Expired
US4666403A Air preheating system for continuous fired furnace Mechanical Engineering; Lighting; Heating 7 Expired
US7516912B2 Swing hammer for particulate size reduction system Performing Operations; Transporting 5 Active
USD637632S1 Swing hammer for particulate size reduction system General 4 Expired
USD526226S1 Foot scanner General 4 Expired
US7748655B2 Crusher block assembly for particulate size reduction system Performing Operations; Transporting 4 Active
USD575807S1 Dynamic ring classifier for a coal pulverizer General 3 Expired
USD565616S1 Grinding and impeller clip for a coal pulverizer General 3 Expired
US7311281B2 Grinding and impeller clip for a coal pulverizer Performing Operations; Transporting 3 Active
US7172146B2 Grinding and impeller clip for a coal pulverizer Performing Operations; Transporting 3 Expired
US7837138B2 Swing hammer for particulate size reduction system Performing Operations; Transporting 2 Active
USD566144S1 Stationary peg for a coal pulverizer General 2 Expired
US11185672B2 Needling device and drug applicator Human Necessities 2 Active
US6922982B1 Marine weedwaker Human Necessities 1 Expired

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