Inventor · Boxford, MA, US

Charles W. Sears

14Patents
11h-index
33Co-inventors
68Inventor score

Filing activity: Jun 3, 1998 → May 22, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6588964B1 Fluid applicator Human Necessities 63 Expired
USD418714S Pitcher General 57 Expired
USD663830S1 Inhaler General 53 Active
USD419027S Pitcher General 51 Expired
US6910579B2 Refillable flexible sheet dispenser Emerging Cross-Sectional Technologies 30 Expired
USD480127S1 Air filter housing General 28 Expired
USD479420S1 Container for moist wipes General 28 Expired
US7845524B2 Apparatus and method of dispensing fluid Physics 26 Active
US8950393B2 Nebulizer Physics 23 Active
US6964349B2 Dispenser with auto-start tab Human Necessities 23 Expired
USD479419S1 Portion of a container for moist wipes General 19 Expired
US8573398B2 Refillable flexible sheet dispenser Emerging Cross-Sectional Technologies 7 Active
US6669162B1 Quick release base and mounting bracket for napkin dispenser Mechanical Engineering; Lighting; Heating 6 Expired
US6889949B2 Quick release base and mounting bracket for napkin dispenser Mechanical Engineering; Lighting; Heating 2 Expired

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