Inventor · Central Falls, RI, US

Robert W. Castle

4Patents
3h-index
4Co-inventors
43Inventor score

Filing activity: Oct 21, 1994 → Sep 24, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6032924A Motorized valve actuating device Mechanical Engineering; Lighting; Heating 24 Expired
US5524670A Automatic flow control valve Emerging Cross-Sectional Technologies 15 Expired
US6095485A Valve actuating device having a reduced impact operating mechanism Mechanical Engineering; Lighting; Heating 9 Expired
US9225393B2 Systems and methods for determining whether a companion communication device is beyond a proximity of a primary communication device Electricity 0 Active

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