Inventor · Franklin, MA, US

David Hadley

6Patents
5h-index
5Co-inventors
48Inventor score

Filing activity: Apr 7, 2000 → Oct 8, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6263519A Automatic tank-type flusher Fixed Constructions 46 Expired
US6874535B2 Device and method for operating at least two valves Emerging Cross-Sectional Technologies 45 Expired
US6934976B2 Toilet flusher with novel valves and controls Mechanical Engineering; Lighting; Heating 21 Expired
US7562399B2 Toilet flusher for water tanks with novel valves and dispensers Emerging Cross-Sectional Technologies 18 Expired
US6508272B1 Device and method for operating at least two valves Emerging Cross-Sectional Technologies 17 Expired
US6748968B1 Method and apparatus for combined conduit/electrical-conductor junction installation Emerging Cross-Sectional Technologies 2 Expired

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