Inventor · Haverhill, IA, US

David George Halm

7Patents
3h-index
6Co-inventors
46Inventor score

Filing activity: Jul 17, 2002 → Jan 17, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7028712B2 Skirt guided globe valve Emerging Cross-Sectional Technologies 10 Expired
US8662099B2 Valve shaft apparatus for use with rotary valves Emerging Cross-Sectional Technologies 6 Active
US8122908B2 Three-way valve with flow diverter Emerging Cross-Sectional Technologies 4 Active
US8794589B2 Actuator having an override apparatus Mechanical Engineering; Lighting; Heating 3 Active
US9103453B2 Valve shaft apparatus for use with rotary valves Emerging Cross-Sectional Technologies 2 Active
US7410144B2 Pivot and bearing assembly for a manual valve operator Emerging Cross-Sectional Technologies 0 Expired
US8544820B2 Biasing apparatus for use with actuators Mechanical Engineering; Lighting; Heating 0 Active

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