Inventor · Madison, WI, US

Daniel J. Gramer

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

Filing activity: May 27, 1999 → Jul 30, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6865878B2 Hybrid rocket engine and method of propelling a rocket Mechanical Engineering; Lighting; Heating 23 Expired
US6101808A Cryogenic solid hybrid rocket engine and method of propelling a rocket Mechanical Engineering; Lighting; Heating 21 Expired
US6601380B2 Hybrid rocket engine and method of propelling a rocket Mechanical Engineering; Lighting; Heating 20 Expired
US6298659A Vortex flow field and apparatus and method for producing the same Mechanical Engineering; Lighting; Heating 19 Expired
US6590403B1 Material regression sensor Physics 16 Expired

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