Inventor · Minerva, OH, US

David E. Merker

5Patents
4h-index
7Co-inventors
42Inventor score

Filing activity: Nov 18, 1982 → Apr 16, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4782206A Method and apparatus for controlling weld bead shape to eliminate microfissure defects when shape melting austenitic materials Performing Operations; Transporting 28 Expired
US4672832A Method and apparatus for tube expansion Emerging Cross-Sectional Technologies 19 Expired
US5038994A Apparatus for explosively welding a sleeve into a heat exchanger tube Emerging Cross-Sectional Technologies 6 Expired
US5022148A Method for explosively welding a sleeve into a heat exchanger tube Emerging Cross-Sectional Technologies 5 Expired
US4583672A Explosive welding device Performing Operations; Transporting 3 Expired

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