Inventor · Waterloo, ON, CA

Helmut Maier

5Patents
4h-index
11Co-inventors
50Inventor score

Filing activity: Jun 25, 1973 → Apr 11, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4010514A Arrangement for continuously cleaning flexible layer substrates in tape form Physics 27 Expired
US3935821A Method of and apparatus for creeling bobbins on a ring spinning machine Textiles; Paper 21 Expired
US5018743A Board game Human Necessities 9 Expired
US4690582A Connecting element for structural framework Emerging Cross-Sectional Technologies 4 Expired
US4640051A Adjustment mechanism for tiltable glazed sashes Emerging Cross-Sectional Technologies 3 Expired

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