Inventor · Viersen, DE

Helmut Janz

2Patents
2h-index
3Co-inventors
30Inventor score

Filing activity: Aug 3, 1984 → May 14, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4629500A Use of novel rotary tubular kiln Mechanical Engineering; Lighting; Heating 7 Expired
US4781580A Indirectly heated rotary tubular kiln Mechanical Engineering; Lighting; Heating 5 Expired

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