Inventor · Freudenberg, DE

Peter Koehler

4Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Jan 4, 1985 → Mar 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4556679A Earthworm irritant Human Necessities 4 Expired
US7141169B2 Method and apparatus for biosustaining waste activated vermicular environment Emerging Cross-Sectional Technologies 4 Expired
US8844413B2 Method of making a die-cut foam object Emerging Cross-Sectional Technologies 1 Active
US11634342B2 Iron oxide pigments containing Al Chemistry; Metallurgy 0 Active

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