Inventor · Langenfeld, DE

Klaus Tietjen

11Patents
4h-index
42Co-inventors
60Inventor score

Filing activity: Jul 15, 1988 → Sep 15, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5004744A Pyridazinones as pesticides Chemistry; Metallurgy 9 Expired
US8383139B2 Thiadiazolyloxyphenylamidines and use thereof as fungicides Human Necessities 6 Active
US8865759B2 Use of dithiine-tetracarboximides for controlling phytopathogenic fungi Chemistry; Metallurgy 6 Active
US4874420A Herbicidal substituted triazines Chemistry; Metallurgy 4 Expired
US5547965A Use of substituted amines for the treatment of brain function disorders Human Necessities 4 Expired
US4941910A Herbicidal pyrimidine derivatives Chemistry; Metallurgy 4 Expired
US8334235B2 Thiadiazolyloxyphenylamidines and use thereof as fungicides Human Necessities 1 Active
US9095140B2 Use of dithiine-tetracarboximides for controlling phytopathogenic fungi Chemistry; Metallurgy 1 Active
US6103726A Use of pyrrolopyrimidines for controlling pests Chemistry; Metallurgy 0 Expired
US9198426B2 Use of 5 pyridin-4-yl-1,3-thiazoles for controlling phytopathogenic fungi Chemistry; Metallurgy 0 Active
US6849435B2 Use of VLCFAE for identifying herbicidally active compounds Physics 0 Expired

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