Inventor · Liederbach, DE

Hendrik Helmke

26Patents
2h-index
65Co-inventors
56Inventor score

Filing activity: Dec 13, 2002 → Nov 14, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7022650B2 4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines Chemistry; Metallurgy 2 Expired
US9095136B2 2-IODO imidazole-derivatives Chemistry; Metallurgy 2 Active
US9084424B2 N-benzyl heterocyclic carboxamides Chemistry; Metallurgy 2 Active
US7282469B2 4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines Chemistry; Metallurgy 2 Expired
US7312180B2 Substituted 4-(4-trifluoromethylpyrazolyl)pyrimidines Chemistry; Metallurgy 1 Expired
US7211673B2 4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines Chemistry; Metallurgy 1 Expired
US8575356B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 1 Active
US8445691B2 Heterocyclic thiosubstituted alkanol derivatives Chemistry; Metallurgy 1 Active
US8436189B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 1 Active
US8450245B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 1 Active
US8440836B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 1 Active
US10065926B2 Use of substituted dihydrooxindolylsulfonamides, or the salts thereof, for increasing the stress tolerance of plants Chemistry; Metallurgy 1 Active
US8507472B2 Bicyclic pyridinylpyrazoles Chemistry; Metallurgy 0 Active
US8993776B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 0 Active
US9241487B2 Pyrimidine derivatives and use thereof as pesticides Chemistry; Metallurgy 0 Active
US10568326B2 5-substituted imidazole derivatives Chemistry; Metallurgy 0 Active
US11178868B2 Alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides Chemistry; Metallurgy 0 Active
US6750222B2 Substituted phenyl derivatives Chemistry; Metallurgy 0 Expired
US10899709B2 Novel-alkynyl-substituted 3-phenylpyrrolidine-2,4-diones and use thereof as herbicides Human Necessities 0 Active
US9051277B2 Phenyl(oxy/thio)alkanol derivatives Chemistry; Metallurgy 0 Active
US9187431B2 Substituted phenyl(oxy/thio)alkanol derivatives Chemistry; Metallurgy 0 Active
US10231453B2 5-substituted imidazole derivatives Chemistry; Metallurgy 0 Active
US9051308B2 Heterocyclic alkanol derivatives General 0 Revoked
US9198429B2 Heterocyclic alkanol-derivatives Chemistry; Metallurgy 0 Active
US9145403B2 Heterocyclic alkanol derivatives Chemistry; Metallurgy 0 Active

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