Hendrik Helmke
26Patents
2h-index
65Co-inventors
56Inventor score
Filing activity: Dec 13, 2002 → Nov 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.