Herbert Thomas
30Patents
6h-index
17Co-inventors
66Inventor score
Filing activity: Jan 14, 1974 → Feb 5, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4001411A | 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof | Chemistry; Metallurgy | 21 | Expired |
| US3993682A | Substituted phenylguanidines and processes for their preparation and use | Performing Operations; Transporting | 17 | Expired |
| US4024176A | Substituted phenylguanidines and processes for their preparation and use | Human Necessities | 9 | Expired |
| US4095297A | Coil spring assembly | Human Necessities | 9 | Expired |
| US4032655A | Phenylguanidines useful as anthelmintic agents | Human Necessities | 8 | Expired |
| US4113867A | 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof | Chemistry; Metallurgy | 7 | Expired |
| US4196291A | 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof | Chemistry; Metallurgy | 6 | Expired |
| US4162319A | Ring substituted pyrazino-isoquinoline derivatives and their preparation | Chemistry; Metallurgy | 6 | Expired |
| US4051243A | Ring substituted pyrazino-isoquinoline derivatives and their preparation | Chemistry; Metallurgy | 6 | Expired |
| US4246260A | Substituted omicron-phenylenediamine derivatives, process for their preparation and their use as medicaments | Human Necessities | 5 | Expired |
| US4141978A | 2-Acyl-4-oxo-pyrazino-isoquinoline derivatives and process for the preparation thereof | Chemistry; Metallurgy | 5 | Expired |
| US4021571A | Substituted phenylisothioureas and processes for their preparation and use | Chemistry; Metallurgy | 5 | Expired |
| US4064270A | N'-(Aminoacylaminophenyl) acetamidines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3950395A | Benzoylphenylguanidines | Chemistry; Metallurgy | 3 | Expired |
| US6378578B2 | Cutter head | Emerging Cross-Sectional Technologies | 3 | Expired |
| US3993760A | Pyrazinoisoquinolines as anthelmintic agents | Chemistry; Metallurgy | 2 | Expired |
| US4005123A | Substituted phenylisothioureas and processes for their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4353913A | Benzimidazolylcarbamic acid ester compounds, their production, and their medicinal use | Human Necessities | 1 | Expired |
| US3993759A | Anthelmintic | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4287199A | Benzimidazolylcarbamic acid esters substituted on the benzenoid nucleus by an oxy or thio substituent | Human Necessities | 1 | Expired |
| US4127670A | 2-Formamido phenylguanidines and processes for their preparation and use | Chemistry; Metallurgy | 1 | Expired |
| US4088780A | Substituted phenylguanidines and processes for their preparation and use | Human Necessities | 1 | Expired |
| US4247546A | Phosphonylureidobenzene derivatives and their medicinal use | Chemistry; Metallurgy | 1 | Expired |
| US4194004A | Substituted benzenesulphonic acid esters, processes for their preparation and their use as medicaments | Chemistry; Metallurgy | 1 | Expired |
| US4015012A | 4-Acylaminophenylacetamidines and a method for their preparation | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.