Walter Haarmann
33Patents
10h-index
36Co-inventors
71Inventor score
Filing activity: Jul 16, 1973 → Jan 10, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4361563A | Pyridazinone-substituted benzimidazoles and salts | Chemistry; Metallurgy | 54 | Expired |
| US3975384A | 2,4,5,6-Tetrasubstituted pyrimidines and salts thereof | Chemistry; Metallurgy | 46 | Expired |
| US3993683A | Biphenylyl derivatives | Chemistry; Metallurgy | 22 | Expired |
| US4678792A | Quaternary 3,4-dihydro-isoquinolinium salts | Chemistry; Metallurgy | 17 | Expired |
| US4414225A | Azepine derivatives and their anti-thrombotic compositions and methods | Chemistry; Metallurgy | 16 | Expired |
| US4191776A | Biphenyl derivatives | Chemistry; Metallurgy | 16 | Expired |
| US4080503A | 2-Amino-4-phenyl-2-imidazolines and salts thereof | Chemistry; Metallurgy | 15 | Expired |
| US4560685A | 2-Piperazino-pteridines useful as antithrombotics and antimetastatics | Chemistry; Metallurgy | 12 | Expired |
| US4518597A | Substituted benzoxazin-2-ones and pharmaceutical compositions containing them | Chemistry; Metallurgy | 12 | Expired |
| US4260621A | 3-Amino-4-phenyl-6-piperidino-1H-pyrazolo[3,4-b]-pyridines and salts thereof | Chemistry; Metallurgy | 11 | Expired |
| US4484899A | Coupling for accommodating misalignment between shafts | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4329347A | Cardiotonic and antithrombotic sulfur-containing derivatives of carbostyril | Chemistry; Metallurgy | 9 | Expired |
| US4062973A | Sulfur-containing derivatives of cyclohexylphenyl-ethane | Chemistry; Metallurgy | 8 | Expired |
| US4478833A | Trisubstituted pyrimido[5,4-d]pyrimidines and salts thereof | Human Necessities | 8 | Expired |
| US4176184A | Imidazoisoquinoline-diones and salts thereof | Chemistry; Metallurgy | 6 | Expired |
| US5188940A | Method of determining the total fibrinolytic activity in the plasma | Physics | 6 | Expired |
| US4073905A | 2-Amino-4-phenyl-2-imidazolines and salts thereof | Chemistry; Metallurgy | 5 | Expired |
| US4206214A | Antithrombotic pharmaceutical compositions containing dipyridamole and sulfinpyrazone | Human Necessities | 5 | Expired |
| US4705489A | Constant angle shaft coupling | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4259336A | 4-Hydroxy-2H-[1]-benzothieno [2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxides and salts thereof | Chemistry; Metallurgy | 4 | Expired |
| US4182887A | 3-Amino-4-phenyl-1H-pyrazolo[3,4-b]pyridines and salts thereof | Chemistry; Metallurgy | 4 | Expired |
| US3975524A | 3-Piperazino-isoquinolines and salts thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4058616A | 2-[N-(1,3-diamino-isopropyl)-amino]-4-phenyl-2-imidazolines and salts thereof | Human Necessities | 4 | Expired |
| US4224322A | 3-Amino-4-phenyl-6-thiomorpholino-1H-pyrazolo-[3,4-b]pyridines and salts thereof | Chemistry; Metallurgy | 4 | Expired |
| US4518596A | Antithrombotic use of 2-(perhydro-1,4-diazino)-pyrimido (5,4,D)-pyrimidines | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.