John A. Werner
28Patents
9h-index
34Co-inventors
75Inventor score
Filing activity: Feb 11, 1976 → Mar 16, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5434171A | Preparation of 3,4,4-trisubstituted-piperidinyl-N-alkylcarboxylates and intermediates | Chemistry; Metallurgy | 79 | Expired |
| US4507842A | Method of sealing and protecting a plastic lined pipe joint | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4663175A | Method for making a flavored nut product | Human Necessities | 23 | Expired |
| US5486806A | Anti-hijacking and theft prevention device for motor vehicles | Performing Operations; Transporting | 16 | Expired |
| US5055031A | Fire vortex display | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5136040A | Preparation of substituted tetrahydropyridines | Chemistry; Metallurgy | 13 | Expired |
| US6730792B2 | &bgr;3 adrenergic agonists | Human Necessities | 12 | Expired |
| US5498718A | Preparation of substituted tetrahydropyridines | Chemistry; Metallurgy | 9 | Expired |
| US5235837A | Fabrication of pressure vessels | Performing Operations; Transporting | 9 | Expired |
| US4331811A | Preparation of 2,3-dichloro-5-trichloromethylpyridine | Performing Operations; Transporting | 9 | Expired |
| US6825220B2 | 3-Substituted oxindole &bgr; 3 agonists | Chemistry; Metallurgy | 8 | Expired |
| US4794834A | Tube shearing apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4005591A | Ball sizing machine and method | Performing Operations; Transporting | 8 | Expired |
| US5224901A | Apparatus and method for displaying an anamorphic illusion | Physics | 8 | Expired |
| US4309548A | Chlorination of 2-chloro-5-trichloromethylpyridine | Chemistry; Metallurgy | 6 | Expired |
| US5065653A | Twist-shearing apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6779459B2 | Pyrotechnic projectile launcher | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7087635B2 | 3-substituted oxindole β3 agonists | Chemistry; Metallurgy | 5 | Expired |
| US6911463B2 | 3-substituted oxindole β-3 agonists | Chemistry; Metallurgy | 5 | Expired |
| US4480102A | 2,3-Difluoro-5-(trifluoromethyl)pyridine and methods of making and using the same | Chemistry; Metallurgy | 4 | Expired |
| US4228907A | Miniature railroad uncoupling apparatus | Human Necessities | 3 | Expired |
| US6114327A | Anti-viral compounds | Human Necessities | 3 | Expired |
| US4625035A | 2,3-difluoro-5-(trifluoromethyl)pyridine | Chemistry; Metallurgy | 3 | Expired |
| US4493932A | Chlorine exchange for fluorine in 2-fluoro-pyridine compounds | Chemistry; Metallurgy | 2 | Expired |
| US4636565A | Preparation of 2,3-dichloro-5-trichloromethylpyridine | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.