Werner Burkhardt
13Patents
8h-index
25Co-inventors
72Inventor score
Filing activity: Oct 18, 1983 → Sep 15, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5082819A | Catalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalyst | Chemistry; Metallurgy | 47 | Expired |
| US4621072A | Process for preparing abrasion-resistant coated catalysts | Performing Operations; Transporting | 36 | Expired |
| US5072052A | Process for the production of acrolein by catalytic gas-phase oxidation of propene | Performing Operations; Transporting | 30 | Expired |
| US4521618A | Process for preparing acrylic or methacrylic acid | Performing Operations; Transporting | 20 | Expired |
| US7030052B2 | Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst | Chemistry; Metallurgy | 19 | Expired |
| US7507862B2 | Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst | Chemistry; Metallurgy | 15 | Active |
| US5852219A | Catalyst, process for its preparation, and use for synthesis of methyl mercaptan | Chemistry; Metallurgy | 14 | Expired |
| US6337300B1 | Shaped metal fixed-bed catalyst, a process for its preparation and its use | Chemistry; Metallurgy | 9 | Expired |
| US6892763B2 | Valve arrangement | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4539409A | Process for preparing aromatic nitriles | Performing Operations; Transporting | 5 | Expired |
| US8008227B2 | Mixed oxide catalysts for the catalytic gas-phase oxidation of olefins and processes for producing them | Performing Operations; Transporting | 1 | Active |
| US6583435B2 | Manual operating means for valves | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7874064B2 | Device for positioning and fixing wires in tubes | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.