Michael Krumpelt
28Patents
13h-index
30Co-inventors
81Inventor score
Filing activity: Oct 4, 1976 → Dec 1, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5248566A | Fuel cell system for transportation applications | Emerging Cross-Sectional Technologies | 127 | Expired |
| US4142950A | Apparatus and process for electrolysis using a cation-permselective membrane and turbulence inducing means | Chemistry; Metallurgy | 56 | Expired |
| US4175025A | Sealed membrane filter press electrolytic cells | Chemistry; Metallurgy | 32 | Expired |
| US5232794A | Ionic conductors for solid oxide fuel cells | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6916570B2 | Oxygen ion conducting materials | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6713040B2 | Method for generating hydrogen for fuel cells | Chemistry; Metallurgy | 27 | Expired |
| US5942346A | Methanol partial oxidation reformer | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6303098A | Steam reforming catalyst | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5213911A | Solid-oxide fuel cell electrolyte | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6843960B2 | Compositionally graded metallic plates for planar solid oxide fuel cells | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6110861A | Partial oxidation catalyst | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5929286A | Method for making hydrogen rich gas from hydrocarbon fuel | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6244367A | Methanol partial oxidation reformer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7507690B2 | Autothermal reforming catalyst having perovskite structure | Performing Operations; Transporting | 11 | Expired |
| US6977122B2 | Proton conducting membrane for fuel cells | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4292378A | Thermal regeneration of an electrochemical concentration cell | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4115218A | Method of electrolyzing brine | Chemistry; Metallurgy | 9 | Expired |
| US6521202B1 | Oxygen ion conducting materials | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5939025A | Methanol partial oxidation reformer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4127457A | Method of reducing chlorate formation in a chlor-alkali electrolytic cell | Chemistry; Metallurgy | 7 | Expired |
| US4089759A | Method for improving selectivity of membranes used in chlor-alkali cells | Chemistry; Metallurgy | 6 | Expired |
| US4204921A | Method for rejuvenating chlor-alkali cells | Chemistry; Metallurgy | 5 | Expired |
| US6967063B2 | Autothermal hydrodesulfurizing reforming method and catalyst | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6821498B2 | Oxygen ion conducting materials | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7563292B2 | Fuel processor and method for generating hydrogen for fuel cells | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.