Johannes Menzel
83Patents
11h-index
86Co-inventors
81Inventor score
Filing activity: May 19, 1992 → May 5, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8257452B2 | Method for producing hydrogen and power from a synthesis gas | Emerging Cross-Sectional Technologies | 38 | Active |
| US6102987A | Process for the removal of CO.sub.2 and sulfur compounds from industrial gases, in particular from natural gas and raw synthesis gas | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6342091B1 | Method of removing carbon dioxide, sulphur compounds, water and aromatic and higher aliphatic hydrocarbons from industrial gases | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7604684B2 | Method for selective removal of hydrogen sulphide and CO2 from crude gas | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6293981A | Arrangement of an air filter and a membrane carburetor | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8225514B2 | Manually guided implement | Performing Operations; Transporting | 14 | Active |
| US7357380B2 | Anti-vibration element | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6994068B2 | Antivibration device | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7824542B2 | Process for enhancement of the selectivity of physically acting solvents used for the absorption of gas components from industrial gases | Chemistry; Metallurgy | 13 | Active |
| US6910550B2 | Muffler arrangement for an internal combustion engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7270320B2 | Antivibration element | Performing Operations; Transporting | 11 | Expired |
| US7905261B2 | Cover arrangement for a housing of a hand-held power tool | Performing Operations; Transporting | 10 | Active |
| US8672305B2 | Work apparatus | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US6422338B1 | Exhaust gas muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5959262A | Exhaust-gas muffler | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6041890A | Exhaust gas muffler for the combustion engine of a portable working tool | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6799373B2 | Portable work apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7406771B2 | Protective shield for a free-cutting tool | Human Necessities | 7 | Active |
| US5607594A | Process for purifying an aqueous methyldiethanolamine solution | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5434187A | Eye drops | Human Necessities | 5 | Expired |
| US6170604A | Exhaust gas muffler | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7293330B2 | Tubular handle for a manually guided implement | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6502315B2 | Work apparatus having a centrifugal clutch | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7674321B2 | Method for removing acid gases from pressurized natural gas that is contaminated with acid gas compounds and recovering the removed acid gases at an increased pressure level | Chemistry; Metallurgy | 5 | Active |
| US6578831B2 | Carburetor arrangement | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.