Michael Hoffmann
53Patents
13h-index
81Co-inventors
87Inventor score
Filing activity: Oct 17, 1984 → Mar 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5550739A | Semi-active suspension control system | Performing Operations; Transporting | 42 | Expired |
| US5533738A | Pressure controlled apparatus for sealing shutoff devices located in pipelines | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5729978A | Supercharged internal combustion engine with capability for mechanical step-up drive of an exhaust gas turbocharger | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6440575B1 | Ceramic thermal barrier layer for gas turbine engine component | Chemistry; Metallurgy | 34 | Expired |
| US5419824A | Electrode, electrode manufacturing process and electrochemical cell | Chemistry; Metallurgy | 33 | Expired |
| US6555243B2 | Thermoplastic multilayer composites | Emerging Cross-Sectional Technologies | 33 | Expired |
| US9700997B2 | Hand power tool | Physics | 32 | Active |
| US4697462A | Active cloudwater collector | Physics | 28 | Expired |
| US6938411B2 | Method for removing nitrogen oxides and particulates from the lean exhaust gas of an internal combustion engine and exhaust gas emission system | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5364508A | Electrochemical method and device for generating hydroxyl free radicals and oxidizing chemical substances dissolved in water | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6764771B1 | Product, especially a gas turbine component, with a ceramic heat insulating layer | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7132141B2 | Multilayer polymer hose line or tubing having reduced length variations | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6748917B1 | Direct injection spark ignition engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4880740A | Microbial reduction of iron ore | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7377271B2 | Centrifugal oil separator for blow-by gases of an internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7516737B2 | Internal combustion engine with cooling system and exhaust gas recirculation system | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US8291142B2 | Method, bus components, and control system for ethernet-based control of an automation system | Electricity | 9 | Active |
| US6410894B1 | Metallic overcoat for thick film heater termination | Electricity | 6 | Expired |
| US7150270B2 | Arrangement for handling the fuel supply in a common rail fuel injection system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6050239A | Control arrangement for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6973775B2 | Method for desulfating a nitrogen oxide storage catalyst | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8898364B2 | Method, system, and bus coupler for exchanging data between a higher-level network and a lower-level network | Electricity | 5 | Active |
| US6806819B2 | Integrated circuit for targeted bitlength manipulation for serial data transmission | Electricity | 5 | Expired |
| US7865648B2 | Modular data transmission system with separate energy supply for each connected module | Electricity | 4 | Active |
| US7913518B2 | Process and device for pushing hollow glass objects from a glass forming machine onto a conveyor belt | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.