Michael Levin
57Patents
12h-index
57Co-inventors
87Inventor score
Filing activity: Oct 5, 1988 → Jul 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5275136A | Variable engine valve control system with hydraulic damper | Physics | 65 | Expired |
| US5136987A | Variable displacement and compression ratio piston engine | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US5572961A | Balancing valve motion in an electrohydraulic camless valvetrain | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US7814745B2 | Approach for delivering a liquid reductant into an exhaust flow of a fuel burning engine | Emerging Cross-Sectional Technologies | 33 | Active |
| US8800276B2 | Mixing system | Mechanical Engineering; Lighting; Heating | 31 | Active |
| US5235939A | Automotive engine torsional pulse enhancer | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US8079211B2 | Bypass purge for protecting against formation of reductant deposits | Emerging Cross-Sectional Technologies | 21 | Active |
| US5375419A | Integrated hydraulic system for electrohydraulic valvetrain and hydraulically assisted turbocharger | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5373817A | Valve deactivation and adjustment system for electrohydraulic camless valvetrain | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4993643A | Fuel injector with variable fuel spray shape or pattern | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6253437A | Hybrid vehicle motor alignment | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6655484B2 | Hybrid powertrain having rotary electric machine, including engine-disconnect clutch, between internal combustion engine and transmission | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8127538B2 | Liquid injector assembly with a flanged connector connection | Emerging Cross-Sectional Technologies | 8 | Active |
| US5562070A | Electrohydraulic camless valvetrain with rotary hydraulic actuator | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7578321B2 | Freeze protection for on-board vehicle emissions treatment system | Emerging Cross-Sectional Technologies | 8 | Active |
| US9080796B2 | Motor vehicle climate control system | Emerging Cross-Sectional Technologies | 8 | Active |
| US8635858B2 | Fluid-spray atomizer | Emerging Cross-Sectional Technologies | 7 | Active |
| US8820052B2 | Liquid reductant system and method for operation of the liquid reductant system | Emerging Cross-Sectional Technologies | 7 | Active |
| US7930878B2 | Method and apparatus for rapidly thawing frozen NOx reductant | Emerging Cross-Sectional Technologies | 7 | Active |
| US10471803B2 | Systems and methods for thermal battery control | Emerging Cross-Sectional Technologies | 6 | Active |
| US8661800B2 | Method of collection and reuse of exhaust heat in a diesel-powered vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US9772026B2 | Differential and differential lubricating fluid management system | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8661785B2 | System and method for liquid reductant injection | Emerging Cross-Sectional Technologies | 6 | Active |
| US9920828B2 | Differential with lubricant control | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8839613B2 | Heat system for an engine | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.