Inventor · Nittendorf, DE

Andreas Wildgen

29Patents
7h-index
29Co-inventors
69Inventor score

Filing activity: Mar 28, 1991 → Jul 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5253517A Flow converter Physics 35 Expired
US8490465B2 Method for the on-board functional diagnosis of a soot sensor in a motor vehicle and/or for the detection of further constituents in the soot Emerging Cross-Sectional Technologies 18 Active
US6350630B1 Method for attaching a micromechanical sensor in a housing and sensor assembly Physics 16 Expired
US8635900B2 Method for evaluating the state of a soot sensor in a motor vehicle Emerging Cross-Sectional Technologies 13 Active
US6505505B1 Method and device for determining the ambient pressure in an internal combustion engine, and air mass meter therefor Mechanical Engineering; Lighting; Heating 10 Expired
US5887338A Method for producing a temperature sensor with temperature-dependent resistance Emerging Cross-Sectional Technologies 8 Expired
US6170327A Air mass meter Physics 7 Expired
US8573187B2 Apparatus for measuring a hydrocarbon concentration and internal combustion engine Physics 5 Active
US5616843A Method and circuit configuration for protecting a heated temperature-dependent sensor resistor against overheating Emerging Cross-Sectional Technologies 4 Expired
US6865938B2 Device for measuring the mass of air flowing inside a line Physics 4 Expired
US8312868B2 Method, device, and system for operating an internal combustion engine Mechanical Engineering; Lighting; Heating 3 Active
US6945105B2 Air mass flowmeter with controlled flow separation position Physics 3 Expired
US5113577A Method for producing a resistor element Emerging Cross-Sectional Technologies 3 Expired
US7159457B2 Mass flow sensor and method for operating the mass flow sensor Physics 3 Expired
US9121862B2 Method and device for measuring the rotational speed of a turbocompressor, and motor vehicle Emerging Cross-Sectional Technologies 2 Active
US8394172B2 Method for rapidly emptying the activated carbon filter while using an HC sensor (concentration change) Mechanical Engineering; Lighting; Heating 2 Active
US9151737B2 Method and device for calibrating a sensor Mechanical Engineering; Lighting; Heating 2 Active
US8695573B2 Hydrocarbon sensor to regulate flow rate in a fuel line Mechanical Engineering; Lighting; Heating 1 Active
US8935950B2 Sensor for measuring hydrocarbon content in a flow of gas in a purge line Physics 1 Active
US9399967B2 Method and device for operating a particle sensor Mechanical Engineering; Lighting; Heating 1 Active
US11253875B2 Multi-dimple orifice disc for a fluid injector, and methods for constructing and utilizing same Mechanical Engineering; Lighting; Heating 0 Active
US8653838B2 Soot sensor Emerging Cross-Sectional Technologies 0 Active
US9791405B2 Oxygen sensor and internal combustion engine comprising said sensor Mechanical Engineering; Lighting; Heating 0 Active
US10214097B2 Tank ventilation system Performing Operations; Transporting 0 Active
US9097151B2 Method and device for measuring the soot load in the exhaust gas systems of diesel engines Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.