Inventor · Grefrath, DE

Norbert Heller

25Patents
10h-index
26Co-inventors
75Inventor score

Filing activity: Sep 18, 1995 → Mar 27, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5621290A Movable-window safety device Fixed Constructions 81 Expired
US8985648B2 Flush handle device for a door of a vehicle Emerging Cross-Sectional Technologies 20 Active
US8874324B2 Sensor device and modular unit therefor Physics 17 Active
US5651218A Reinforcement for sealing, guiding and trimming strips Emerging Cross-Sectional Technologies 15 Expired
US8051606B2 Sealing or guiding assemblies and method of making it Performing Operations; Transporting 15 Active
US6007140A Sealing arrangements Performing Operations; Transporting 14 Expired
US6548143B1 Reinforcements for sealing, finishing and trimming strips Emerging Cross-Sectional Technologies 13 Expired
US5870860A Sealing and wiping arrangement Performing Operations; Transporting 13 Expired
US5752345A Reinforcement for sealing, guiding and trimming strips Emerging Cross-Sectional Technologies 10 Expired
US6525651B1 Force-responsive detectors and systems Fixed Constructions 10 Expired
US8991227B2 Flush handle device for a door of a vehicle Emerging Cross-Sectional Technologies 7 Active
US10501052B2 Assembly module for a motor vehicle with an optical sensor system for monitoring a detection region Physics 5 Active
US8833813B2 Handle device Emerging Cross-Sectional Technologies 5 Active
US10336295B2 Emblem for a motor vehicle with a sensor system for monitoring a detection region and an actuation region and method thereto Fixed Constructions 4 Active
US9919678B2 Assembly module for a motor vehicle with an optical sensor system for monitoring a detection region and an actuation region Physics 2 Active
US6297743A Force-responsive detectors and systems Electricity 2 Expired
US10407024B2 Assembly module Physics 2 Active
US9341005B2 Handle device Emerging Cross-Sectional Technologies 2 Active
US8950225B2 Handle device comprising a shell-shaped bearing Emerging Cross-Sectional Technologies 1 Active
US9879451B2 Handle device having a mechanical return mechanism Emerging Cross-Sectional Technologies 1 Active
US11104298B2 Assembly module for a motor vehicle comprising an optical sensor system and an emergency actuation means Physics 1 Active
US10173641B2 Method for providing an operating signal Physics 1 Active
US10005428B2 Assembly module Performing Operations; Transporting 1 Active
US10600266B2 Assembly module for a motor vehicle Physics 1 Active
US10507762B2 Electronic assembly for illuminating a target area marking a detection area of a sensor Emerging Cross-Sectional Technologies 0 Active

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