Inventor · Zwingenberg, DE

Eduard Ruff

26Patents
4h-index
1Co-inventors
49Inventor score

Filing activity: Jul 12, 2006 → Nov 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9509304B2 Induction generator Physics 7 Active
US11257635B2 Key module for a keyboard, and keyboard Electricity 6 Active
US9013084B2 Induction generator Electricity 4 Active
US7442895B2 Electric switch Electricity 4 Active
US11342134B2 Key module for a keyboard, and keyboard Electricity 4 Active
US8124896B2 Sliding contact switch Electricity 3 Active
US9985509B2 Induction generator and method for generating an electric current using an induction generator Electricity 2 Active
US9484786B2 Induction generator Electricity 2 Active
US11328882B2 Key module for a keyboard, keyboard, and method for providing a key tappet with a wire bracket Electricity 1 Active
US11101085B2 Key module Electricity 1 Active
US9236788B2 Induction generator and method for producing an induction generator Emerging Cross-Sectional Technologies 1 Active
US10767391B2 Device for an actuation handle, actuation handle, and method for wireless transmission of a signal generated by autonomous energy Fixed Constructions 1 Active
US9484796B2 Induction generator and method for producing an induction generator Emerging Cross-Sectional Technologies 1 Active
US10373782B2 Switching device for a radio pushbutton, radio pushbutton, and method for generating a switching signal of a radio pushbutton Emerging Cross-Sectional Technologies 0 Active
US12278063B2 Key module for a keyboard, and keyboard Electricity 0 Active
US11676779B2 Key module trigger element having more than one contact finger each with differing pre-travel paths Electricity 0 Active
US11817857B2 Keystroke detection device, keyboard, and keystroke detection method Electricity 0 Active
US9214716B2 Radio switch Electricity 0 Active
US10079532B2 Induction generator and method for generating an electric current using an induction generator Electricity 0 Active
US11811399B2 Keystroke detection device, keyboard, and keystroke detection method Electricity 0 Active
US9922782B2 Switching device for a radio pushbutton, radio pushbutton, and method for producing a switching signal of a switching device Emerging Cross-Sectional Technologies 0 Active
US11521810B2 Key module Electricity 0 Active
US11710609B2 Key module for a keyboard, keyboard, and method for providing a key tappet with a wire bracket Electricity 0 Active
US11328881B2 Key module for a keyboard and keyboard Electricity 0 Active
US11380496B2 Key module Electricity 0 Active

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