Inventor · Hemmingen, DE

Uwe Hammer

36Patents
6h-index
66Co-inventors
72Inventor score

Filing activity: Oct 2, 1991 → May 8, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5325830A Device for governing the idling rpm of an integral combustion engine Emerging Cross-Sectional Technologies 40 Expired
US8365519B2 Charging device with exhaust gas temperature control device Emerging Cross-Sectional Technologies 9 Active
US6167866A Control device for controlling the power of a driving engine Mechanical Engineering; Lighting; Heating 8 Expired
US5307774A Device for governing the idling RPM of an internal combustion engine Mechanical Engineering; Lighting; Heating 7 Expired
US5690070A Apparatus for governing the idling RPM of an internal combustion engine Mechanical Engineering; Lighting; Heating 6 Expired
US5467749A Apparatus for governing the idling rpm of an internal combustion engine Mechanical Engineering; Lighting; Heating 6 Expired
US6886806B2 Throttle-valve actuating unit Mechanical Engineering; Lighting; Heating 6 Expired
US6701879B2 Internal combustion engine Mechanical Engineering; Lighting; Heating 5 Expired
US6776129B2 Hydraulic actuator for a gas exchange valve Mechanical Engineering; Lighting; Heating 5 Expired
US7007642B2 Hydraulic valve actuator for actuating a gas-exchange valve Mechanical Engineering; Lighting; Heating 3 Expired
US6857403B2 Hydraulically controlled actuator for activating a valve Mechanical Engineering; Lighting; Heating 3 Expired
US6745994B2 Device for repositioning a rotating element Emerging Cross-Sectional Technologies 3 Expired
US6948463B2 Cylinder head Mechanical Engineering; Lighting; Heating 3 Expired
US5890473A Ignition device for a multi-cylinder internal combustion engine Mechanical Engineering; Lighting; Heating 3 Expired
US5415714A Method for positionally securing two different components together Performing Operations; Transporting 3 Expired
US5564388A Device for controlling the idling speed of an internal combustion engine Mechanical Engineering; Lighting; Heating 3 Expired
US6568652B2 Throttle valve restoring device Mechanical Engineering; Lighting; Heating 3 Expired
US6729287B2 Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet Emerging Cross-Sectional Technologies 3 Expired
US5501205A Ignition coil set for a multicylinder internal combustion engine Electricity 3 Expired
US6688268B2 Connection between a shaft end of a gas exchange valve of an internal combustion engine and a final control element of a valve actuator Mechanical Engineering; Lighting; Heating 3 Expired
US5554901A Servo-drive for rotary angle adjustment of an actuator for controlling an opening cross-section of a medium flow line Mechanical Engineering; Lighting; Heating 3 Expired
US6736093B2 Device for controlling at least one gas-changing of an internal combustion engine Mechanical Engineering; Lighting; Heating 2 Expired
US5232197A Control device Mechanical Engineering; Lighting; Heating 2 Expired
US6886513B2 Valve mechanism comprising a variable cross-section of a valve opening Mechanical Engineering; Lighting; Heating 2 Expired
US5286008A System for inerting a casting vessel used for transporting molten metal Chemistry; Metallurgy 2 Expired

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