Inventor · Paris, FR

Siegfried Klein

25Patents
7h-index
17Co-inventors
66Inventor score

Filing activity: Mar 31, 1980 → Jul 23, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4842400A Visual apparatus Human Necessities 89 Expired
US5689067A Diagnostic method and apparatus for monitoring the wear of at least an engine timing chain Mechanical Engineering; Lighting; Heating 34 Expired
US4472605A Electrodynamic loudspeaker for low and medium sound frequencies Electricity 32 Expired
US4464544A Corona-effect sound emitter Emerging Cross-Sectional Technologies 19 Expired
US4782471A Omnidirectional transducer of elastic waves with a wide pass band and production process Physics 17 Expired
US5014321A Wide passband omnidirectional loudspeaker Electricity 12 Expired
US4473721A High-frequency loud speaker Electricity 9 Expired
US5298690A Sound distributor with symmetry of revolution Electricity 5 Expired
US4482788A Transducer for the transformation of electrical modulations into vibratory modulations Electricity 5 Expired
US4924503A Electroacoustic transducer Electricity 4 Expired
US5103483A Spherical membrane omnidirectional loudspeaker using a magnetostrictive bimetallic strip Electricity 3 Expired
US4306120A Sound emitter Electricity 3 Expired
US4488010A Loudspeaker Electricity 3 Expired
US10638356B2 Transmission of network slicing constraints in 5G wireless networks Electricity 3 Active
US10299175B2 Methods for operating a first base station and a second base station in a radio communication system, first base station and second base station thereof Electricity 2 Active
US7564783B2 Method for assigning of channel capacity to communication links Electricity 2 Expired
US10182384B2 Methods for operating a mobile station and a base station in a radio communication system, mobile station and base station thereof Electricity 1 Active
US9326225B2 Method of providing communication over a mobile communication network Electricity 1 Active
US9325467B2 Method and system for controlling almost blank subframes (ABS) based on cell border rate ratios Electricity 1 Active
US4862430A Wide pass band elastic wave omnidirectional transducer Physics 1 Expired
US9503945B2 Apparatuses, methods and computer programs for a base station transceiver and a relay station transceiver Electricity 0 Active
US9408089B2 Method of operating a base station and base station Electricity 0 Active
US9526045B2 Call drop avoidance during radio link failure Electricity 0 Active
US8989761B2 Scheduling data transmissions in a mobile telecommunication network Electricity 0 Active
US7505771B2 Method for assigning orthogonal variable spreading factor code in a wireless cellular telecommunication system Electricity 0 Expired

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