Inventor

Siegfried Klein

Inventor

Paris, FR

Overview

25→

Patents

1981–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers30%

H04WWireless communication networks30%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves5%

H04LTransmission of digital information, e.g. telegraphic communication5%

A61FFilters implantable into blood vessels3%

F01LCyclically operating valves for machines or engines3%

F02BInternal-combustion piston engines3%

F16HGearing3%

G02CSpectacles3%

H01FMagnets3%

PatentTitleYear

10,638,356Transmission of network slicing constraints in 5G wireless networks2020 10,299,175Methods for operating a first base station and a second base station in a radio communication system, first base station and second base station thereof2019 10,182,384Methods for operating a mobile station and a base station in a radio communication system, mobile station and base station thereof2019 9,526,045'Call drop avoidance during radio link failure'2016 9,503,945'Apparatuses, methods and computer programs for a base station transceiver and a relay station transceiver'2016 9,408,089'Method of operating a base station and base station'2016 9,326,225'Method of providing communication over a mobile communication network'2016 9,325,467'Method and system for controlling almost blank subframes (ABS) based on cell border rate ratios'2016 8,989,761'Scheduling data transmissions in a mobile telecommunication network'2015 7,564,783'Method for assigning of channel capacity to communication links'2009 7,505,771'Method for assigning orthogonal variable spreading factor code in a wireless cellular telecommunication system'2009 5,689,067'Diagnostic method and apparatus for monitoring the wear of at least an engine timing chain'1997 5,298,690'Sound distributor with symmetry of revolution'1994 5,103,483'Spherical membrane omnidirectional loudspeaker using a magnetostrictive bimetallic strip'1992 5,014,321'Wide passband omnidirectional loudspeaker'1991 4,924,503'Electroacoustic transducer'1990 4,862,430'Wide pass band elastic wave omnidirectional transducer'1989 4,842,400'Visual apparatus'1989 4,782,471'Omnidirectional transducer of elastic waves with a wide pass band and production process'1988 4,488,010'Loudspeaker'1984 4,482,788'Transducer for the transformation of electrical modulations into vibratory modulations'1984 4,473,721'High-frequency loud speaker'1984 4,472,605'Electrodynamic loudspeaker for low and medium sound frequencies'1984 4,464,544'Corona-effect sound emitter'1984 4,306,120'Sound emitter'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2016Patents assigned to KLEIN SIEGFRIED (14)· patent assignee history

1981–1994Based in Paris, FR· patent location history

1984Based in F-22300, FR· patent location history

1988–1994Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (6)· patent assignee history

1997Based in Esslingen, DE· patent location history

2009Patents assigned to CIT ALCATEL (2)· patent assignee history

2009–2020Based in Stuttgart, DE· patent location history

2015–2019Patents assigned to ALCATEL LUCENT (8)· patent assignee history

2016Patents assigned to BAKKER HAJO (2)· patent assignee history

2016Based in Stuttart, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KLEIN SIEGFRIEDself	14	1981–2016
ALCATEL LUCENT	8	2015–2019
COMMISSARIAT ENERGIE ATOMIQUE	6	1988–1994
BAKKER HAJO	2	2016
CIT ALCATEL	2	2009

Locations

Location	Patents	Span
Paris, FR	12	1981–1994
Stuttgart, DE	10	2009–2020
Stuttart, DE	1	2016
Esslingen, DE	1	1997
F-22300, FR	1	1984