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KELLER RALF

Overview
  • Total Patents
    36
About

KELLER RALF has a total of 36 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, digital networks and control are HALYS, KUROKAWA OSAMU and OSBORN CHRISTOPHER MARTIN EDWARD.

Patent filings in countries

World map showing KELLER RALFs patent filings in countries
# Country Total Patents
#1 United States 36

Patent filings per year

Chart showing KELLER RALFs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Telecommunications
#2 Digital networks
#3 Control

Top inventors

# Name Total Patents
#1 Keller Ralf 36
#2 Lindholm Fredrik 19
#3 Olsson Magnus 8
#4 Witzel Andreas 7
#5 Ranke Karl-Peter 6
#6 Hallenstål Magnus 4
#7 Wang Jian 3
#8 Heidermark Alf 2
#9 Alonso Alarcon Antonio 1
#10 Rönneke Hans 1

Latest patents

Publication Filing date Title
US2014113667A1 Node for short message context
US2013329647A1 Enhanced handling of access capability information in a mobile network
US2014219249A1 Methods of and nodes for informing a control node in a serving communication network of address information about a session anchor node in the serving communication network
US2013308632A1 Routing terminating calls
US2013343279A1 Selection of service domain in IMS centralised services
US2013136058A1 Handling a registration timer to provide service continuity in IMS
US2008198764A1 Communication path allocating entity and method