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KIRCHHOFF LELAND W

Overview
  • Total Patents
    12
About

KIRCHHOFF LELAND W has a total of 12 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, digital networks and computer technology are SOMOS INC, AVAYA UK and KAHN ARI.

Patent filings in countries

World map showing KIRCHHOFF LELAND Ws patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing KIRCHHOFF LELAND Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirchhoff Leland W 12
#2 Trandal David S 12
#3 Hofstatter David F 4
#4 Kelley Colin 2
#5 Mcclintock David C 2
#6 Day John R 1

Latest patents

Publication Filing date Title
US8401533B1 Methods and systems for call processing in a wireline and wireless network
US8855107B1 Methods and systems for call routing via a telephone number
US8214338B1 Methods and systems for media storage
US8325886B1 Methods and systems for managing telecommunications
US8548447B1 Methods and systems for blocking unwanted telecommunications
US8121626B1 Method and systems for short message forwarding services
US8270582B1 Methods and systems for routing calls
US2006142012A1 Methods and systems for telephony processing, including location based call transfers