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WENTWORTH STEVEN W

Overview
  • Total Patents
    16
About

WENTWORTH STEVEN W has a total of 16 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, mechanical elements and electrical machinery and energy are EARTH TOOL CO LLC, DOLPHIN INTERNATIONAL and HEAD PHILIP F.

Patent filings in countries

World map showing WENTWORTH STEVEN Ws patent filings in countries
# Country Total Patents
#1 United States 16

Patent filings per year

Chart showing WENTWORTH STEVEN Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wentworth Steven W 16
#2 Crane Robert F 9
#3 Ariaratnam Samuel T 2
#4 Hau Paul W 1
#5 Randa Mark D 1
#6 Baum Harry L Iii 1

Latest patents

Publication Filing date Title
US2013098686A1 Dynamic steering tool
US2012043801A1 Method and apparatus for creating a planar cavern
US2011188943A1 Rod pulling and pushing machine for pipe bursting
US2012043800A1 Method and apparatus for creating a planar cavern
US2010219835A1 Non-magnetic transmitter housing
US2010012379A1 Joint for use in back reaming
US2009250265A1 Impact powered transmitter for directional drilling
US2008181728A1 Pipe bursting and replacement apparatus and method
US2006193697A1 Rod pushing and pulling machine
US2007245516A1 Rod pushing and pulling machine
US2007161339A1 Method and apparatus for removing a pipe lining
US2007048090A1 Method and apparatus for installation of underground ducts
US2003084764A1 Method and apparatus for replacement of ductile pipe