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WASHINGTON GROUP INT

Overview
  • Total Patents
    21
About

WASHINGTON GROUP INT has a total of 21 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States, Brazil and Canada. Its main competitors in its focus markets thermal processes, organic fine chemistry and chemical engineering are MOBILE PROCESS TECHN INC, CODIGNOLA FRANCO and RAYTHEON ENGINEERS & CONSTRUCT.

Patent filings per year

Chart showing WASHINGTON GROUP INTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Welch Vincent A 8
#2 Larsen Thomas L 4
#3 Hubbell Douglas S 3
#4 Rutten Philippe W M 3
#5 Law James S 3
#6 Jayaswal Umesh K 2
#7 Mukaddam Waheed 1
#8 Radovich Michael J 1
#9 Guarino Richard F 1
#10 Palmer Dave P 1

Latest patents

Publication Filing date Title
US2009020179A1 Leakproof draft system pressure/vacuum relief device for power plants
US2009001335A1 Redeployable barrier fence system
US2005034445A1 Method and apparatus for combined cycle power plant operation
WO0240435A1 Economical purification of bisphenol a
BR0012680A Enhanced cross-flow heat transfer
EP1100616A1 Radial flow reactor
US6376736B1 Production of high purity meta-xylene
US6171449B1 Cascade reboiling of ethylbenzene/styrene columns