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BROWN & ROOT

Overview
  • Total Patents
    322
About

BROWN & ROOT has a total of 322 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, United Kingdom and Norway. Its main competitors in its focus markets civil engineering, mechanical elements and transport are DORIS DEV RICHESSE SOUS MARINE, JEORY JAMES and BRITANNIA ENGINEERING ISLE OF MAN LTD.

Patent filings in countries

World map showing BROWN & ROOTs patent filings in countries

Patent filings per year

Chart showing BROWN & ROOTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lochridge Joe C 28
#2 Rochelle William R 17
#3 Blight Graham J 15
#4 Nolan Clyde E Jr 12
#5 Koehler Albert M 10
#6 Lochridge J 9
#7 Rohde Heinz K 7
#8 Rochelle W 7
#9 Desai Ardeshir Rustomji 6
#10 Smith Leif H 6

Latest patents

Publication Filing date Title
GB9906453D0 Unmanned offshore platform and method of performing maintenance work thereon
US5935544A Moderate excess nitrogen Braun Purifier™ process and method for retrofitting non-Braun Purifier™ ammonia plants
US5678424A Rectified reflux deethanizer
GB9400010D0 Reinforcing structural members
GB9326298D0 Connection method
EP0369640A2 Method and apparatus for gas phase polymerization of olefins in vertically stacked reactors
US4865359A Press fit pipe joint and method
US4710059A Method and apparatus for simultaneous trenching and pipe laying in an arctic environment
GB8622896D0 Drawworks
GB8529180D0 Semi-submersible lifting vessels
GB8502600D0 Offshore platforms
GB8502043D0 Improvements in and relating to semi-submersible vessels
GB8430424D0 Semi-submersible lifting vessels
CA1127855A Trenching apparatus
GB2075096A Mooring and supporting apparatus and methods for a guyed marine structure
GB2033946A Erecting offshore structures
GB2021665A Method of erecting an offshore structure
GB2022662A Methods of and apparatus for forming offshore structures
US4273474A Grouting of offshore jackets to distribute forces among the anchoring piles
US4252469A Method and apparatus for installing integrated deck structure and rapidly separating same from supporting barge means