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STONE & WEBSTER INC

Overview
  • Total Patents
    39
About

STONE & WEBSTER INC has a total of 39 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets chemical engineering, organic fine chemistry and environmental technology are ZAKLADY CHEM OSWIECIM, CHANGSHU 3F FLUOROCHEMICAL INDUSTRY CO LTD and INST FIZ ORCH KHIM I UGLEKHIMI.

Patent filings per year

Chart showing STONE & WEBSTER INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Welch Vincent A 7
#2 Mukaddam Waheed A 6
#3 Johnson Dana 6
#4 Demers Francis A 6
#5 Whittle Leslie F 5
#6 Oleksy Slawomir A 5
#7 Hwang Shyh-Yuan Henry 5
#8 Chen David 4
#9 Bhandarkar Maruti 4
#10 Johnson Dana E 4

Latest patents

Publication Filing date Title
US2009183553A1 Detection of impurities in gas streams
TW200424012A Production of alkyl aromatic compounds with catalyst reactivation
US7777086B2 Production of alkyl aromatic compounds
US6343487B1 Advanced heat integrated rectifier system
US6772830B1 Enhanced crossflow heat transfer
US1714176A Refrigerator
US1805118A Maximum demand gas meter
US1668285A Electric power-generating system
US1630301A Method of making carbureted water gas
US1630300A Method for making carbureted water gas
US1630316A Method of making carbureted water gas
US1579451A Refrigerating apparatus