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FUEL TECH INC

Overview
  • Total Patents
    441
  • GoodIP Patent Rank
    39,365
  • Filing trend
    ⇩ 33.0%
About

FUEL TECH INC has a total of 441 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1984. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and basic materials chemistry are CLEAN DIESEL TECH INC, NALEPA CHRISTOPHER J and ADA ES INC.

Patent filings per year

Chart showing FUEL TECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Epperly William Robert 108
#2 Sullivan James Christopher 93
#3 Smyrniotis Christopher R 81
#4 Sun William H 78
#5 Sprague Barry Normand 62
#6 Schulz Kent W 55
#7 Boyle John M 50
#8 Rivera Emelito P 49
#9 Sprague Barry N 49
#10 Epperly William R 42

Latest patents

Publication Filing date Title
US2021053845A1 Removal of Selenium from Water with Kaolinite
WO2018204331A1 Controlling slagging and/or fouling in furnaces burning biomass
US2018194639A1 Controlled, compact, on-demand ammonia gas generation process and apparatus
SE1950253A1 Deposit control for a black liquor recovery boiler
US2019040577A1 Deposit control for a black liquor recovery boiler
US2017089572A1 Process and apparatus for reducing acid plume
US2016263521A1 Process for hydrochloric acid mediation
US2016129396A1 Selective catalytic NOx reduction apparatus providing improved gasification of urea
US2016016113A1 Reducing hydrochloric acid in cement kilns
US2015110698A1 Process for sulfur dioxide, hydrochloric acid and mercury mediation
US2014360409A1 Ash compositions recovered from coal combustion gases having reduced emissions of HCI and/or mercury
EP2961512A1 Process and apparatus for improving the operation of wet scrubbers
US2014314650A1 Processes, apparatus, compositions and systems for reducing emissions of HCI and/or sulfur oxides
MX2013014122A A process for controlling injection of magnesium oxide for controlling so3 with enhanced boiler efficiency.
CA2872782A1 Extractive continuous ammonia monitoring system
TW201438809A Dry processes, apparatus, compositions and systems for reducing sulfur oxides and hci
US2013294987A1 Dry processes, apparatus compositions and systems for reducing mercury, sulfur oxides and HCl
MX2014011720A Dry processes, apparatus, compositions and systems for reducing sulfur oxides and hci.
WO2013022869A1 SELECTIVE CATALYTIC NOx REDUCTION AND CONTROL SYSTEM
WO2012154901A1 Diagnostic tool and process for assessing thermal urea gasification performance