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SMITH ENG CO

Overview
  • Total Patents
    29
About

SMITH ENG CO has a total of 29 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets environmental technology, chemical engineering and thermal processes are WUXI WITDGE ALLOY TECH CO LTD, PLANTEC INC and UNDERPINNING & FOUNDATION CO I.

Patent filings per year

Chart showing SMITH ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 D Souza Melanius 8
#2 York James A 7
#3 Hendricks Erwin 5
#4 Truppi Thomas J 4
#5 Johnson Jeffrey C 4
#6 Wheeler Theodore R 4
#7 Martin Gary 3
#8 Plejdrup Marlin Dale 3
#9 Chiles David 3
#10 Chiles Joseph D 2

Latest patents

Publication Filing date Title
AU8069198A Pollutant reduction catalyst in thermal oxidizer
JPH11104445A Plenum purge system for regenerative thermal oxidizer
US5871349A Rotary valve thermal oxidizer
CA2263880A1 Pre-heating of process stream for thermal oxidizers
US5810581A Pre-heating of process stream for thermal oxidizers
US5770165A Regenerative thermal oxidizer with floor-mounted media support
US5453259A Two-bed regenerative thermal oxidizer with trap for volatile organic compounds
US5365863A Regenerative thermal oxidizer with wood waste burner
US5346393A Multiple-bed thermal oxidizer control damper system
US5259757A Method and apparatus for smokeless burnout of regenerative thermal oxidizer systems
US5098286A Regenerative thermal incinerator apparatus
US5026277A Regenerative thermal incinerator apparatus
CA1088919A Heat exchanger
CA1083562A Replaceable inlet means for heat exchanger
US4133374A Heat exchanger
US4103738A Replaceable inlet means for heat exchanger
US2767764A Device for straightening wheels
US1811247A Bubble tray
US1812835A Pipe coupling