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SPEECE RICHARD E

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    239,325
About

SPEECE RICHARD E has a total of 12 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets environmental technology, chemical engineering and machines are SCHREIBER BERTHOLD, LEE SE HAN and ROEDIGER FA WILHELM.

Patent filings in countries

World map showing SPEECE RICHARD Es patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 2
#3 Germany 2
#4 Japan 1

Patent filings per year

Chart showing SPEECE RICHARD Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Speece Richard E 9
#2 E Speece Richard 1
#3 Richiyaado Ii Supiisu 1
#4 Speece Richard Eugene Prof 1

Latest patents

Publication Filing date Title
US10584045B1 Conversion of secondary clarifier into an oxic bioreactor by superoxygenation
US7163632B1 System and method for oxygenation for wastewater treatment
CA1135181A Low energy gas transfer system
US4251365A Low energy gas transfer system
US4064750A Gas flow totalizer
US4087262A Pressurized gas transfer system with dilution control
CA1043478A Pressurized gas transfer system
US3926588A Pressurized gas transfer system
US3643403A Downflow bubble contact aeration apparatus and method
DE1928681A1 Apparatus for introducing a gas into a - liquid