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CARTER RALPH B CO

Overview
  • Total Patents
    22
About

CARTER RALPH B CO has a total of 22 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets environmental technology, chemical engineering and engines, pumps and turbines are SPEECE RICHARD E, SCHREIBER BERTHOLD and ROEDIGER FA WILHELM.

Patent filings in countries

World map showing CARTER RALPH B COs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 6
#3 United Kingdom 1

Patent filings per year

Chart showing CARTER RALPH B COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carter Jr Ralph B 6
#2 Boschen William O 5
#3 Nemecsek Louis J 2
#4 Johnson Arthur L 2
#5 Annichiarico Angelo V 2
#6 Davenport Robert W 2
#7 Carter Ralph B Jr 1
#8 Crookes Leroy W 1
#9 Kiekhoefel Fred G 1
#10 Grieshaber Otto A 1

Latest patents

Publication Filing date Title
US4410281A Mixing method and apparatus utilizing pipe elbows
US4051035A Apparatus for the aerobic treatment of liquid waste
CA987765A Waste water process tank control facility
US3356347A Method of producing a uniformly distributed, true, interfering current, mixing condition and apparatus therefor
US3191539A Cut-water for self-priming centrifugal pumps
US3077163A Liquid ejectors
US2665248A Flocculation mechanism
US2616846A Supernatant liquor strainers for sludge digestion tanks
US2601430A Distributor of the rotary type
US2528887A Means for purifying sewage and the like
US2499816A Flocculation and mixing apparatus
US2451030A Centrifugal pump
US2422394A Method of digesting sludge arranged at different levels and apparatus therefor
US2446772A Combined wet screening and shredding apparatus
US2382605A Apparatus for effecting clarification of turbulent liquid by flocculation
US1374156A Pump
CA732407A Cut-water for self-priming centrifugal pumps
CA456163A Sewage digestion apparatus and method of digesting sludge
CA858393A Method of producing a uniformly distributed, true, interfering current, mixing condition and apparatus therefor
CA489799A Means for purifying sewage and the like