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US STONEWARE CO

Overview
  • Total Patents
    60
About

US STONEWARE CO has a total of 60 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, chemical engineering and thermal processes are FOSCOLOR LTD, JOHN MARCO and HOLL RICHARD A.

Patent filings in countries

World map showing US STONEWARE COs patent filings in countries
# Country Total Patents
#1 United States 35
#2 Canada 16
#3 United Kingdom 8
#4 France 1

Patent filings per year

Chart showing US STONEWARE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eckert John S 30
#2 Eckert John Samuel 4
#3 Chamberlain James M W 4
#4 Burnip Harold A 3
#5 Brown Charles S 2
#6 Wentz Robert A 2
#7 Siddall Don F 2
#8 Gluck David G 2
#9 Chamberlain John J 2
#10 Howard Farkas 1

Latest patents

Publication Filing date Title
US3232590A Treating tower having a plate for collecting, mixing and distributing liquid
US3228544A Jar mill mounting
US3259380A Total redistributor
US3181842A Portable drum rotator
US3325376A Distillation column
US3211480A Rotator
US3243171A In-bed redistributor and method of assembly
US3210914A Fume scrubber
US3273872A Distributor plate
US3158171A Distributor
GB943730A Mixing apparatus and process
US3100568A Protective cover
US3266787A Pall ring
US3132846A Blending apparatus
FR1354772A Lining saddle for chemical processing tower
US3168293A Blending apparatus and process
US3192671A Panel structures
US3086332A Drum tumbler
GB949688A Moulding tower packing elements
GB949686A Tower packing elements and methods of moulding such elements