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CLARKSON IND INC

Overview
  • Total Patents
    49
About

CLARKSON IND INC has a total of 49 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets chemical engineering, furniture and games and engines, pumps and turbines are BAKER WILLIAM JAMES, HMI IND INC and CONET IND INC.

Patent filings in countries

World map showing CLARKSON IND INCs patent filings in countries

Patent filings per year

Chart showing CLARKSON IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Wilfred J 6
#2 Lee W 4
#3 Lee Wilfred John 4
#4 Kaess Frank R 4
#5 Cusumano Guy F 3
#6 Cusumano Guy Francis 2
#7 Kaess F R 2
#8 Lee W J 2
#9 Stephenson Revis Lindsay 2
#10 Stuy H 2

Latest patents

Publication Filing date Title
US4220539A Edge seals for liquid filters
US3977514A Butterfly conveyor clip for flat bed filter
AU6890474A Dust collector for portable rotary disc grinder
US3903992A Device for regreasing bearings
US3876547A Butterfly conveyor clip for flat bed filter
DE2259016A1 Diffusion system for sewage aeration tank - with tubes slotted at ends and surmounted by truncated octahedron
AU4685472A Improvements in or relating to vacuum cleaning systems
US3756738A Centrifugal pump with differential thermal expansion relief means
US3726794A Apparatus and system for removal of latex from waste water
US3690466A Filter
US3675778A Sludge tank with self-cleaning screen and screen for use therein
US3628769A Rotary valved vacuum cleaning system outlet
US3653190A Vacuum cleaners
US3570809A Silent hose coupling
US3594958A Dust collector for grinding tool
GB1145610A Filter
GB1135687A Improvements in or relating to conveyor belts
GB1135481A Anti-surge control for centrifugal compressors