Learn more

SINK AND FLOAT CORP

Overview
  • Total Patents
    11
About

SINK AND FLOAT CORP has a total of 11 patent applications. Its first patent ever was published in 1940. It filed its patents most often in Canada and United States. Its main competitors in its focus markets chemical engineering are INHEED PTY LTD, KIESOW ROHSTOFFRUECKGEWINNUNG and CARPCO RES AND ENGINEERING.

Patent filings in countries

World map showing SINK AND FLOAT CORPs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 3

Patent filings per year

Chart showing SINK AND FLOAT CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering

Focus technologies

# Technology
#1 Separating solids using liquids

Top inventors

# Name Total Patents
#1 Pearson Andrew 3
#2 Trostler Fredrick 3
#3 Andrews Thomas 2
#4 Fredrick Trostler 2
#5 Trostler Frederick 1
#6 Zeigler William L 1
#7 Thomas Andrews 1
#8 Skelton William Richard 1
#9 Andrew Pearson 1
#10 Garber Claude Yant 1

Latest patents

Publication Filing date Title
US2398127A Separation of solid materials of different specific gravity
US2333347A Separation of solid materials of different specific gravities
US2315650A Heavy liquid or suspension
CA427434A Solid material separating apparatus
CA397504A Ore concentration
CA420551A Heavy liquid or suspension
CA435287A Sink and float separation process
CA435022A Solid material separation
CA464860A Combined vibratory scrubber, stratifier and screen for minerals
CA407000A Mineral suspension material and process
CA435021A Solid material separation