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PERMAGRAIN PRODUCTS INC

Overview
  • Total Patents
    12
About

PERMAGRAIN PRODUCTS INC has a total of 12 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Netherlands and Norway. Its main competitors in its focus markets machines, civil engineering and surface technology and coating are ASAHI WOODTEC CORP, DOMCO TARKETT INC and TRIANGLE PACIFIC CORP.

Patent filings in countries

World map showing PERMAGRAIN PRODUCTS INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Netherlands 1
#3 Norway 1

Patent filings per year

Chart showing PERMAGRAIN PRODUCTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Witt Alvin E 8
#2 Tomasko Joseph E 2
#3 Breault Homer 2
#4 Humphreys Matthew F 2
#5 Witt Alvin Edward 1
#6 Bosco Lewis R 1
#7 Henise Peter D 1

Latest patents

Publication Filing date Title
US6228433B1 Abrasion resistant urethane coatings
US5976689A Coated synthetic resin board tiles
US5653789A Water base conditioner for acrylic wood flooring
US5437934A Coated cement board tiles
US5271200A Title display system
US4568564A Impregnated wood product having a bleached or white appearance and process for making the same
US4519174A Stain-resistant earthen articles, grout and floor and wall surfaces composed thereof
US4407884A Stain-resistant earthen articles
US4256798A Moisture-resistant fire-retardant decorative floor and wall coverings and process for the manufacture thereof
US4095388A Strengthening inter-tile adhesion