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WESTRUM LEONARD SCHADE VAN

Overview
  • Total Patents
    22
About

WESTRUM LEONARD SCHADE VAN has a total of 22 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Denmark and Austria. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and machines are XIAMEN LIKASAM WATERPROOF ENGINEERING CO LTD, ISAACS MONE R and KATAFLOX PATENT.

Patent filings in countries

World map showing WESTRUM LEONARD SCHADE VANs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Denmark 5
#3 Austria 4
#4 United States 4
#5 Canada 2
#6 Switzerland 1

Patent filings per year

Chart showing WESTRUM LEONARD SCHADE VANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Westrum Leonard Schade Van 21
#2 Schade Westrum Leonard Van 1

Latest patents

Publication Filing date Title
US1565125A Process of producing a binding and waterproofing bituminous soap for binding and waterproofing paving and building materials
GB191506823A Improved Manufacture of Bituminous Compositions.
US1127831A Paint.
GB191002405A Improvements in Methods of Making Roads and the like.
US956009A Method of making roads.
US801938A Method of collecting and preventing the dissemination of dust.
GB190315960A Method of the Prevention of the Production of Dust and for Maintaining the Surfaces of Roads, Permanent Ways, Court-yards, Open or Closed Spaces, and such like.
GB190310210A Means for Preventing Dust Explosions.
GB190307201A A New Sprinkling Medium for Roads.
GB189812669A An Improved Process for Mercerising Cotton Yarns and Fabrics.
CA279417A Bituminous concrete
CA279416A Bituminous concrete