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SMITH DAVID H

Overview
  • Total Patents
    14
About

SMITH DAVID H has a total of 14 patent applications. Its first patent ever was published in 1915. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machines, civil engineering and macromolecular chemistry and polymers are BURIAN GMBH & CO KG, DINOL INT AB and NANTONG HAIYING WOOD INDUSTRY CO LTD.

Patent filings in countries

World map showing SMITH DAVID Hs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 United States 6
#3 Canada 1

Patent filings per year

Chart showing SMITH DAVID Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith David H 7

Latest patents

Publication Filing date Title
US2008209825A1 Color changing system for structures and method therefor
US2007186813A1 Waterproof coating system and method of application
US2006226972A1 Wireless emergency smoke notification system
US5075827A Indirect light fixture amplification reflector system
GB8920717D0 Apparatus for improving the security of computer systems
GB8912789D0 Water raising chambers
GB8912310D0 Water raising chamber
GB8911763D0 Water raising chamber
GB8911224D0 Pressurised water raisins chamber
GB8911223D0 Water raisins chamber
US4394042A Ice skate carrier
CA171224A Device for removing boiler scale