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THOMAS DAVID W

Overview
  • Total Patents
    12
About

THOMAS DAVID W has a total of 12 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machine tools, measurement and machines are THOMAS DAVID WILLIAM, KATAYAMA NUKIGATA SEISAKUSHO K and ZHAO ZHIYING.

Patent filings in countries

World map showing THOMAS DAVID Ws patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 United States 4
#3 Canada 2

Patent filings per year

Chart showing THOMAS DAVID Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thomas David W 6
#2 Corby Robert S 1

Latest patents

Publication Filing date Title
GB0511591D0 Metal forming and working apparatus
GB0510185D0 Baler apparatus for waste material disposal
GB9914470D0 Profile cutting apparatus
GB9819473D0 Profile cutting apparatus
GB9806103D0 Apparatus for drenching animals
GB9607480D0 Hydraulic couplings for trailers
CA1127464A Seed drill apparatus
US4324347A Seed drill apparatus
US3290598A Microwave anechoic chamber
US1915769A Steering wheel
US1765807A Apparatus for making flanged metal spiders