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DAVID AULD & SONS LTD

Overview
  • Total Patents
    27
About

DAVID AULD & SONS LTD has a total of 27 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United Kingdom. Its main competitors in its focus markets control, mechanical elements and engines, pumps and turbines are KOSMOS ARMATUREN & APPBAU, MAJERT RUDOLF GMBH and BAUMEISTER KOSMOS ARMATUREN.

Patent filings in countries

World map showing DAVID AULD & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 27

Patent filings per year

Chart showing DAVID AULD & SONS LTDs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB554561A Improvements in and relating to pressure reducing valves
GB551563A Improvements in and relating to pressure reducing valves
GB545554A Improvements in and relating to reducing valves
GB544424A Improvements in and relating to reducing valves
GB502717A Improvements in and relating to safety valves for steam boilers and the like
GB498083A Improvements in and relating to apparatus for desuperheating steam
GB474253A Improvements in and relating to safety valves for steam boilers and the like
GB455016A Improvements relating to pressure reducing valves or regulators
GB455015A Improvements relating to pressure reducing valves or regulators
GB312711A Improvements in and relating to reducing valves, stop valves, regulating valves and other valves
GB253466A Improvements in and relating to pressure reducing valves or regulators
GB173966A Improvements in and relating to apparatus for the cooling or heating of fluids
GB168278A Improvements in and relating to valves
GB164925A Improvements in valve gear
GB165586A Improvements in full way valves
GB165984A Improvements in valve gear for direct acting duplex steam engines
GB143174A Improvements in and relating to safety valves and the like
GB112548A Improvements in and relating to Fluid Pressure Reducing Valves.
GB191422171A Improvements in and relating to Stop Valves.
GB191322195A Improvements in and relating to Safety Valves for Steam Boilers and the like.