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FROST DOUGLAS R D

Overview
  • Total Patents
    36
About

FROST DOUGLAS R D has a total of 36 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United Kingdom, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, environmental technology and mechanical elements are BREVIND ETS, HAAS PHILIP and MORINI GABRIELE.

Patent filings per year

Chart showing FROST DOUGLAS R Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frost Douglas Robert David 18
#2 Douglas Robert David Frost 2
#3 Frost Douglas R D 1
#4 Vokes Alan Howard 1

Latest patents

Publication Filing date Title
GB0917000D0 Dual flush valve
GB0408918D0 Actuator control-adjustable linkage
GB0120185D0 Inertial thrust generator
GB0015583D0 Dual discharge valve
GB9907783D0 Cistern outlet valve
GB9808263D0 Cistern outlet valve
PL320063A1 Outflow valve
GB9517222D0 Cistern dual flush valve
GB9515414D0 Dual flush outlet valve
GB9509927D0 Fluid inlet valve waste preventer
GB9422286D0 Cistern discharge valve
GB9415609D0 Vacuum assisted flushing system
GB9321444D0 Siphon protected fluid inlet valve
AU5179993A Siphon protected fluid inlet valve
GB9314319D0 Fluid inlet valve waste preventer
GB9308190D0 A fluid outlet valve
GB9221849D0 A fluid discharge system
GB9119088D0 Cistern discharge valve
GB2110155A Portable work bench