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DAVIS RONALD PERCIVAL

Overview
  • Total Patents
    56
About

DAVIS RONALD PERCIVAL has a total of 56 patent applications. Its first patent ever was published in 1974. It filed its patents most often in New Zealand, United Kingdom and Australia. Its main competitors in its focus markets civil engineering, machines and mechanical elements are TROLA GMBH, RIGO SANDRA and KUNZ JOHN R.

Patent filings per year

Chart showing DAVIS RONALD PERCIVALs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Davis Ronald Percival 54

Latest patents

Publication Filing date Title
GB0513854D0 A window stay incorporating a safety catch
NZ532086A Friction Window Stay With Detent To Restrict Excessive Opening Of Window
NZ526960A An offset bearing window stay
NZ512020A A window opening and closing device having two flexible coil arms connected at their outer end to a window sash and connected at their inner ends to a worm gear and runner
CA2356814A1 A window opening and closing device
GB9518868D0 A window stay
NZ272987A Window stay has a locking catch that locks the stay and a sash carried by the stay at a fixed angle of opening
NZ260959A Four arm friction window stay opens window beyond 90 degrees and has sliding pivot joints
GB9405489D0 Movable pivot joint
GB9405454D0 A window stay incorporating a locking head
NZ247212A Safety catch for window stay : arm at end of sash plate
NZ270334A Friction pivot joint : annular bushing and fixing button
GB9211369D0 A window stay
GB9501569D0 Friction pivot joint
NZ242872A Plastics friction pivot joint for window stay
NZ238318A Friction stay with offset pivot joint to frame when fully closed
NZ234642A A flexible coil arm extension/retraction mechanism for opening and closing windows
NZ224244A Window stay
NZ213772A Frictionally pivoted components : fixing device secured beneath shoulder about and within aperture in component: window stay
NZ212599A Frictionally pivoted components : fixing device secured beneath shoulder about and within aperture in component: window stay