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PARKER WINDER & ACHURCH LTD

Overview
  • Total Patents
    28
About

PARKER WINDER & ACHURCH LTD has a total of 28 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United Kingdom. Its main competitors in its focus markets civil engineering, control and thermal processes are WEIDTMANN WILHELM, ZIGENIA AUBI KG and HEINR STRENGER FA.

Patent filings in countries

World map showing PARKER WINDER & ACHURCH LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 28

Patent filings per year

Chart showing PARKER WINDER & ACHURCH LTDs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB652437A Improvements relating to oil-fired heating apparatus
GB529823A Improvements in storage means for bicycles
GB527813A Improvements in friction pivots
GB424940A Improvements in coin freed locks
GB392080A Improvements in hinges for casement windows
GB391269A Improvements in apparatus for screening and washing granular materials
GB377521A Improvements in coin freed lock or latch mechanism
GB380286A Improvements in coin freed lock or latch mechanism
GB362598A Improvements in pivots for window sashes or the like
GB350741A Improvements in turn button fastenings
GB340863A Improvements in casement stays
GB346922A Improvements in locks or latches
GB343244A A new or improved latch for doors or the like
GB320006A Improvements in latches for fanlights or other pivoted panels
GB313472A Improvements in signs
GB299954A Improvements in or relating to combination grates or cooking ranges
GB275773A A new or improved device for retaining garage or other doors in an open position
GB273039A Improvements in electric resistances
GB263981A Improvements in locks or latches
GB257129A Improvements in stays for casement windows or the like