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EDWIN SHOWELL & SONS LTD

Overview
  • Total Patents
    42
About

EDWIN SHOWELL & SONS LTD has a total of 42 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets civil engineering, transport and machine tools are W M S GROUP LTD, SEHANENG CO LTD and SUNGRIM METAL CO LTD.

Patent filings in countries

World map showing EDWIN SHOWELL & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 39
#2 Germany 1
#3 France 1
#4 Ireland 1

Patent filings per year

Chart showing EDWIN SHOWELL & SONS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kennington William Oscar 2
#2 Walker Alan John 1
#3 Boulter Brian William 1

Latest patents

Publication Filing date Title
IE31387L Bolt-through door fitting
GB1190930A Improvements in or relating to Door Furniture
GB960771A Lockset plates and latchset plates
GB956085A Roses, being articles of lock furniture
GB880842A Letter plates for doors
GB800741A Improvements relating to door holders
GB789669A A new or improved door stop
GB756736A Improvements in and relating to draught excluders
GB651023A Improvements relating to fastenings for sliding sash windows
GB617281A Improvements relating to door and like bolts
GB524602A Improvements relating to emergency exit fastenings or panic bolts
GB522747A Improvements relating to electrical coupling devices
GB479231A Improvements relating to lever actuated bolts for doors and the like
GB481987A Improvements relating to pivotal fittings for casement windows, fanlights and the like
GB481981A Improvements relating to barrel bolts for doors and the like
GB482755A Improvements relating to mechanism for retaining casement windows and fanlights in open positions
GB477855A Improvements relating to spring snap catches or fastenings for doors and the like
GB451294A Improvements relating to door fastenings
GB445637A Improvements relating to door latch or latch and lock operating mechanism
GB376931A Improvements relating to bolt operated fastening devices