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NSF LTD

Overview
  • Total Patents
    54
About

NSF LTD has a total of 54 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets electrical machinery and energy, transport and machines are BONNELLA SWITCHES LTD, HEINEMANN ELECTRIC CO and NOARK ELECTRICS SHANGHAI CO LTD.

Patent filings in countries

World map showing NSF LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 46
#2 France 4
#3 Germany 3
#4 United States 1

Patent filings per year

Chart showing NSF LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Kenneth Graham 14
#2 Hunter Wilfred 7
#3 Evans Michael David 6
#4 Parry Stanley David 4
#5 Deverill Stanley Albert Willia 3
#6 Wood Victor James 3
#7 Owens William Maurice 3
#8 Deverill Stanley 2
#9 Shepherd James Harry 1
#10 Hunter William 1

Latest patents

Publication Filing date Title
GB1488030A Electric switch assembly
GB1441112A Electric switches
GB1359686A Lock- off switch
GB1396392A Electric switches
GB1409552A Electrical contact arrangements and electric switches including such arrangements
GB1400833A Rotary electric switches
GB1412296A Motor driven timing apparatus
GB1314335A Electric switches
GB1201082A Indexing device for a rotary control
GB1189310A Improvements in or relating to Electric Switches
GB1202699A Improvements in or relating to electric switches
GB1126223A Improvements in and relating to electric switches
GB1137862A Improved trigger action mechanism
GB1120553A Improvements in and relating to electric switches for road vehicles
GB1094822A Improvements in or relating to electrical switches
GB1060692A Improvements in and relating to electric switches
GB1055381A Improvements in or relating to electric switches
GB995105A Improvements in or relating to electric switches
GB1031759A Improvements in and relating to electric switches
GB986605A Improvements in and relating to electric switches