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NAT SCREW & MFG COMPANY

Overview
  • Total Patents
    42
About

NAT SCREW & MFG COMPANY has a total of 42 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets machine tools, machines and mechanical elements are GULISTAN BULENT, ROBERT NEUSCHOTZ and JOSEPH ROSAN.

Patent filings in countries

World map showing NAT SCREW & MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 32
#2 France 4
#3 United Kingdom 4
#4 Germany 2

Patent filings per year

Chart showing NAT SCREW & MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Erdman Harvey C 5
#2 Louis Steinfurth 4
#3 Mortus Benjamin H 3
#4 Davis Frank B 3
#5 Hodell Frederick G 3
#6 Hopkins Howard L 2
#7 Laisy Rudyard E 2
#8 Simko John J 2
#9 Wennerstrom Arthur N 2
#10 Frank Charles James 1

Latest patents

Publication Filing date Title
GB1287214A A blind fastener
FR1544563A Improvements relating to transaction counting systems
FR1536634A Device for detecting the operation of a workpiece forming machine
GB1162127A Fastener
FR1518944A Mechanical assembly device
US3279304A High strength blind fastener
US3307444A Blind fastener
US3363500A Screw
US3357094A Blind fastener
US3203303A Blind fastener
US3202036A Blind fastener
US2932274A Pointer and scale indicator
GB865612A Improvements relating to blind screw and nut fasteners
US2905139A Indicators
US2974558A Blind fastener provided with mandrel nut locking means
US2776681A Power operated tool for use with blind fasteners
US2833325A Countersunk flexible head threaded fastener
US2741783A Screw blank resilient biasing means mounted on rotary carrier
US2716759A Dies for making headed fasteners
US2696328A Blank feeding apparatus