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CROWN FASTENER CORP

Overview
  • Total Patents
    61
About

CROWN FASTENER CORP has a total of 61 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, materials and metallurgy and consumer goods are PLASCO LTD, MORIN LOUIS H and DAVIS MARINSKY.

Patent filings in countries

World map showing CROWN FASTENER CORPs patent filings in countries
# Country Total Patents
#1 United States 25
#2 United Kingdom 16
#3 Canada 14
#4 Switzerland 4
#5 Germany 1
#6 France 1

Patent filings per year

Chart showing CROWN FASTENER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kellum Paul S 6
#2 Plumley Richard G 5
#3 Morin Louis H 4
#4 Fastener Corporation Crown 4
#5 Otto Gries 4
#6 Taylor William H 4
#7 Willis Charles C 3
#8 Thompson George N 2
#9 Pierce Leon W 2
#10 Anderson Charles S 2

Latest patents

Publication Filing date Title
GB611702A Improvement in method and apparatus for producing a series of die cast articles
GB611703A Improvement in method of forming and trimming die castings
US2581854A Method of freeing and ejecting die castings formed on cores
US2540485A Lock slider
US2542453A Double-acting slider
US2496131A Method and apparatus for forming and trimming die castings
US2579951A Apparatus for casting heads on pins
US2415151A Display package
GB609729A Die-casting die
GB602544A Method of automatically forming undercut die castings
GB602542A Method of forming and ejecting die castings
GB604691A Sliding clasp fasteners
US2506966A Apparatus for casting enlarged bodies on pins or rods
US2426133A Awning structure
GB593853A Swivel-jointed article and method of producing the same
GB593852A Method of producing buckles
GB593335A Hinge and method of producing the same
GB594375A Articulated articles comprising die-cast members
US2405539A Enclosure
GB590230A Improvement in method of forming and trimming die castings