Greer Steel Company

United States of America

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2024 1
2020 1
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IPC Class
C21D 9/16 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for explosive shells 4
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon 4
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium 4
F42B 5/32 - Cartridge cases for rim fire 4
C21D 6/00 - Heat treatment of ferrous alloys 3
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Status
Pending 1
Registered / In Force 4
Found results for  patents

1.

STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RIMFIRE CARTRIDGES

      
Application Number 18419766
Status Pending
Filing Date 2024-01-23
First Publication Date 2024-05-16
Owner GREER STEEL COMPANY (USA)
Inventor
  • Campbell, Douglas B.
  • Daenzer, Todd

Abstract

The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.

IPC Classes  ?

  • C21D 9/16 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for explosive shells
  • C21D 6/00 - Heat treatment of ferrous alloys
  • C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
  • C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
  • C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
  • C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
  • C23C 2/06 - Zinc or cadmium or alloys based thereon
  • F42B 5/28 - Cartridge cases of metal
  • F42B 5/32 - Cartridge cases for rim fire
  • F42B 33/00 - Manufacture of ammunitionDismantling of ammunitionApparatus therefor

2.

Steel compositions, methods of manufacture and uses in producing rimfire cartridges

      
Application Number 16895061
Grant Number 11905569
Status In Force
Filing Date 2020-06-08
First Publication Date 2020-09-24
Grant Date 2024-02-20
Owner GREER STEEL COMPANY (USA)
Inventor
  • Campbell, Douglas B.
  • Daenzer, Todd

Abstract

The present invention provides steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions are substitutes for conventional brass used in the manufacture of rimfire ammunition cartridges and, in particular, for use in .22 caliber firing devices. Also provided are methods of processing and treating the steel compositions for use in the rimfire cartridges that include cold-rolling and annealing steps to create suitable physical properties.

IPC Classes  ?

  • C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • F42B 5/32 - Cartridge cases for rim fire
  • F42B 5/28 - Cartridge cases of metal
  • C21D 9/16 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for explosive shells
  • C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
  • C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
  • C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
  • C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
  • C21D 6/00 - Heat treatment of ferrous alloys
  • C23C 2/06 - Zinc or cadmium or alloys based thereon
  • F42B 33/00 - Manufacture of ammunitionDismantling of ammunitionApparatus therefor
  • C23C 2/26 - After-treatment
  • C23C 2/02 - Pretreatment of the material to be coated, e.g. for coating on selected surface areas

3.

Steel compositions, methods of manufacture and uses in producing rimfire cartridges

      
Application Number 14971233
Grant Number 10676801
Status In Force
Filing Date 2015-12-16
First Publication Date 2016-06-30
Grant Date 2020-06-09
Owner Greer Steel Company (USA)
Inventor
  • Campbell, Douglas B.
  • Daenzer, Todd

Abstract

The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.

IPC Classes  ?

  • C21D 1/00 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
  • C21D 9/16 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for explosive shells
  • C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
  • C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
  • C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
  • C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/00 - Ferrous alloys, e.g. steel alloys
  • C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
  • C21D 6/00 - Heat treatment of ferrous alloys
  • C23C 2/26 - After-treatment
  • C23C 2/06 - Zinc or cadmium or alloys based thereon
  • C23C 2/02 - Pretreatment of the material to be coated, e.g. for coating on selected surface areas
  • F42B 5/32 - Cartridge cases for rim fire
  • F42B 33/00 - Manufacture of ammunitionDismantling of ammunitionApparatus therefor

4.

STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RIMFIRE CARTRIDGES

      
Document Number 02970827
Status In Force
Filing Date 2015-12-16
Open to Public Date 2016-06-23
Grant Date 2021-07-20
Owner GREER STEEL COMPANY (USA)
Inventor
  • Campbell, Douglas B.
  • Daenzer, Todd

Abstract

The present invention relates generality to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties. The present invention relates generally to steel compositions and methods of processing the steel compositions for producing steel-cased rimfire cartridges. In one aspect, the invention provides a steel composition for rimfire ammunition cartridges.

IPC Classes  ?

  • C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
  • C21D 8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
  • C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
  • C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
  • C21D 9/16 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for explosive shells

5.

STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RIMFIRE CARTRIDGES

      
Application Number US2015065980
Publication Number 2016/100440
Status In Force
Filing Date 2015-12-16
Publication Date 2016-06-23
Owner GREER STEEL COMPANY (USA)
Inventor
  • Campbell, Douglas B.
  • Daenzer, Todd

Abstract

The present invention relates generality to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties. The present invention relates generally to steel compositions and methods of processing the steel compositions for producing steel-cased rimfire cartridges. In one aspect, the invention provides a steel composition for rimfire ammunition cartridges.

IPC Classes  ?