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Patents

With a company heritage dating back to 1866, Winchester Ammunition is a global leader in sporting, law enforcement, military and personal defense ammunition production.

As the industry leader, Winchester continues to raise the bar in the development and manufacturing of innovative products. In our more than 145-year history, Winchester has established a robust patent portfolio, which is a commitment to the protection authentic and innovative products and processes.

In accordance with Section 287(a) of Title 35 of the United States Code, the reader is hereby placed on notice of Winchester's rights in the United States Patents listed on this site and associated with the following products.

Centerfire Handgun Patents

  • STHP - 5507232
  • USA JHP - 5507232
  • Defender - 8256352, 13/570768
  • Ranger Bonded - 8256352,13/570768
  • Winclean - 6878221, 5417160
  • Super-Clean - 687221, 541760
  • Ranger Frangible - 687221, 541760
  • Dual Bond - WO/2010/011988, 12/505177
  • Other - D753259, D764624

Centerfire Rifle Patents

  • Ranger Frangible - 6878221, 5417160
  • Super-Clean - 6878221, 5417160
  • USA FMJ - 6878221, 5417160
  • Ballistic Silvertip - 5544398, 5528990
  • Accubond CT - 5544398, 5528990
  • XP3 - 5544398, 5528990, 29/265377, 29/265371, 9562753
  • E-Tip - 5544398, 5528990
  • Defender - 13/233444, 9056333, 9046333
  • Other - D753259

Shotshell Patents

  • Blind Side - D654138, 2012-0234199, WO2012/125944, 2147892, 674892, D654137, D773008
  • Super-X Waterfowl - 2477843, 6749662, 6258316, 2361232, 284455, 767595, 1068037, 2147892, 674892
  • Drylok - 2147892, 674892
  • Defender - D633166, 2011-0185936, 2011-0174186, 0012887240001, 2012-0199035, WO2012/109291, 9322622
  • Razorback - 0012887240001, 2012-0199035, WO2012/109291
  • Super-X Buckshot - 5970878, 1053446, 1053446, 1053446, 2320048
  • Super-X Game - 7150229, 7707942, 200609862, 1745258, 6020050344411, 1745258
  • AA - 7150229, 7707942, 200609862, 1745258, 6020050344411, 1745258, 1745258, 1745258, 1745258, 1745258
  • Super-X Steel Game/Target - 2477843, 6749662, 6258316, 2361232, 284455, 1745258, 1745258, 1745258, 1745258
  • XP3 - 7302892, 6799519, 6564720, 7007609, 767595, 1068037
  • Dual Bond - 2010-0018430, 7302892, 6799519, 6564720, 7007609
  • Partition Gold - 7302893, 6799520, 6564720, 7007609
  • Winlite - 7302894, 6799521, 6564720, 7007609
  • Ranger - 0012887240001, 2012-0199036, WO2012/109292, 9322622
  • Industrial (8 gauge) - 6038978, 1053446, 1053446, 1053446, 1053446
  • Long Beard - 9250048