Inventor · disambiguated record
Frederick H. Kart
Also filed as: KART FREDERICK H
6 granted patents·95 citations·filing 1977–2024
82Inventor score
Technology areasF41A
Top patents by PatentIndex Score
6 records- 0184US4127056AAutomatic pistol barrel locking device and sub-caliber conversion thereforKART SPORTING ARMS CORP·Filed 1977·Granted Nov 28, 1978·43 cites·10 claims
- 0283US11933565B2Firearm barrel and method of improving projectile weapon accuracy, velocity and durabilityKART FREDERICK H·Filed 2022·Granted Mar 19, 2024·2 cites·17 claims
- 0382US11493296B1Firearm barrel and method of improving projectile weapon accuracy, velocity and durabilityKART FREDERICK H·Filed 2021·Granted Nov 8, 2022·2 cites·19 claims
- 0465US12460886B2Reducing blow-by in firearmsKART FREDERICK H·Filed 2024·Granted Nov 4, 2025·0 cites·13 claims
- 0556US5753848ASemi-automatic pistol barrel with precision adjustment means and method of precision-adjusting semi-automatic pistolsFiled 1996·Granted May 19, 1998·27 cites·9 claims
- 0651US6318231B1Semi-automatic pistol barrel with precision barrel muzzle bushings and methodFiled 1999·Granted Nov 20, 2001·21 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Frederick H. Kart files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →