Inventor · disambiguated record
Charles K. Heizer
Also filed as: HEIZER CHARLES K
22 granted patents·2 pending applications·184 citations·filing 2001–2018
95Inventor score
Top patents by PatentIndex Score
24 records- 0189US9777980B2Compact semi-automatic firearmHEIZER CHARLES K·Filed 2014·Granted Oct 3, 2017·26 cites·20 claims
- 0289US9335110B1Elongated reciprocating trigger with roller bearingsHEIZER DEFENSE LLC·Filed 2015·Granted May 10, 2016·17 cites·20 claims
- 0389USD732625SSemi-automatic pistolHEIZER CHARLES K·Filed 2014·Granted Jun 23, 2015·25 cites·1 claims
- 0484US9518791B1Cartridge extractorHEIZER DEFENSE LLC·Filed 2016·Granted Dec 13, 2016·11 cites·22 claims
- 0575US10054381B1Slide assembly quick release pin with arm extensionHEIZER DEFENSE LLC·Filed 2017·Granted Aug 21, 2018·7 cites·20 claims
- 0672US8997390B1Trigger mechanism with cam surface searHEIZER CHARLES K·Filed 2013·Granted Apr 7, 2015·13 cites·20 claims
- 0770US9103626B1Firearm having ammunition compartment with H-clip and quick-change barrel with variable diameter bore and optional takedown pinHEIZER DEFENSE LLC·Filed 2013·Granted Aug 11, 2015·12 cites·20 claims
- 0869US7008201B2Gapless screw rotor deviceIMP RES LLC·Filed 2004·Granted Mar 7, 2006·15 cites·104 claims
- 0965US10605550B1Firearm quick release pin with arm extensionHEIZER DEFENSE LLC·Filed 2018·Granted Mar 31, 2020·4 cites·20 claims
- 1062US10001333B1Barrel latch safety pinHEIZER DEFENSE LLC·Filed 2016·Granted Jun 19, 2018·3 cites·20 claims
- 1160US9939223B1Pistol with short barrel and deep groove riflingHEIZER DEFENSE LLC·Filed 2016·Granted Apr 10, 2018·3 cites·19 claims
- 1258US6913452B2Offset thread screw rotor deviceIMP RES LLC·Filed 2004·Granted Jul 5, 2005·6 cites·20 claims
- 1357USD707780SPistolHEIZER CHARLES K·Filed 2012·Granted Jun 24, 2014·10 cites·1 claims
- 1455US9163890B2Trigger mechanismHEIZER DEFENSE LLC·Filed 2012·Granted Oct 20, 2015·4 cites·20 claims
- 1555US8915174B1Progessively ported gun barrelHEIZER CHARLES K·Filed 2012·Granted Dec 23, 2014·4 cites·20 claims
- 1655USD709580SPistolHEIZER DEFENSE LLC·Filed 2013·Granted Jul 22, 2014·9 cites·1 claims
- 1754US6719548B1Twin screw rotor deviceIMP RES LLC·Filed 2002·Granted Apr 13, 2004·6 cites·20 claims
- 1850US9175918B2Multiple barrel sequential firing mechanismHEIZER CHARLES K·Filed 2013·Granted Nov 3, 2015·4 cites·20 claims
- 1948US2007084225A1Air cycle system with variable mix recuperatorIMP RES LLC·Filed 2005·Application pending·0 cites
- 2047US6719547B2Offset thread screw rotor deviceIMP RES LLC·Filed 2002·Granted Apr 13, 2004·2 cites·20 claims
- 2147US6599112B2Offset thread screw rotor deviceIMP RES LLC·Filed 2001·Granted Jul 29, 2003·2 cites·26 claims
- 2246US9435599B2Modular linear firing systemHEIZER DEFENSE LLC·Filed 2014·Granted Sep 6, 2016·1 cites·20 claims
- 2340US8915003B2Ammunition compartment with strip clipHEIZER CHARLES K·Filed 2012·Granted Dec 23, 2014·0 cites·20 claims
- 2435US2017268843A1Semi-automatic firearm trigger mechanism and safety deviceHEIZER DEFENSE LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →