CH

Charles K. Heizer

HD Heizer Defense: 15 patents #1 of 6Top 20%
IR Imperial Research: 5 patents #1 of 1Top 100%
Overall (All Time): #195,156 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10605550 Firearm quick release pin with arm extension Thomas C. Heizer, John C. Robinson, Jacob Wayne Mahn 2020-03-31
10054381 Slide assembly quick release pin with arm extension Thomas C. Heizer, John C. Robinson, Jacob Wayne Mahn 2018-08-21
10001333 Barrel latch safety pin Thomas C. Heizer, Hedy H. Gahn 2018-06-19
9939223 Pistol with short barrel and deep groove rifling Thomas C. Heizer, Hedy H. Gahn 2018-04-10
9777980 Compact semi-automatic firearm 2017-10-03
9518791 Cartridge extractor Thomas C. Heizer, Hedy H. Gahn 2016-12-13
9435599 Modular linear firing system Thomas C. Heizer, Hedy H. Gahn 2016-09-06
9335110 Elongated reciprocating trigger with roller bearings Thomas C. Heizer, Hedy H. Gahn 2016-05-10
9175918 Multiple barrel sequential firing mechanism Thomas C. Heizer, Timothy Wayne Groves, Jacob Wayne Mahn 2015-11-03
9163890 Trigger mechanism 2015-10-20
9103626 Firearm having ammunition compartment with H-clip and quick-change barrel with variable diameter bore and optional takedown pin Thomas C. Heizer 2015-08-11
D732625 Semi-automatic pistol 2015-06-23
8997390 Trigger mechanism with cam surface sear 2015-04-07
8915174 Progessively ported gun barrel Thomas C. Heizer 2014-12-23
8915003 Ammunition compartment with strip clip Raymond B. Kohout 2014-12-23
D709580 Pistol Thomas C. Heizer, Hedy H. Gahn, Jacob Wayne Mahn 2014-07-22
D707780 Pistol Thomas C. Heizer, Hedy H. Gahn, Jacob Wayne Mahn 2014-06-24
7008201 Gapless screw rotor device 2006-03-07
6913452 Offset thread screw rotor device 2005-07-05
6719547 Offset thread screw rotor device 2004-04-13
6719548 Twin screw rotor device 2004-04-13
6599112 Offset thread screw rotor device 2003-07-29