Assignee
ZHENG JING
US13 patents
Top patents by PatentIndex Score
US10323891B1Jun 18, 2019
Extremely short buffer system and bolt carrier design for firearms
ZHENG JING33 citations94
US8688454B2Apr 1, 2014
Method and apparatus for adapting a language model in response to error correction
ZHENG JING34 citations94
US8667724B2Mar 11, 2014
Self-levering follower for a universal magazine of multiple caliber compatibility for firearms
ZHENG JING18 citations92
US8850732B2Oct 7, 2014
Magazine shell of a universal magazine of multiple caliber compatibility for firearms
ZHENG JING13 citations84
US8746126B2Jun 10, 2014
Annular piston system for rifles
ZHENG JING8 citations84
US8745911B2Jun 10, 2014
Bolt assembly and bolt carrier assembly with switch mechanism for discharging spent casing from either side of firearm receiver without need of disassembling the firearm
ZHENG JING9 citations84
US10101104B2Oct 16, 2018
Adjustable gas system for firearms
ZHENG JING6 citations73
US9459440B2Oct 4, 2016
Linear power adjustment mechanism for telescopic sights for firearms
ZHENG JING5 citations73
US9372040B2Jun 21, 2016
Magazine shell of a universal magazine of multiple caliber compatibility for firearms
ZHENG JING3 citations73
USD725990SApr 7, 2015
Hinge
ZHENG JING4 citations73
US11279489B2Mar 22, 2022
Lie-flat passenger seat configurations for transportation
ZHENG JING1 citations62
US12313367B2May 27, 2025
Adjustable gas block with front adjustment access for firearm direct-impingement gas system
ZHENG JING0 citations52
US8963406B2Feb 24, 2015
Spark plug
ZHENG JING1 citations48