Inventor · Poway, CA, US

Changan Tian

32Patents
14h-index
4Co-inventors
66Inventor score

Filing activity: Feb 12, 2014 → Jun 11, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
USD779013S1 Handguard General 29 Active
USD779014S1 Handguard General 27 Active
USD856458S1 Reflex sight General 27 Active
USD821529S1 Pistol grip General 22 Active
USD846691S1 Reflex sight General 22 Active
USD846689S1 Reflex sight General 21 Active
USD846690S1 Reflex sight General 20 Active
US9341441B2 KeyMod quick mounting arrangement Mechanical Engineering; Lighting; Heating 20 Active
USD777289S1 Hunting ring General 19 Active
USD737399S1 Firearm mount with sighting module General 18 Active
US9869526B1 Flip-up aiming sight Mechanical Engineering; Lighting; Heating 17 Active
USD804696S1 Tactical flashlight General 17 Active
US9423216B2 KeyMod quick mounting arrangement Mechanical Engineering; Lighting; Heating 15 Active
US9784535B1 Sight adjustment tool Mechanical Engineering; Lighting; Heating 14 Active
USD803347S1 Scope General 13 Active
USD904546S1 Handstop General 12 Active
USD829294S1 Sight adjustment tool General 11 Active
USD826361S1 Vertical grip General 10 Active
USD900273S1 Reflex sight General 9 Active
US9163902B1 Sight module Mechanical Engineering; Lighting; Heating 8 Active
USD839377S1 Magazine opener General 7 Active
USD844734S1 Light apparatus for firearm General 7 Active
USD897483S1 Reflex sight General 7 Active
US9506721B2 Firearm mount with sight module Physics 6 Active
USD880268S1 Front and rear sight adjustment tool General 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.