Chi-Chang Liu

Person

Feng-Yuan City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Crossbow with replaceable bow unit
- Patent number 12,104,877
- Issue date Oct 1, 2024
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Arrow shooting device with arrow chain driving structure
- Patent number 12,061,060
- Issue date Aug 13, 2024
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Continuous shooting device with controllable arrow chain structure
- Patent number 12,025,400
- Issue date Jul 2, 2024
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Arrow feeding device for crossbow
- Patent number 11,761,727
- Issue date Sep 19, 2023
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Crossbow with replaceable bow unit
- Patent number 11,761,728
- Issue date Sep 19, 2023
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Arrow press device for crossbows
- Patent number 11,549,778
- Issue date Jan 10, 2023
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Crossbow string drawing assist system
- Patent number 11,466,957
- Issue date Oct 11, 2022
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Protection device for limbs of crossbow
- Patent number 11,448,479
- Issue date Sep 20, 2022
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Crossbow
- Patent number 11,402,172
- Issue date Aug 2, 2022
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Escape-prevention arrow
- Patent number 11,378,366
- Issue date Jul 5, 2022
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F42 - AMMUNITION BLASTING
Information Patent Grant
Protection device for crossbow
- Patent number 11,193,727
- Issue date Dec 7, 2021
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Safety device for crossbow
- Patent number 11,085,721
- Issue date Aug 10, 2021
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Support device for a crossbow
- Patent number 10,996,019
- Issue date May 4, 2021
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Arrow supply assembly for bow
- Patent number 10,495,403
- Issue date Dec 3, 2019
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Device for a crossbow
- Patent number 10,408,561
- Issue date Sep 10, 2019
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Cocking device for crossbow
- Patent number 10,378,853
- Issue date Aug 13, 2019
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Safety device for crossbows
- Patent number 10,215,520
- Issue date Feb 26, 2019
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Arrow retention device of crossbow
- Patent number 9,851,170
- Issue date Dec 26, 2017
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Connection device for connecting limb to barrel of crossbow
- Patent number 9,689,639
- Issue date Jun 27, 2017
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Secondary safety device for crossbows
- Patent number 9,644,919
- Issue date May 9, 2017
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Spanning device for crossbows
- Patent number 9,638,487
- Issue date May 2, 2017
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Angled fore grip
- Patent number D779017
- Issue date Feb 14, 2017
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Information Patent Grant
Quick-release device for a crossbow stock assembly
- Patent number 9,146,071
- Issue date Sep 29, 2015
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Grant
Recurve long bow
- Patent number D730473
- Issue date May 26, 2015
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Information Patent Grant
Unstrung recurve long bow
- Patent number D730472
- Issue date May 26, 2015
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Information Patent Grant
Riser of compound bow
- Patent number 8,844,510
- Issue date Sep 30, 2014
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND BOW STRUCTURE
- Publication number 20150292832
- Publication date Oct 15, 2015
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Application
Quick-Release Device for a Crossbow Stock Assembly
- Publication number 20150184971
- Publication date Jul 2, 2015
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Application
RISER OF COMPOUND BOW
- Publication number 20140123971
- Publication date May 8, 2014
- POE LANG ENTERPRISE CO., LTD.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Application
Laser gun for recreation
- Publication number 20040087377
- Publication date May 6, 2004
- Poe Lang Enterprise Co., Ltd.
- Chi-Chang Liu
- F41 - WEAPONS
Information Patent Application
Shooting exercise for simultaneous multiple shooters
- Publication number 20040087378
- Publication date May 6, 2004
- Poe Lang Enterprise Co., Ltd.
- Chi-Chang Liu
- F41 - WEAPONS

Chi-Chang Liu

Person

Patents Grantslast 30 patents

Crossbow with replaceable bow unit

Arrow shooting device with arrow chain driving structure

Continuous shooting device with controllable arrow chain structure

Arrow feeding device for crossbow

Crossbow with replaceable bow unit

Arrow press device for crossbows

Crossbow string drawing assist system

Protection device for limbs of crossbow

Crossbow

Escape-prevention arrow

Protection device for crossbow

Safety device for crossbow

Support device for a crossbow

Arrow supply assembly for bow

Device for a crossbow

Cocking device for crossbow

Safety device for crossbows

Arrow retention device of crossbow

Connection device for connecting limb to barrel of crossbow

Secondary safety device for crossbows

Spanning device for crossbows

Angled fore grip

Quick-release device for a crossbow stock assembly

Recurve long bow

Unstrung recurve long bow

Riser of compound bow

Patents Applicationslast 30 patents

COMPOUND BOW STRUCTURE

Quick-Release Device for a Crossbow Stock Assembly

RISER OF COMPOUND BOW

Laser gun for recreation

Shooting exercise for simultaneous multiple shooters