Inventor
CHANG CHU-WEI
TW23 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHU-WEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COMBIS SPORT ENTPR CO LTD
14 patentsUS9568269B1Feb 14, 2017
Multiply secured crossbow
COMBIS SPORT ENTPR CO LTD20 citations92
US11946720B1Apr 2, 2024
String-loading apparatus for a crossbow
COMBIS SPORT ENTPR CO LTD7 citations85
US11774210B1Oct 3, 2023
Silent cocking device for a crossbow
COMBIS SPORT ENTPR CO LTD9 citations85
US11359882B1Jun 14, 2022
Crossbow with an effort-saving safety element
COMBIS SPORT ENTPR CO LTD9 citations85
US11268782B1Mar 8, 2022
Crossbow
COMBIS SPORT ENTPR CO LTD11 citations85
US9766032B1Sep 19, 2017
Multiply secured crossbow
COMBIS SPORT ENTPR CO LTD7 citations84
US9746278B1Aug 29, 2017
Crossbow with a robust multi-functional string-pulling unit
COMBIS SPORT ENTPR CO LTD7 citations84
US9528792B1Dec 27, 2016
Crossbow
COMBIS SPORT ENTPR CO LTD19 citations84
US12487049B2Dec 2, 2025
String-unloading apparatus of a crossbow
COMBIS SPORT ENTPR CO LTD2 citations74
US11703299B1Jul 18, 2023
Arrow-retaining device of a crossbow
COMBIS SPORT ENTPR CO LTD6 citations74
US11137228B1Oct 5, 2021
Crossbow
COMBIS SPORT ENTPR CO LTD5 citations73
US11754365B1Sep 12, 2023
Angle-adjustable stirrup assembly of a crossbow
COMBIS SPORT ENTPR CO LTD1 citations62
US11703300B1Jul 18, 2023
Adjustable stock of a crossbow
COMBIS SPORT ENTPR CO LTD1 citations62
US12590778B2Mar 31, 2026
String-unloading apparatus of a crossbow
COMBIS SPORT ENTPR CO LTD0 citations52
POE LANG ENTPR CO LTD
5 patentsUS7588022B2Sep 15, 2009
Trigger assembly with a safety device for a crossbow
POE LANG ENTPR CO LTD79 citations97
US7100590B2Sep 5, 2006
Bowstring drawing device for a crossbow
POE LANG ENTPR CO LTD123 citations97
US7584750B2Sep 8, 2009
Bow for a crossbow
POE LANG ENTPR CO LTD38 citations92
US7188615B2Mar 13, 2007
Adjustable cam for a crossbow
POE LANG ENTPR CO LTD46 citations92
US7178514B2Feb 20, 2007
Crossbow with a vibration-damping device
POE LANG ENTPR CO LTD43 citations92