Inventor · disambiguated record
Huan-Chang Kuan
Also filed as: KUAN HUAN-CHANG
2 granted patents·2 pending applications·39 citations·filing 2002–2022
56Inventor score
Files withKUAN HUAN CHANG3
Top patents by PatentIndex Score
4 records- 0177US6688806B2Jump-proof manhole-handholeFiled 2002·Granted Feb 10, 2004·39 cites·15 claims
- 0233US2023127196A1Pneumatic motion systemKUAN HUAN CHANG·Filed 2022·Application pending·0 cites
- 0333US2023128991A1Pneumatic motion systemKUAN HUAN CHANG·Filed 2022·Application pending·0 cites
- 0416USD924989SBicycle frameKUAN HUAN CHANG·Filed 2018·Granted Jul 13, 2021·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →