Inventor · disambiguated record
Changzhi Fu
Also filed as: FU CHANGZHI
6 granted patents·6 citations·filing 2008–2021
70Inventor score
Top patents by PatentIndex Score
6 records- 0178US11059157B2Impact hand toolFU CHANGZHI·Filed 2019·Granted Jul 13, 2021·4 cites·8 claims
- 0256US7914224B2Connecting structure for hand-operated tools and handlesFU CHANGZHI·Filed 2008·Granted Mar 29, 2011·1 cites·3 claims
- 0354US12337459B2Rapid assembly type tool rod connection structureTANGSHAN CHANGZHI AGRICULTURAL TOOLS DESIGN MFG CO LTD·Filed 2021·Granted Jun 24, 2025·0 cites·10 claims
- 0445USD952422SShovel headFU CHANGZHI·Filed 2020·Granted May 24, 2022·1 cites·1 claims
- 0536US8807149B2System, method and apparatus for recycling quenching mediumFU CHANGZHI·Filed 2011·Granted Aug 19, 2014·0 cites·9 claims
- 0635US11826894B2Tool barTANGSHAN CHANGZHI AGRICULTURAL TOOLS DESIGN MFG CO LTD·Filed 2020·Granted Nov 28, 2023·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →