Inventor · disambiguated record
Zhenfei Duan
Also filed as: DUAN ZHENFEI
3 granted patents·0 citations·filing 2020–2020
38Inventor score
Technology areasF04C
Top patents by PatentIndex Score
3 records- 0148US11125233B2Compressor having oil allocation memberEMERSON CLIMATE TECHNOLOGIES·Filed 2020·Granted Sep 21, 2021·0 cites·23 claims
- 0247US12234821B2Scroll compressor and method for assembling fixed scroll of scroll compressorCOPELAND CLIMATE TECH SUZHOU CO LTD·Filed 2020·Granted Feb 25, 2025·0 cites·15 claims
- 0344US12497966B2Compressor with bottom cover and bearing block arrangementCOPELAND CLIMATE TECH SUZHOU CO LTD·Filed 2020·Granted Dec 16, 2025·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →