Inventor · disambiguated record
Qian Bao
Also filed as: BAO QIAN
18 granted patents·2 pending applications·6 citations·filing 2014–2022
87Inventor score
Top patents by PatentIndex Score
20 records- 0184US11774147B2CryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2021·Granted Oct 3, 2023·1 cites·9 claims
- 0283US10274230B2Annular portions protruding from a displacer and expansion space of a cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Apr 30, 2019·2 cites·11 claims
- 0381US11073308B2Cryocooler and cryocooler operation methodSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Jul 27, 2021·2 cites·12 claims
- 0472US10184693B2GM cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Jan 22, 2019·1 cites·12 claims
- 0559US11384963B2GM cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jul 12, 2022·0 cites·11 claims
- 0656US11971108B2Rotary valve of cryocooler and cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Apr 30, 2024·0 cites·13 claims
- 0755US11408406B2GM cryocooler and method of operating GM cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Aug 9, 2022·0 cites·9 claims
- 0854US10197305B2Cryocooler and cryocooler operation methodSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted Feb 5, 2019·0 cites·10 claims
- 0953US10281175B2Regenerative refrigerator, first stage regenerator, and second stage regeneratorSUMITOMO HEAVY INDUSTRIES·Filed 2014·Granted May 7, 2019·0 cites·13 claims
- 1052US11530847B2Cryocooler and flow path switching mechanism of cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2020·Granted Dec 20, 2022·0 cites·11 claims
- 1152US11149993B2Cryocooler with heat transfer blocks having finsSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 1252US11022353B2Pulse tube cryocooler and rotary valve unit for pulse tube cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jun 1, 2021·0 cites·9 claims
- 1351US11566821B2CryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jan 31, 2023·0 cites·5 claims
- 1451US11243014B2CryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Feb 8, 2022·0 cites·4 claims
- 1549US11371754B2GM cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Jun 28, 2022·0 cites·18 claims
- 1648US2023129966A1Gas energized seal for gifford-mcmahon expanderSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2022·Application pending·0 cites
- 1747US11221079B2Cryocooler and rotary valve unit for cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2019·Granted Jan 11, 2022·0 cites·6 claims
- 1844US10371417B2Cryocooler and rotary valve mechanismSUMITOMO HEAVY INDUSTRIES·Filed 2017·Granted Aug 6, 2019·0 cites·10 claims
- 1942US9841212B2Cryogenic refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted Dec 12, 2017·0 cites·6 claims
- 2042US2017184328A1Cryocooler and rotary valve mechanismSUMITOMO HEAVY INDUSTRIES·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →