Inventor · disambiguated record
Stephen Dunn
Also filed as: DUNN STEPHEN · DUNN STEPHEN B · DUNN STEPHEN BROWN
8 granted patents·3 pending applications·33 citations·filing 2006–2023
82Inventor score
Files withSUMITOMO SHI CRYOGENICS OF AMERICA INC7DUNN STEPHEN2DUNN STEPHEN B1SUMITOMO HEAVY INDUSTRIES1
Top patents by PatentIndex Score
11 records- 0188US12104596B2Helium compressor system with unmodified scroll compressorSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2020·Granted Oct 1, 2024·2 cites·20 claims
- 0288US7674099B2Compressor with oil bypassSUMITOMO HEAVY INDUSTRIES·Filed 2006·Granted Mar 9, 2010·13 cites·16 claims
- 0384US8978400B2Air cooled helium compressorDUNN STEPHEN·Filed 2010·Granted Mar 17, 2015·8 cites·11 claims
- 0476US8776534B2Gas balanced cryogenic expansion engineDUNN STEPHEN·Filed 2011·Granted Jul 15, 2014·5 cites·13 claims
- 0569US8187370B2Horizontal bulk oil separatorDUNN STEPHEN B·Filed 2006·Granted May 29, 2012·5 cites·15 claims
- 0667US2022003462A1Dual helium compressorsSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2021·Application pending·0 cites
- 0759US9581360B2Gas balanced cryogenic expansion engineSUMITOMO (SHI) CRYOGENICS OF AMERICA INC·Filed 2014·Granted Feb 28, 2017·0 cites·5 claims
- 0859US2023288029A1System for capturing vapor from a cryogenic storage tankSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2023·Application pending·0 cites
- 0954US11149992B2Dual helium compressorsSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2015·Granted Oct 19, 2021·0 cites·9 claims
- 1052US12253289B2Serially arranged circulating cryocooler systemSUMITOMO SHI CRYOGENICS OF AMERICA INC·Filed 2022·Granted Mar 18, 2025·0 cites·15 claims
- 1139US2017175743A1Cold start helium compressorSUMITOMO (SHI) CRYOGENICS OF AMERICA INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →