Inventor · disambiguated record
Douglas S. Hubbell
Also filed as: HUBBELL DOUGLAS · HUBBELL DOUGLAS S
5 granted patents·28 citations·filing 1996–2022
73Inventor score
Files withBADGER LICENSING LLC1RAYTHEON ENGINEERS & CONSTRUCT1STONE & WEBSTER PROCESS TECH1T EN PROCESS TECH INC1WASHINGTON GROUP INT1
Top patents by PatentIndex Score
5 records- 0167US5811629ACrystallization process for purification of paraxyleneRAYTHEON ENGINEERS & CONSTRUCT·Filed 1996·Granted Sep 22, 1998·15 cites·9 claims
- 0266US12281071B2Systems and methods for enhancing the recovery of styreneT EN PROCESS TECH INC·Filed 2022·Granted Apr 22, 2025·0 cites·16 claims
- 0361US6376736B1Production of high purity meta-xyleneWASHINGTON GROUP INT·Filed 1999·Granted Apr 23, 2002·11 cites·21 claims
- 0448US10280128B2Aromatics alkylation processBADGER LICENSING LLC·Filed 2013·Granted May 7, 2019·0 cites·13 claims
- 0539US7402290B2Condensation reduction in fluid mixingSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Jul 22, 2008·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →