Hemmings; John William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hemmings; John William.The latest application filed is for "process for production of useful hydrocarbon materials from plastic waste and reaction system therefor".
- Hemmings; John William - Fripp island SC
- Hemmings; John William - Katy TX
| Patent | Date |
|---|---|
| Process For Production Of Useful Hydrocarbon Materials From Plastic Waste And Reaction System Therefor App 20220064539 - Hemmings; John William | 2022-03-03 |
| Process For Production Of Useful Hydrocarbon Materials From Plastic Waste And Reaction System Therefor App 20220064540 - Hemmings; John William | 2022-03-03 |
| Method And Apparatus For Producing Synthesis Gas App 20110142722 - Hemmings; John William ; et al. | 2011-06-16 |
| Method and apparatus for producing synthesis gas Grant 7,686,856 - Hemmings , et al. March 30, 2 | 2010-03-30 |
| Method and apparatus for producing synthesis gas App 20070289215 - Hemmings; John William ; et al. | 2007-12-20 |
| Synthesis gas production method and reactor App 20070292342 - Hemmings; John William ; et al. | 2007-12-20 |
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