Stefan Neil Lewis STEWART

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Valve apparatus
- Patent number 11,193,351
- Issue date Dec 7, 2021
- WELLENG SCIENCE AND TECHNOLOGY LTD.
- Peter Barnes Moyes
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC LOCK APPARATUS
- Publication number 20230407720
- Publication date Dec 21, 2023
- Welleng Science and Technology Ltd
- Peter Barnes MOYES
- E21 - EARTH DRILLING MINING
Information Patent Application
VALVE APPARATUS
- Publication number 20200270966
- Publication date Aug 27, 2020
- Weileng Science and Technology Ltd
- Peter Barnes MOYES
- E21 - EARTH DRILLING MINING