Barry CHAPMAN

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Elion, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cutting tool
- Patent number 11,332,993
- Issue date May 17, 2022
- SPEX CORPORATE HOLDINGS LIMITED
- Jamie Oag
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fracturing tool
- Patent number 11,193,344
- Issue date Dec 7, 2021
- SPEX CORPORATE HOLDINGS LTD.
- Barry Chapman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Colliding tool
- Patent number 10,895,124
- Issue date Jan 19, 2021
- SPEX CORPORATE HOLDINGS LTD.
- Barry Chapman
- F42 - AMMUNITION BLASTING
Information Patent Grant
Cutting tool
- Patent number 10,550,656
- Issue date Feb 4, 2020
- SPEX CORPORATE HOLDINGS LIMITED
- Jamie Oag
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CUTTING TOOL
- Publication number 20200131876
- Publication date Apr 30, 2020
- SPEX Engineering (UK) Limited
- Jamie Oag
- E21 - EARTH DRILLING MINING
Information Patent Application
IMPROVED TOOL
- Publication number 20200115981
- Publication date Apr 16, 2020
- SPEX Corporate Holdings Ltd.
- Barry CHAPMAN
- E21 - EARTH DRILLING MINING
Information Patent Application
IMPROVED COLLIDING TOOL
- Publication number 20190055803
- Publication date Feb 21, 2019
- SPEX Engineering (UK) Limited
- Barry CHAPMAN
- F42 - AMMUNITION BLASTING
Information Patent Application
CUTTING TOOL
- Publication number 20180291697
- Publication date Oct 11, 2018
- SPEX Engineering (UK) Limited
- Jamie OAG
- E21 - EARTH DRILLING MINING