Alfred H. Skinner

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Aledo, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit
- Patent number 11,480,016
- Issue date Oct 25, 2022
- Ulterra Drilling Technologies, L.P.
- Jorge Arthur Silveus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 11,008,814
- Issue date May 18, 2021
- Ulterra Drilling Technologies, L.P.
- Jorge Arthur Silveus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool and method of manufacturing a tool
- Patent number 10,472,896
- Issue date Nov 12, 2019
- ESCO Group LLC
- Calvin William Collins
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
DRILL BIT
- Publication number 20230175322
- Publication date Jun 8, 2023
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Jorge Arthur Silveus
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT WITH CUTTING GAUGE PAD
- Publication number 20200362640
- Publication date Nov 19, 2020
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Alfred Harold Skinner
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT
- Publication number 20200149352
- Publication date May 14, 2020
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Jorge Arthur Silveus
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT
- Publication number 20200149350
- Publication date May 14, 2020
- ULTERRA DRILLING TECHNOLOGIES, L.P.
- Jorge Arthur Silveus
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL AND METHOD OF MANUFACTURING A TOOL
- Publication number 20160138343
- Publication date May 19, 2016
- Esco Corporation
- Calvin William Collins
- E21 - EARTH DRILLING MINING