Edward S. Royer

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective position top-down cementing tool
- Patent number 11,261,696
- Issue date Mar 1, 2022
- Dril-Quip, Inc.
- Edward Shannon Royer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole ball circulation tool
- Patent number 7,318,478
- Issue date Jan 15, 2008
- TIW Corporation
- Edward Shannon Royer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mechanical thru-tubing centralizer
- Patent number 5,785,125
- Issue date Jul 28, 1998
- TIW Corporation
- Edward S. Royer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVE POSITION TOP-DOWN CEMENTING TOOL
- Publication number 20210079757
- Publication date Mar 18, 2021
- Dril-Quip, Inc.
- Edward Shannon Royer
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole ball circulation tool
- Publication number 20060272825
- Publication date Dec 7, 2006
- Edward Shannon Royer
- E21 - EARTH DRILLING MINING