Mesfin Ayele Demissie

Follow

Person

Edmonton, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Securing mechanism for rotary assembly wear sleeves
- Patent number 10,435,961
- Issue date Oct 8, 2019
- Halliburton Energy Services, Inc.
- Edgar Andres Estrada
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locking nut with a directional coupling mechanism
- Patent number 10,047,571
- Issue date Aug 14, 2018
- Halliburton Energy Services, Inc.
- Mesfin Ayele Demissie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Externally serviceable slip ring apparatus
- Patent number 9,284,793
- Issue date Mar 15, 2016
- Halliburton Energy Services, Inc.
- Alben D'Silva
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SECURING MECHANISM FOR ROTARY ASSEMBLY WEAR SLEEVES
- Publication number 20170247956
- Publication date Aug 31, 2017
- Halliburton Energy Services, Inc.
- Edgar Andres Estrada
- E21 - EARTH DRILLING MINING
Information Patent Application
Locking Nut With A Directional Coupling Mechanism
- Publication number 20170030148
- Publication date Feb 2, 2017
- Halliburton Energy Services, Inc.
- Mesfin Ayele Demissie
- E21 - EARTH DRILLING MINING
Information Patent Application
Externally Serviceable Slip Ring Apparatus
- Publication number 20150129319
- Publication date May 14, 2015
- Halliburton Energy Services, Inc.
- Alben D'Silva
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR