Leon D. Ellison

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Huffman, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Drilling rig riser identification apparatus
- Patent number 9,784,041
- Issue date Oct 10, 2017
- National Oilwell Varco LP
- Nathan Kinert
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling rigs with apparatus identification systems and methods
- Patent number 8,016,037
- Issue date Sep 13, 2011
- National-Oilwell Varco, L.P.
- Robert Bloom
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Chain with identification apparatus
- Patent number 7,958,715
- Issue date Jun 14, 2011
- National-Oilwell Varco, L.P.
- Nathan Kinert
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Systems and methods for monitored drilling
- Patent number 7,946,356
- Issue date May 24, 2011
- National Oilwell Varco LP
- William L. Koederitz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shale shakers and screens with identification apparatuses
- Patent number 7,484,625
- Issue date Feb 3, 2009
- Varco I/P, Inc.
- Eric Scott
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus identification systems and methods
- Patent number 7,159,654
- Issue date Jan 9, 2007
- Varco I/P, Inc.
- Leon P. Ellison
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Shale shakers and screens with identification apparatuses
- Publication number 20090283454
- Publication date Nov 19, 2009
- Eric Scott
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
Chain with identification apparatus
- Publication number 20090223200
- Publication date Sep 10, 2009
- Nathan Kinert
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
Drilling rig riser identification apparatus
- Publication number 20090208295
- Publication date Aug 20, 2009
- Nathan Kinert
- E21 - EARTH DRILLING MINING
Information Patent Application
Systems and methods for monitored drilling
- Publication number 20090205820
- Publication date Aug 20, 2009
- William L. Koederitz
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING RIGS WITH APPARATUS IDENTIFICATION SYSTEMS AND METHODS
- Publication number 20090188675
- Publication date Jul 30, 2009
- Robert Bloom
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Shale shakers and screens with identification apparatuses
- Publication number 20060108113
- Publication date May 25, 2006
- Eric Scott
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
Apparatus identification systems and methods
- Publication number 20050230110
- Publication date Oct 20, 2005
- Leon P. Ellison
- E21 - EARTH DRILLING MINING