WALKER-DAWSON INTERESTS, INC.

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Clinton, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for conveying a non-dry frac proppant
- Patent number 11,643,287
- Issue date May 9, 2023
- Walker-Dawson Interests, Inc.
- Richard F. Dawson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for modifying non-standard frac sand to sand with fracking...
- Patent number 9,375,761
- Issue date Jun 28, 2016
- Walker-Dawson Interests, Inc.
- Richard F. Dawson
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Vacuum system manifold and related methods
- Patent number 7,243,478
- Issue date Jul 17, 2007
- Walker-Dawson Interests, Inc.
- Richard F. Dawson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus and methods for separating slurried material
- Patent number 7,045,068
- Issue date May 16, 2006
- Walker-Dawson Interests, Inc.
- Robert J. Hutchinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus and methods for separating slurried material
- Patent number 6,911,145
- Issue date Jun 28, 2005
- Walker-Dawson Interests, Inc.
- Robert J. Hutchinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Excavation system employing a jet pump
- Patent number 6,860,042
- Issue date Mar 1, 2005
- Walker-Dawson Interests, Inc.
- Robert J. Hutchinson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Jet pump with recirculating motive fluid
- Patent number 6,817,837
- Issue date Nov 16, 2004
- Walker-Dawson Interest, Inc.
- Robert J. Hutchinson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Jet pumps and methods employing the same
- Patent number 6,450,775
- Issue date Sep 17, 2002
- Walker-Dawson Interests, Inc.
- Robert J. Hutchinson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Jet pump for transfer of material
- Patent number 6,322,327
- Issue date Nov 27, 2001
- Walker-Dawson Interests, Inc.
- Richard F. Dawson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Conveying a Non-Dry Frac Proppant
- Publication number 20190144216
- Publication date May 16, 2019
- Walker-Dawson Interests, Inc.
- Richard F. Dawson
- E21 - EARTH DRILLING MINING
Information Patent Application
Vacuum container system and related method
- Publication number 20110126936
- Publication date Jun 2, 2011
- WALKER-DAWSON INTERESTS, INC.
- Richard F. Dawson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IN-LINE JET PUMPS AND METHODS OF USE
- Publication number 20080044294
- Publication date Feb 21, 2008
- WALKER-DAWSON INTERESTS, INC.
- Richard F. Dawson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

WALKER-DAWSON INTERESTS, INC.

Organization

Patents Grantslast 30 patents

Systems and methods for conveying a non-dry frac proppant

Methods for modifying non-standard frac sand to sand with fracking...

Vacuum system manifold and related methods

Apparatus and methods for separating slurried material

Apparatus and methods for separating slurried material

Excavation system employing a jet pump

Jet pump with recirculating motive fluid

Jet pumps and methods employing the same

Jet pump for transfer of material

Patents Applicationslast 30 patents

Systems and Methods for Conveying a Non-Dry Frac Proppant

Vacuum container system and related method

IN-LINE JET PUMPS AND METHODS OF USE

Trademarklast 30 trademarks