Membership
Tour
Register
Log in
Butch Hazel
Follow
Person
Cody, WY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Impact excavation system and method with injection system
Patent number
8,162,079
Issue date
Apr 24, 2012
PDTI Holdings, LLC
Nathan J. Harder
E21 - EARTH DRILLING MINING
Information
Patent Grant
Impact excavation system and method with injection system
Patent number
7,793,741
Issue date
Sep 14, 2010
PDTI Holdings, LLC
Nathan J. Harder
E21 - EARTH DRILLING MINING
Information
Patent Grant
Impact excavation system and method with injection system
Patent number
7,757,786
Issue date
Jul 20, 2010
PDTI Holdings, LLC
Nathan J. Harder
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Impact Excavation System and Method With Injection System
Publication number
20100243330
Publication date
Sep 30, 2010
PDTI Holdings, LLC
Nathan J. Harder
E21 - EARTH DRILLING MINING
Information
Patent Application
Impact Excavation System And Method With Injection System
Publication number
20080230275
Publication date
Sep 25, 2008
Particle Drilling Technologies, Inc.
Nathan J. Harder
E21 - EARTH DRILLING MINING
Information
Patent Application
Impact excavation system and method with injection system
Publication number
20060191718
Publication date
Aug 31, 2006
Particle Drilling Technologies, Inc.
Nathan J. Harder
E21 - EARTH DRILLING MINING