Brad Groesbeck

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Large bore auto-fill float equipment
- Patent number 9,328,585
- Issue date May 3, 2016
- Blackhawk Specialty Tools, LLC
- Brad Groesbeck
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Large bore auto-fill float equipment
- Patent number 8,955,543
- Issue date Feb 17, 2015
- Blackhawk Specialty Tools, LLC
- Brad Groesbeck
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR CATCHING DARTS AND OTHER DROPPED OBJECTS
- Publication number 20150308213
- Publication date Oct 29, 2015
- BLACKHAWK SPECIALTY TOOLS, LLC
- J. CHRISTOPHER JORDAN
- E21 - EARTH DRILLING MINING
Information Patent Application
LARGE BORE AUTO-FILL FLOAT EQUIPMENT
- Publication number 20150136404
- Publication date May 21, 2015
- BLACKHAWK SPECIALTY TOOLS, LLC
- BRAD GROESBECK
- E21 - EARTH DRILLING MINING
Information Patent Application
REVERSIBLE PORTED SUB ASSEMBLY
- Publication number 20140041859
- Publication date Feb 13, 2014
- J. CHRISTOPHER JORDAN
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Launching Objects in Dual Gradient Systems
- Publication number 20130292135
- Publication date Nov 7, 2013
- J. Christopher Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Catching Darts and Other Dropped Objects
- Publication number 20130105144
- Publication date May 2, 2013
- Blackhawk Speciallty Tools, LLC
- J. Christopher Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
Large bore auto-fill float equipment
- Publication number 20110290344
- Publication date Dec 1, 2011
- Blackhawk Specialty Tools, LLC
- Brad Groesbeck
- E21 - EARTH DRILLING MINING