Steve Callegari JR.

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Lafayette, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for removing metallic matter from an oil well...
- Patent number 9,364,836
- Issue date Jun 14, 2016
- Petroleum Specialty Rental, LLC
- Pat Williamson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method and apparatus for removing metallic matter from an oil well...
- Patent number 8,753,517
- Issue date Jun 17, 2014
- Petroleum Specialty Rental, LLC
- Pat Williamson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Slurry separator
- Patent number 4,753,633
- Issue date Jun 28, 1988
- Callegari, Sr.; Stephen R.
- Stephen R. Callegari
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel pack assembly
- Patent number 4,733,723
- Issue date Mar 29, 1988
- Stephen R. Callegari
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe spinner
- Patent number 4,512,216
- Issue date Apr 23, 1985
- Rogers; Tommie
- Stephen R. Callegari
- E21 - EARTH DRILLING MINING
Information Patent Grant
Derrick mounted apparatus for the manipulation of pipe
- Patent number 4,077,525
- Issue date Mar 7, 1978
- Lamb Industries, Inc.
- Stephen R. Callegari
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR REMOVING METALLIC MATTER FROM AN OIL WELL...
- Publication number 20160362952
- Publication date Dec 15, 2016
- PETROLEUM SPECIALTY RENTAL, LLC
- Pat Williamson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Method and Apparatus for Removing Metallic Matter from an Oil Well...
- Publication number 20150041401
- Publication date Feb 12, 2015
- PETROLEUM SPECIALITY RENTAL, LLC
- Pat Williamson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Method and Apparatus for Removing Metallic Matter From an Oil Well...
- Publication number 20110186523
- Publication date Aug 4, 2011
- PETROLEUM SPECIALTY RENTAL, LLC
- Pat Williamson
- E21 - EARTH DRILLING MINING