Resources Contact Us Home
Tiernan; John P.
Newnan, GA
No. of patents:

Patent Number Title Of Patent Date Issued
7487827 Propellant cartridge with restrictor plugs for fracturing wells February 10, 2009
An apparatus for fracturing a well has a propellant charge held by a carrier, and upper and lower restrictor plugs secured to the carrier above and below the propellant charge, respectively. The restrictor plugs allow a restricted flow of combustion gases generated by the propellant
7409911 Propellant for fracturing wells August 12, 2008
An apparatus for fracturing wells employs a propellant charge and an ignition cord wrapped around the outer surface of the propellant charge to rapidly ignite the outer surface of the propellant charge.
7073589 System for fracturing wells using supplemental longer-burning propellants July 11, 2006
A system for fracturing wells uses a primary propellant charge to initially produce pressures within the well in excess of the maximum fracture extension pressure of the surrounding formation, but below that which would cause damage to the well. A supplemental propellant charge burns

  Recently Added Patents
Voltage regulator with improved voltage regulator response and reduced voltage drop
Base station apparatus and communication control method
Circuit arrangement having a load transistor and a voltage limiting circuit and method for driving a load transistor
Use of beta-adrenoceptor antagonists for the manufacture of a medicament of the treatment of disorders of the outer retina
Method for detecting directions of regularity in a two-dimensional image
Method and composition for improving skin barrier function
  Randomly Featured Patents
Saccharin derivatives useful as proteolytic enzyme inhibitors and compositions and method of use thereof
Single bit per-voice dry/wet reverb control
Method for treating formations with gelatin
Vaccines against oedema disease of piglets
Safety closure
CO.sub.2 waveguide laser
Method for lapping and a lapping apparatus
Air induction system having an intake manifold including a throttle body
New cyclosporin analogs with modified "C-9 amino acids"
In-plane switching mode liquid crystal display device comprising common electrodes and pixel electrodes on both substrates and method of manufacturing the same