Patents by Inventor George S. Polan

George S. Polan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110180277
    Abstract: A fire protection sprinkler is provided. The sprinkler includes a body having an output orifice and a flange; a seal cap to seal a flow of fluid from the output orifice; and a thermally-responsive element positioned to releasably retain the seal cap and constructed to separate into a plurality of portions upon exposure to a predetermined temperature. The sprinkler also includes at least one deflector support member, a deflector connected to the deflector support member, and at least one arm extending from each of the deflector support members. Each of the arms has a free end positioned in spaced relation to the thermally-responsive element to contact the portions of the thermally-responsive element upon separation thereof. In another embodiment, the sprinkler includes at least one arm extending from the flange, and the arms may be formed as a bracket.
    Type: Application
    Filed: January 26, 2011
    Publication date: July 28, 2011
    Applicant: The Reliable Automatic Sprinkler Co., Inc.
    Inventors: Juan Jimenez, George S. Polan, John Tow, Myron Allen
  • Publication number: 20110030977
    Abstract: A horizontal sidewall fire protection sprinkler has a deflector having a vertical face, transverse to the fluid flow from the output orifice, and a horizontal shelf positioned above and perpendicular to the vertical face. A portion of the horizontal shelf extends in the fluid flow direction by a first length, with respect to the vertical face, and this first length is less than about half of the total length of the horizontal shelf in the fluid flow direction. The sprinkler may be installed in a support cup having a raised mounting platform configured to receive the sprinkler body and a cylindrical outer surface. A horizontal or pendent fire protection sprinkler has a body having an output orifice and a flange and a seal cap to seal a flow of fluid from the output orifice and a thermally-responsive element positioned to releasably retain the seal cap. Housing members extend through and from the flange of the sprinkler body, and contain rods, each of which extends through the flange.
    Type: Application
    Filed: August 30, 2010
    Publication date: February 10, 2011
    Applicant: THE RELIABLE AUTOMATIC SPRINKLER CO., INC.
    Inventors: George S. Polan, Oliver S. Pahila, Thomas L. Multer
  • Publication number: 20110024138
    Abstract: An attic fire protection system is provided. The system comprises a fluid supply manifold for supplying a fluid, positioned at an effective height below and parallel to the underside of a roof having a non-zero pitch angle. The system contains a plurality of fittings each having at least one exit port for directing the flow of the fluid, the fittings being spaced within at most a maximum effective distance apart from each other and being connected to receive fluid from the supply manifold, wherein the exit ports are structured to supply the fluid in a direction parallel to the underside of the roof. Most broadly, however, the fittings are structured or arranged to supply the fluid in a direction forming an oblique angle with the horizontal and the vertical, which may or may be exactly the same as the pitch angle of the roof. The system also includes a plurality of horizontal sidewall sprinklers each connected to a respective exit port of one or another of the fittings.
    Type: Application
    Filed: March 2, 2009
    Publication date: February 3, 2011
    Applicant: THE RELIABLE AUTOMATIC SPRINKLER CO., INC.
    Inventors: Thomas L. Multer, George S. Polan, Myron L. Allen
  • Publication number: 20090056958
    Abstract: A fire protection sprinkler is provided, including a body having an output orifice and a flange and a seal cap to seal a flow of fluid from the output orifice. A thermally-responsive element is positioned to releasably retain the seal cap. Housing members extend through and from the flange of the sprinkler body, and contain rods, each of which extends through the flange. A deflector is connected to ends of the rods.
    Type: Application
    Filed: August 30, 2007
    Publication date: March 5, 2009
    Inventor: GEORGE S. POLAN
  • Publication number: 20080053665
    Abstract: An upright fire protection sprinkler having an input orifice at an input end of the sprinkler for receiving fluid and an output orifice at an output end of the sprinkler for outputting fluid. The sprinkler has a connection portion at the input end of the sprinkler and a body extending between the connection portion and the output end. A pair of frame arms extends from the output end and meets at a hub positioned in axial alignment with the output orifice. A deflector is positioned on the hub and is configured to direct fluid output from the output orifice substantially in a direction back toward the output end.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 6, 2008
    Applicant: THE RELIABLE AUTOMATIC SPRINKLER CO., INC.
    Inventors: Thomas L. Multer, George S. Polan
  • Patent number: 7275603
    Abstract: A fire protection sprinkler is provided, including a body having an output orifice and a flange and a seal cap to seal a flow of fluid from the output orifice. A thermally-responsive element is positioned to releasably retain the seal cap. Housing members extend through and from the flange of the sprinkler body, and contain rods, each of which extends through the flange. A deflector is connected to ends of the rods.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: October 2, 2007
    Assignee: The Reliable Automatic Sprinkler Co., Inc.
    Inventor: George S. Polan
  • Publication number: 20060102362
    Abstract: A fire protection sprinkler is provided, including a body having an output orifice and a flange and a seal cap to seal a flow of fluid from the output orifice. A thermally-responsive element is positioned to releasably retain the seal cap. Housing members extend through and from the flange of the sprinkler body, and contain rods, each of which extends through the flange. A deflector is connected to ends of the rods.
    Type: Application
    Filed: October 26, 2004
    Publication date: May 18, 2006
    Applicant: THE RELIABLE AUTOMATIC SPRINKLER CO., INC.
    Inventor: George S. Polan
  • Patent number: 6868917
    Abstract: A low pressure, early suppression fast response sprinkler includes a generally tubular body having an inlet ends, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per minute through the internal passageway divided by the square root of the pressure of water fed into the tubular body in pounds per square inch gauge. A deflector is coupled with the tubular body and spaced from and generally aligned with the discharge end of the internal passageway so as to be impacted by a flow of water issuing in a column from the discharge end upon activation of the sprinkler. The deflector is configured and positioned to deflect the flow of water generally radially outwardly all around the sprinkler.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: March 22, 2005
    Assignee: Central Sprinkler Company
    Inventors: Stephen J. Meyer, George S. Polan, James E. Golinveaux
  • Publication number: 20030079889
    Abstract: A low pressures early suppression fast response sprinkler includes a generally tubular body having an inlet ends an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per minute through the internal passageway divided by the square root of the pressure of water fed into the tubular body in pounds per square inch gauge. A deflector is coupled with the tubular body and spaced from and generally aligned with the discharge end of the internal passageway so as to be impacted by a flow of water issuing in a column from the discharge end upon activation of the sprinkler. The deflector is configured and positioned to deflect the flow of water generally radially outwardly all around the sprinkler.
    Type: Application
    Filed: December 6, 2002
    Publication date: May 1, 2003
    Inventors: Stephen J. Meyer, George S. Polan, James E. Golinveaux
  • Patent number: 6554077
    Abstract: The sprinkler arrangements described in the specification include a sprinkler body with an axial passage and an axially movable assembly movable between a sealing position and an open position and including a Belleville washer engageable with a shoulder in the sprinkler body to seal the axial passage in the sealing position and a deflector to distribute water emerging from the passage when the movable assembly is in the open position. A locking assembly which is separable from the sprinkler body normally retains the axially movable assembly in the sealing position and is releasable by a temperature sensitive apparatus at an elevated temperature to permit the movable assembly to move to the open position. In one embodiment the axially movable member has a central post which is slidably guided by a tripod at the outer end of the axial passage.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: April 29, 2003
    Assignee: The Reliable Automatic Sprinkler Co., Inc.
    Inventor: George S. Polan
  • Patent number: 6502643
    Abstract: A low pressure, early suppression fast response sprinkler includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per minute through the internal passageway divided by the square root of the pressure of water fed into the tubular body in pounds per square inch gauge. A deflector is coupled with the tubular body and spaced from and generally aligned with the discharge end of the internal passageway so as to be impacted by a flow of water issuing in a column from the discharge end upon activation of the sprinkler. The deflector is configured and positioned to deflect the flow of water generally radially outwardly all around the sprinkler.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: January 7, 2003
    Assignee: Central Sprinkler Company
    Inventors: Stephen J. Meyer, George S. Polan, James E. Golinveaux
  • Publication number: 20020166673
    Abstract: In the embodiments described in the specification, a fire protection sprinkler has a sprinkler body with an axial passage for a fire extinguishing fluid, a pair of frame arms terminating at a boss disposed on the axis of the sprinkler passage and a thermally responsive arrangement disposed between the outlet of the sprinkler passage and a screw extending through the boss. The thermally responsive arrangement includes a yoke unit having a yoke base received in a spring washer mounted at the outlet end of the passage and two spaced legs projecting parallel to the axis of the passage having pointed tips and a tubular strut unit having a base with a hemispherical projection engaging the screw and a strut having a cylindrical passage containing a plug of fusible material, a piston and a ball at the outer end which is received in a recess in the yoke base.
    Type: Application
    Filed: May 9, 2001
    Publication date: November 14, 2002
    Inventor: George S. Polan
  • Publication number: 20020148620
    Abstract: The sprinkler arrangements described in the specification include a sprinkler body with an axial passage and an axially movable assembly movable between a sealing position and an open position and including a Belleville washer engageable with a shoulder in the sprinkler body to seal the axial passage in the sealing position and a deflector to distribute water emerging from the passage when the movable assembly is in the open position. A locking assembly which is separable from the sprinkler body normally retains the axially movable assembly in the sealing position and is releasable by a temperature sensitive device at an elevated temperature to permit the movable assembly to move to the open position. In one embodiment the axially movable member has a central post which is slidably guided by a tripod at the outer end of the axial passage.
    Type: Application
    Filed: April 12, 2001
    Publication date: October 17, 2002
    Applicant: The Reliable Automatic Sprinkler Co., Inc.
    Inventor: George S. Polan
  • Patent number: 6446732
    Abstract: In the fire protection sprinkler arrangement described in the specification, a VELO ECOH has a sprinkler body with an axial passage for delivery of water and a deflector supported from the sprinkler body by a pair of frame arms. The deflector has a substantially planar central region and a peripheral portion bent toward the sprinkler body along a circular bend line at an angle of about 45° from the plane of the central region. The perimeter of the deflector has four arcuate segments disposed at 90° angles and four substantially straight line segments interposed between the arcuate segments and includes twelve slots extending inwardly from the perimeter. The slots adjacent to the arcuate segments extend approximately parallel to perpendicular axial planes intersecting those segments and the other slots extend radially inwardly from locations centered in the substantially straight line segments of the periphery.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: September 10, 2002
    Assignee: The Reliable Automatic Sprinkler Company, Inc.
    Inventor: George S. Polan
  • Patent number: 6336509
    Abstract: A low pressure fast response sprinkler includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per minute through the internal passageway divided by the square root of the pressure of water fed into the tubular body in pounds per square inch gauge. A deflector is coupled with the tubular body and spaced from and generally aligned with the discharge end of the internal passageway so as to be impacted by a flow of water issuing in a column from the discharge end upon activation of the sprinkler. The deflector is configured and positioned to deflect the flow of water generally radially outwardly all around the sprinkler.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: January 8, 2002
    Assignee: Central Sprinkler Corporation
    Inventors: George S. Polan, Stephen J. Meyer, James E. Golinveaux
  • Patent number: 5829532
    Abstract: A low pressure, fast response sprinkler of the early suppression type includes a generally tubular body having an inlet end, an opposing discharge end and an internal passageway extending between the inlet and discharge ends with a K factor greater than 16 where the K factor equals the flow of water in gallons per minute through the internal passageway divided by the square root of the pressure of water fed into the tubular body in pounds per square inch gauge. A deflector is coupled with the tubular body and spaced from and generally aligned with the discharge end of the internal passageway so as to be impacted by a flow of water issuing in a column from the discharge end upon activation of the sprinkler. The deflector is configured and positioned to deflect the flow of water generally radially outwardly all around the sprinkler.
    Type: Grant
    Filed: March 7, 1997
    Date of Patent: November 3, 1998
    Assignee: Central Sprinkler Corporation
    Inventors: Stephen J. Meyer, George S. Polan, James E. Golinveaux
  • Patent number: 5669449
    Abstract: Directional sprinklers include a sprinkler body with a water directing structure configured to direct water passing from an outlet of the sprinkler body in one or more distinct and different directions. Water directing structures are disclosed in the form of deflectors having one or two separate water directing channels and hollow heads having at least two separate nozzles facing in two distinct and different directions. The channels and nozzles can be configured to direct water in diametrically opposing directions, mutually perpendicular directions or at any other desired orientation with respect to one another and to direct the water radially outwardly from the centerline of the sprinkler body outlet or at any predetermined transverse angle to that centerline. The throw of each channel and nozzle is longer than it is wide so that water is discharged over a generally rectangular or elliptical area in each direction.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: September 23, 1997
    Assignee: Central Sprinkler Co.
    Inventors: George S. Polan, James E. Golinveaux, Stephen J. Meyer
  • Patent number: 5664630
    Abstract: Ceiling sprinklers and sprinkler systems provide extended areas of ordinary and light hazard coverage through a combination of orifices with K factors greater than 9 and deflectors which extend water distributions radially with acceptable uniform average and absolute distribution densities all around and beneath the sprinklers. Described deflectors for concealed sprinklers are circular with slots extending axially and radially through inwardly towards the center of the deflector from the circular perimeter. Such deflectors include a central curved protrusion extending back towards the outlet to spread the water column over the deflecting structure and a surrounding planar annular area of the structure. The deflectors are supported on pins to telescope away from the sprinkler body and drop below or farther below the lower surface of the ceiling in which they are installed.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: September 9, 1997
    Inventors: George G. Meyer, Stephen J. Meyer, George S. Polan
  • Patent number: 5609211
    Abstract: An extended coverage ceiling sprinkler includes a generally tubular body having an inlet open end and an opposing, outlet open end with a minimal internal diameter greater than 0.65 inches and a K-factor of between about 14 and about 15. A plug at least essentially closes the outlet open end and an element releasably retains the plug in the outlet end. A deflector support extends away from the outlet end of the tubular body and a deflector is coupled to the tubular body through the deflector support. The deflector has a major surface facing, spaced from and aligned with the outlet open end with a circular outer perimeter less than 1.7 inches in outer diameter and a central area without water passing openings therethrough at least 0.75 inches in diameter. Slots extend generally radially inwardly from the perimeter and surround the central area which is slotless. The ratio of deflector outer diameter to slot depth is greater than 10 and up to about 14.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: March 11, 1997
    Assignee: Central Sprinkler Company
    Inventors: George G. Meyer, Stephen J. Meyer, George S. Polan, Kevin Dolan
  • Patent number: 5584344
    Abstract: Ceiling, sprinklers and sprinkler systems provide extended areas of coverage through a combination of extra large and super large orifices and deflectors which extend radial distributions with acceptable uniform average and absolute distribution densities all around and beneath the sprinklers. Described deflectors are circular and substantially flat, being essentially flat in pendent style and slightly fructoconical in upright style. Slots of alternating length are provided extending inwardly towards the center of the deflector from the circular perimeter to within no more than one-half inch and preferably no more than 0.6 of an inch from the center of the deflector. The upright sprinkler deflector includes central circular planar areas at least one inch and preferably at least 1.2 inch in diameter while the outer annular peripheral portion of such deflectors are coned back towards their supporting tubular bodies at an included cone angle of about one hundred forty degrees or more.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: December 17, 1996
    Assignee: Central Sprinkler Corporation
    Inventors: George G. Meyer, Stephen J. Meyer, George S. Polan