Patents by Inventor Edward J. Murphy

Edward J. Murphy 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).

  • Patent number: 10646938
    Abstract: A method of manufacturing a gear, the method includes applying a first charge to a workpiece and applying a second, opposite charge to an electrochemical machining (ECM) attachment, the ECM attachment having a pattern. The method further includes simultaneously forming a plurality of surfaces of a gear tooth in the workpiece using the pattern of the ECM attachment while applying the first charge to the workpiece and applying the second charge to the ECM attachment and turning the workpiece and the ECM attachment in opposite rotational directions. The plurality of surfaces includes at least one end face and a top land of the gear tooth.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 12, 2020
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Edward H. Bittner, William Patrick Murphy, Bruce D. Hansen, Christopher J. Mussel, Yuriy Gmirya
  • Publication number: 20190210130
    Abstract: A method of manufacturing a gear, the method includes applying a first charge to a workpiece and applying a second, opposite charge to an electrochemical machining (ECM) attachment, the ECM attachment having a pattern. The method further includes simultaneously forming a plurality of surfaces of a gear tooth in the workpiece using the pattern of the ECM attachment while applying the first charge to the workpiece and applying the second charge to the ECM attachment and turning the workpiece and the ECM attachment in opposite rotational directions. The plurality of surfaces includes at least one end face and a top land of the gear tooth.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Inventors: EDWARD H. BITTNER, WILLIAM PATRICK MURPHY, BRUCE D. HANSEN, CHRISTOPHER J. MUSSEL, YURIY GMIRYA
  • Publication number: 20160326398
    Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 10, 2016
    Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20150050000
    Abstract: A new radiation curable Secondary Coating for optical fibers is described and claimed wherein said composition comprises a Secondary Coating Oligomer Blend, which is mixed with a first diluent monomer; a second diluent monomer; optionally, a third diluent monomer; an antioxidant; a first photoinitiator; a second photoinitiator; and optionally a slip additive or a blend of slip additives; wherein said Secondary Coating Oligomer Blend comprises: ?) an Omega Oligomer; and ?) an Upsilon Oligomer; wherein said Omega Oligomer is synthesized by the reaction of ?1) a hydroxyl-containing (meth)acrylate; ?2) an isocyanate; ?3) a polyether polyol; and ?4) tripropylene glycol; in the presence of ?5) a polymerization inhibitor; and ?6) a catalyst; to yield the Omega Oligomer; wherein said catalyst is selected from the group consisting of dibutyl tin dilaurate; metal carboxylates, including, but not limited to: organobismuth catalysts such as bismuth neodecanoate; zinc neodecanoate; zirconium neodecanoate; zinc 2-ethylh
    Type: Application
    Filed: December 13, 2013
    Publication date: February 19, 2015
    Inventors: Wendell Wayne CATTRON, Steven R. SCHMID, Edward J MURPHY, John M ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140226943
    Abstract: A wet-on-dry process for coating a glass optical fiber with a radiation curable Primary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable Primary Coating composition onto the surface of the optical fiber; (c) applying radiation to effect curing of said radiation curable Primary Coating composition; (d) applying a secondary coating to the Primary Coating; and (e) applying radiation to effect curing of said secondary coating. Also, a wet-on-wet process for coating a glass optical fiber with a radiation curable Primary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable Primary Coating composition onto the surface of the optical fiber; (c) applying a secondary coating to the Primary Coating; and (d) applying radiation to effect curing of the Primary Coating and the secondary coating.
    Type: Application
    Filed: December 12, 2013
    Publication date: August 14, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Xiaosong Dean WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140127506
    Abstract: A wet-on-dry process for coating a glass optical fiber with a radiation curable Primary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable Primary Coating composition onto the surface of the optical fiber; (c) applying radiation to effect curing of said radiation curable Primary Coating composition; (d) applying a secondary coating to the Primary Coating; and (e) applying radiation to effect curing of said secondary coating. Also, a wet-on-wet process for coating a glass optical fiber with a radiation curable Primary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable Primary Coating composition onto the surface of the optical fiber; (c) applying a secondary coating to the Primary Coating; and (d) applying radiation to effect curing of the Primary Coating and the secondary coating.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Tyson Dean NORLIN, Steven R SCHMID, Edward J MURPHY, John M ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140126867
    Abstract: A wet-on-dry process for coating a glass optical fiber with a Radiation Curable Secondary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable primary coating composition onto the surface of the optical fiber; (c) applying radiation to effect curing of said radiation curable primary coating composition; (d) applying a Radiation Curable Secondary Coating to the radiation curable primary coating; and (e) applying radiation to effect curing of said Radiation Curable Secondary Coating.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Wendell Wayne CATTRON, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140126866
    Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. A radiation curable Primary Coating composition comprising: an oligomer; a diluent monomer; a photoinitiator; an antioxidant; and an adhesion promoter; wherein said oligomer is the reaction product of: a hydroxyethyl acrylate; an aromatic isocyanate; an aliphatic isocyanate; a polyol; a catalyst; and an inhibitor, wherein said catalyst is an organo bismuth catalyst; wherein said oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of said radiation curable coating composition has a peak tan delta Tg of from about ?25° C. to about ?45° C.; and a modulus of from about 0.50 MPa to about 1.2 MPa.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Xiaosong Dean WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140126868
    Abstract: A Radiation Curable Secondary Coating comprising A) a Secondary Coating Oligomer Blend, which is mixed with B) a first diluent; C) a second diluent; D) an antioxidant; E) a first photoinitiator; F) a second photoinitiator; and G) optionally a slip additive or a blend of slip additives; wherein said Secondary Coating Oligomer Blend comprises: ?) an Alpha Oligomer, which is non-urethane; (?) a Beta Oligomer; which is a urethane or non-urethane. ?) a Gamma Oligomer; wherein said Gamma Oligomer is an epoxy diacrylate.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Wendell Wayne CATTRON, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140105555
    Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and processes to coat the optical fiber are described and claimed. The radiation curable coating is a radiation curable Primary Coating composition comprising: an oligomer; a first diluent monomer; a second diluent monomer, a photoinitiator; an antioxidant; and an adhesion promoter; wherein said oligomer is the reaction product of: a hydroxyethyl acrylate; an aromatic isocyanate; an aliphatic isocyanate; a polyol; a catalyst; and an inhibitor, and wherein said oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; wherein a cured film of said radiation curable primary coating composition has a peak tan delta Tg of from about ?25° C. to about ?45° C. and a modulus of from about 0.50 MPa to about 1.2 MPa.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 17, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Xiaosong Dean WU, Steven R. SCHMID, Edward J MURPHY, John M ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140106082
    Abstract: The invention relates to a Radiation Curable Secondary Coating composition for use on an Optical Fiber. The Radiation Curable Secondary Coating composition is a urethane-free Alpha Oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an anhydride compound, (c) an epoxy-containing compound, (d) optionally an extender compound, and (e) optionally a catalyst. The invention also relates to a coated wire and to a coated optical fiber.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 17, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Wendell Wayne CATTRON, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Publication number: 20140099063
    Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
  • Patent number: 8426020
    Abstract: The invention provides an optical fiber coated with a Supercoating, wherein the Supercoating comprises at least two layers, wherein the first layer is a Primary Coating that is in contact with the outer surface of the optical fiber and the second layer is a Secondary Coating in contact with the outer surface of the Primary Coating, wherein the cured Primary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 84% to about 99%; B) an in-situ modulus of between about 0.15 MPa and about 0.60 MPa; and C) a Tube Tg, of from about ?25° C. to about ?55° C.; wherein the cured Secondary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 80% to about 98%; B) an in-situ modulus of between about 0.60 GPa and about 1.90 GPa; and C) a Tube Tg, of from about 50° C. to about 80° C.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: April 23, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Steven R. Schmid, Petrus Jacobus Hubertus Niels, Paulus Antonius Maria Steeman, Xiaosong Wu, Wendell Wayne Cattron, Tyson Dean Norlin, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
  • Patent number: 8426021
    Abstract: The invention relates to a Radiation Curable Secondary Coating composition for use on an Optical Fiber. The Radiation Curable Secondary Coating composition is a urethane-free Alpha Oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an anhydride compound, (c) an epoxy-containing compound, (d) optionally an extender compound, and (e) optionally a catalyst. The invention also relates to a coated wire and to a coated optical fiber.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: April 23, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Wendell Wayne Cattron, Steven R. Schmid, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
  • Patent number: 8218931
    Abstract: A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising: A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising at least one radiation-curable oligomer wherein said at least one radiation curable oligomer is a fatty-acid modified epoxy acrylate; at least one ethylenenic unsaturated reactive diluent; wherein said oligomer(s) and diluent(s) are selected from the group that does not include moieties with Urethane chemistry. This composition, when tested, is found to have resistance to thermal degradation as measured by less than 10% weight loss after exposure of cured specimens in a natural convection furnace for 100 hours at 180° C.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: July 10, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Edward J. Murphy, Timothy Bishop, Steven R. Schmid
  • Publication number: 20120003474
    Abstract: The invention relates to a Radiation Curable Secondary Coating composition for use on an Optical Fiber. The Radiation Curable Secondary Coating composition is a urethane-free Alpha Oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an anhydride compound, (c) an epoxy-containing compound, (d) optionally an extender compound, and (e) optionally a catalyst. The invention also relates to a coated wire and to a coated optical fiber.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 5, 2012
    Inventors: Wendell Wayne Cattron, Steven R. Schmid, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
  • Patent number: 7750060
    Abstract: The invention relates to a radiation curable composition including a polyester urethane (meth)acrylate oligomer prepared from ortho-carboxylic polyester polyols, where the composition, after cure, has a secant modulus greater than about 600 MPa and an elongation at break of at least about 10%. The invention also relates to coated optical fibers and optical fiber ribbon including at least one coating derived from this composition, and to a process of making these coated optical fibers.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: July 6, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Edward P. Zahora, Anthony J. Tortorello, Edward J. Murphy, Anthony F. Toussaint, Timothy P. Reichert, Kelly A. Hawkinson
  • Publication number: 20100124398
    Abstract: A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising: A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising at least one radiation-curable oligomer wherein said at least one radiation curable oligomer is a fatty-acid modified epoxy acrylate; at least one ethylenenic unsaturated reactive diluent; wherein said oligomer(s) and diluent(s) are selected from the group that does not include moieties with Urethane chemistry. This composition, when tested, is found to have resistance to thermal degradation as measured by less than 10% weight loss after exposure of cured specimens in a natural convection furnace for 100 hours at 180° C.
    Type: Application
    Filed: November 3, 2009
    Publication date: May 20, 2010
    Applicant: DSM IP ASSETS B.V.
    Inventors: Edward J. MURPHY, Timothy Bishop, Steven R. Schmid
  • Patent number: 7660505
    Abstract: An optical fiber comprising a flame retardant UV light-curable tight-buffer coating coated onto the fiber, wherein said tight-buffer coating is substantially halogen-free, and has a limiting oxygen index of at least about 22%, and wherein said tight-buffer coating is removable from said fiber with a strip-force of less than about 1800 grams when the fiber is upjacketed with said coating at a line speed of at least 300 m/min.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: February 9, 2010
    Assignee: DSM IP Assets, B.V.
    Inventors: David M. Chase, Kenneth Dake, Kelly A. Hawkinson, Jack Kelly, Edward J. Murphy
  • Publication number: 20080241535
    Abstract: The invention relates to a Radiation Curable Secondary Coating composition for use on an Optical Fiber. The Radiation Curable Secondary Coating composition is a urethane-free Alpha Oligomer prepared by reaction of the following: (a) an acrylate compound selected from an alcohol-containing acrylate or alcohol-containing methacrylate compound, (b) an anhydride compound, (c) an epoxy-containing compound, (d) optionally an extender compound, and (e) optionally a catalyst. The invention also relates to a coated wire and to a coated optical fiber.
    Type: Application
    Filed: December 13, 2007
    Publication date: October 2, 2008
    Inventors: Wendell Wayne CATTRON, Steven R. Schmid, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello