1
Dilip N Shah, James Thompson Beals, John Joseph Marcin Jr, Stephen Douglas Murray: Cores for use in precision investment casting. United Technologies Corporation, McCormick Paulding & Huber, October 28, 2003: US06637500 (89 worldwide citation)

Concepts for fabricating improved cores for investment casting are described. The cores are composite which include refractory metal elements and ceramic elements. The refractory metal elements are provided to enhance the mechanical properties of the core and/or to permit the fabrication of cores ha ...


2
John Joseph Marcin Jr, Justin Andreas Neutra, David Henry Abbott, James Peter Aduskevich, Dilip M Shah, Dorothea Nadette Carraway, Raymond Paul Langevin, Marc R Sauerhoefer, Richard Alan Stone: Crack free metallic articles. United Technologies Corporation, John E Whitman Breed Abbott & Morgan Boyd Esq, August 15, 2000: US06103402 (24 worldwide citation)

A containerless method of producing a crack free metallic article of near-net shape includes melting a filler material into a metallic substrate or seed under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam is operated at a relatively low power densit ...


3
John Joseph Marcin Jr, Justin Andreas Neutra, David Henry Abbott, James Peter Aduskevich, Dilip M Shah, Dorothea Nadette Carraway, Raymond Paul Langevin, Marc R Sauerhoefer, Richard Alan Stone: Method of repairing metallic articles by energy beam deposition with reduced power density. United Technologies Corporation, Brooks Haidt Haffner & Delahunty, June 22, 1999: US05914059 (22 worldwide citation)

A filler material is melted into a metallic substrate having a defect under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam is operated at a relatively low power density and at a relatively large diameter for an extended length of time to produce a mo ...


4
John Joseph Marcin Jr, Justin Andreas Neutra, David Henry Abbott, James Peter Aduskevich, Dilip M Shah, Dorothea Nadette Carraway, Raymond Paul Langevin, Marc R Sauerhoefer, Richard Alan Stone: Containerless method of producing crack free metallic articles by energy beam deposition with reduced power density. United Technologies Corporation, Brooks Haidt Haffner & Delahunty, May 4, 1999: US05900170 (21 worldwide citation)

A containerless method of producing a crack free metallic article of near-net shape includes melting a filler material into a metallic substrate or seed under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam is operated at a relatively low power densit ...


5
Steven J Bullied, Carl R Verner, John Joseph Marcin, Tracy A Propheter Hinckley: Hybrid core assembly for a casting process. United Technologies Corporation, Carlson Gaskey & Olds PC, November 6, 2012: US08302668 (16 worldwide citation)

A hybrid core assembly for a casting process includes a ceramic core portion, a first refractory metal core portion and a first plate positioned between the ceramic core portion and the first refractory metal core portion. The ceramic core portion includes a first trough. A portion of the refractory ...


6
Kirk C Newton, Alan D Cetel, Mario P Bochiechio, James T Beals, John Joseph Marcin: Casting system for investment casting process. United Technologies Corporation, Carlson Gaskey & Olds, November 3, 2015: US09174271 (10 worldwide citation)

A casting system includes a core and a shell positioned relative to the core. A barrier coating is applied on at least one of the core and the shell, and may be applied to both the core and the shell. The barrier coating limits reaction between the casting system and a casting alloy.


7
Lea Kennard Castle, John Joseph Marcin, Steven J Bullied, Mario P Bochiecchio, Kevin W Chittenden, Carl R Verner: Rapid manufacturing method. United Technologies Corporation, Carlson Gaskey & Olds, October 22, 2013: US08561668 (3 worldwide citation)

A rapid manufacturing method includes forming tooling in a rapid manufacturing process. The tooling is coated with a conductive material.


8
Steven J Bullied, John Joseph Marcin, Dorothea C Wong: Die casting system and method utilizing sacrificial core. United Technologies Corporation, Carlson Gaskey & Olds, August 19, 2014: US08807198 (2 worldwide citation)

A method for die casting a component includes inserting at least one sacrificial core into a die cavity of a die comprised of a plurality of die elements. Molten metal is injected into the die cavity. The molten metal is solidified within the die cavity to form the component. The plurality of die el ...


9
Ryan B Noraas, Steven J Bullied, Mark F Bartholomew, John F Blondin, John Joseph Marcin: Investment technique for solid mold casting of reticulated metal foams. United Technologies Corporation, Bachman & LaPointe P C, October 17, 2017: US09789534 (1 worldwide citation)

A method to manufacture reticulated metal foam includes coating a precursor in a molten wax to increase ligament thickness; and investment coating the molten wax coated precursor with a ceramic plaster.


10
Steven J Bullied, John Joseph Marcin, Mario P Bochiechio: High temperature directionally solidified and single crystal die casting. United Technologies Corporation, Kinney & Lange P A, May 6, 2014: US08714235 (1 worldwide citation)

A high-temperature die casting die includes a first die plate with a first recess and a second die plate with a second recess, the first and second recesses defining a main part cavity and gating. A grain selector is in fluid communication with the main cavity, and an in situ zone refining apparatus ...