1
Gianfranco Gabbianelli, Seetarama S Kotagiri, Richard Ashley: Hydroforming a tubular structure of varying diameter from a tubular blank made using electromagnetic pulse welding. Magna International, Pillsbury Winthrop, November 5, 2002: US06474534 (22 worldwide citation)

A method of hydroforming a tubular structure of varying diameter along its longitudinal axis, comprising the formation of a tubular blank member by welding together, at their periphery, tubes of different diameters using electromagnetic pulse welding.


2
Jeffrey Jay Mellis, Frank Gabbianelli, Erryn Leigh Langlois, Daniel Sulisz, Mark F Werner, Timothy W Skszek, Frank A Horton, Warren Young, Seetarama S Kotagiri, P Gregory Kiselis, Dewayne Dale Egle: Hybrid component. Magna International, Harness Dickey & Pierce, November 23, 2010: US07837230 (13 worldwide citation)

A hybrid component for lightweight, structural uses, including a steel member formed of a high strength steel; and a cast coupling member cast on a portion of the steel member by casting-in-place a semi-solid aluminum about the portion of the steel member, thereby positively and rigidly securing the ...


3
Mark F Werner, Timothy W Skszek, Frank A Horton, Warren Young, Seetarama S Kotagiri, Gregory P Kiselis, DeWayne Dale Egle, Gianfranco Gabbianelli, Jeffrey Jay Mellis, Erryn Leigh Langlois, Daniel Sulisz, Pascal P Charest, Eric deNijs, Ying Zhang, Ryan R Warpup, Dalip K Matharoo: Hybrid component. Magna International, Dicksinson Wright PLLC, July 30, 2013: US08496258 (7 worldwide citation)

A hybrid torsion beam axle assembly is provided, which includes a steel torsion beam. An end cap is fastened to an end portion of the steel torsion beam, and a cast trailing arm is cast about the end portion of the steel torsion beam including the end cap. In this way, the cast trailing arm is posit ...


4
Seetarama S Kotagiri, Timothy W Skszek, Frank A Horton, P Gregory Kiselis: Controlled pressure casting. Magna International, Harness Dickey & Pierce, October 5, 2010: US07806162 (5 worldwide citation)

A method of forming metal castings includes positioning a first end of a structural member in a first mold cavity and a second end of the structural member in a second mold cavity. The first and second mold cavities are fluidly coupled to a reservoir of molten metal. A main pressure is applied to th ...


5
Frank A Horton, Boris Shulkin, Bradford L Hastilow, Jim Metz, James R Judkins, Monty Hansen, Seetarama S Kotagiri, Andreas G Janssen: Hot stamping die apparatus. Magna International, Dickinson Wright PLLC, July 10, 2012: US08215147 (3 worldwide citation)

A hot forming die that includes a first die and a second die. The first die has a first die structure that is formed of a tool steel. The first die structure has a first die surface and a plurality of first cooling apertures. The first die surface has a complex shape. The first cooling apertures are ...


6
Gary Banasiak, James R Byrne II, Alexander Zak, Seetarama S Kotagiri: Scalable crush can for vehicle. Magna International, Dickinson Wright PLLC, July 14, 2015: US09079553 (2 worldwide citation)

In one aspect, the invention is directed to a crush can for a vehicle frame including a crush can body having a longitudinal axis and a cross-sectional shape that is at least approximately a 10-sided polygon. In another aspect, the invention is directed to a crush can for a vehicle frame including a ...


7
Gianfranco Gabbianelli, Seetarama S Kotagiri, Richard Ashley: Hydroforming a tubular structure of varying diameter from a tubular blank made using electromagnetic pulse welding. Pillsbury Winthrop, January 10, 2002: US20020003159-A1 (2 worldwide citation)

A method of hydroforming a tubular structure of varying diameter along its longitudinal axis, comprising the formation of a tubular blank member by welding together, at their periphery, tubes of different diameters using electromagnetic pulse welding.


8
Alexander Zak, Seetarama S Kotagiri, Frank A Horton: Explosion forming system. Cosma Engineering Europe, Millman IP, May 21, 2013: US08443641 (1 worldwide citation)

An explosion forming apparatus (10) that preferably utilizes a shock wave (42) directed along a work piece (12) to progressively conform the work piece to a contour die cavity (44).


9
Mark F Werner, Timothy W Skszek, Frank A Horton, Warren Young, Seetarama S Kotagiri, Gregory P Kiselis, DeWayne Dale Egle, Gianfranco Gabbianelli, Jeffrey Jay Mellis, Erryn Leigh Ashmore, Daniel Sulisz, Pascal P Charest, Eric deNijs, Ying Zhang, Ryan R Warpup, Dalip K Matharoo: Hybrid component. Magna International, Dickinson Wright PLLC, July 7, 2015: US09073403 (1 worldwide citation)

A hybrid torsion beam axle assembly is provided, which includes a steel torsion beam. An end cap is fastened to an end portion of the steel torsion beam, and a cast trailing arm is cast about the end portion of the steel torsion beam including the end cap. In this way, the cast trailing arm is posit ...


10
Seetarama S Kotagiri, Timothy W Skszek, Frank A Horton, Gregory P Kiselis: Controlled pressure casting. Magna International, Dickinson Wright PLLC, December 2, 2014: US08899624 (1 worldwide citation)

A method of forming metal castings, including positioning a first end of a structural member in a first mold cavity and a second end of the structural member in a second mold cavity. The first and second mold cavities being fluidly coupled to a reservoir of molten metal. Applying a main pressure to ...