David R. Pack — 19 Patents at RTX (Raytheon)

David R. Pack has been granted 19 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 2005 and the most recent in September 2025. David R. Pack ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list David R. Pack in Youngberg, AZ, US.

Patents per Year

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Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12404775	Turbine blade with cooling channels	Griffin D. Lavine, Brandon W. Spangler	2025-09-02
12281595	Turbine blade with boomerang shaped wall cooling passages	Brandon W. Spangler, Jaime G. Ghigliotty Rosado	2025-04-22
12173618	Airfoils with lobed cooling cavities	Brandon W. Spangler	2024-12-24	$59,680,000
12000305	Airfoil with ribs defining shaped cooling channel	Brandon W. Spangler	2024-06-04	$49,664,000
11970954	Airfoil with rib having connector arms	Brandon W. Spangler	2024-04-30	$42,591,000
11952911	Airfoil with connecting rib	Brandon W. Spangler, JinQuan Xu	2024-04-09	$53,452,000
11905849	Cooling schemes for airfoils for gas turbine engines	Brandon W. Spangler	2024-02-20	$34,652,000
11629602	Cooling schemes for airfoils for gas turbine engines	Brandon W. Spangler	2023-04-18	$39,537,000
11480059	Airfoil with rib having connector arms	Brandon W. Spangler	2022-10-25	$35,885,000
11286793	Airfoil with ribs having connector arms and apertures defining a cooling circuit	Brandon W. Spangler	2022-03-29	$22,312,000
11209221	Modified shaped heat exchanger inlets/outlets	Brandon W. Spangler, William P. Stillman	2021-12-28	$27,995,000
11149550	Blade neck transition	Brandon W. Spangler	2021-10-19	$21,771,000
10954799	Gas turbine engine blade with variable density and wide chord tip	Pitchaiah Vijay Chakka, James D. Hill	2021-03-23	$34,025,000
10871074	Blade/vane cooling passages	Brandon W. Spangler	2020-12-22	$100,262,000
10378453	Method and assembly for reducing secondary heat in a gas turbine engine	Gabriel L. Suciu, Julian Partyka, James D. Hill	2019-08-13	$15,256,000
10378364	Modified structural truss for airfoils	Brandon W. Spangler, Edwin Otero	2019-08-13	$15,256,000
10316671	Gas turbine engine blade with variable density and wide chord tip	Pitchaiah Vijay Chakka, James D. Hill	2019-06-11	$12,104,000
9719363	Segmented rim seal spacer for a gas turbine engine	Julian Partyka, James D. Hill, Gabriel L. Suciu, Gregory M. Dolansky, Brian D. Merry	2017-08-01	$15,134,000
6974308	High effectiveness cooled turbine vane or blade	Steve Halfmann, Yong Weon Kim, Mark C. Morris, Milton Ortiz, Craig A. Wilson	2005-12-13	$27,506,000

David R. Pack — 19 Patents

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