Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

James P. Downs — 30 Patents

RTX (Raytheon): 15 patents #670 of 15,912Top 5%
FTFlorida Turbine Technologies: 13 patents #9 of 95Top 10%
A(Alstom (Switzerland): 1 patents #78 of 235Top 35%
AMAmerican Axle & Manufacturing: 1 patents #198 of 345Top 60%
South Lyon, MI: #12 of 510 inventorsTop 3%
Michigan: #2,170 of 86,293 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
James P. Downs has been granted 30 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1997 and the most recent in August 2020. James P. Downs ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list James P. Downs in South Lyon, MI, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10739233 CAES combustor test facility Joseph D Brostmeyer, Russell B Jones 2020-08-11
10209146 Apparatus and process for determining a convective heat transfer coefficient between a moving fluid and a bounding surface Christopher Rawlings, Phillip M Redman, Bryan Bernier 2019-02-19
9991763 Gas turbine engine with multiple electric generators Robert L. Memmen 2018-06-05
9500237 Power transmitting component with twin-fork actuator 2016-11-22 $6,522,000
8858161 Multiple staged compressor with last stage airfoil cooling John E Ryznic, Joseph D Brostmeyer 2014-10-14
8556576 Cooled IBR for a micro-turbine Jack W. Wilson, Jr., John E Ryznic 2013-10-15
8556578 Spring loaded compliant seal for high temperature use Robert L. Memmen, John A Fedock 2013-10-15
8454310 Compressor blade with tip sealing 2013-06-04
8322988 Air cooled turbine airfoil with sequential impingement cooling John A Fedock 2012-12-04
8317475 Turbine airfoil with micro cooling channels 2012-11-27
8167537 Air cooled turbine airfoil with sequential impingement cooling William L Plank, John A Fedock 2012-05-01
8096766 Air cooled turbine airfoil with sequential cooling 2012-01-17
8061988 Process for conjugate CFD analysis of a turbine airfoil Christopher Rawlings, Kenneth K. Landis 2011-11-22
7871245 Method for forming turbine blade with angled internal ribs Edward F. Pietraszkiewicz, Irwin D. Singer 2011-01-18 $20,568,000
7866947 Turbine blade trip strip orientation Edward F. Pietraszkiewicz 2011-01-11 $15,646,000
7862325 Apparatus for forming turbine blade with angled internal ribs Edward F. Pietraszkiewicz, Irwin D. Singer 2011-01-04 $32,446,000
7632071 Cooled turbine blade Robert A. Charbonneau, Shawn J. Gregg, Wesley Harris, Natalya Khandros, Jeffrey R. Levine +7 more 2009-12-15 $39,373,000
7569172 Method for forming turbine blade with angled internal ribs Edward F. Pietraszkiewicz, Irwin D. Singer 2009-08-04 $60,940,000
7534085 Gas turbine engine with contoured air supply slot in turbine rotor Edward F. Pietraszkiewicz 2009-05-19 $93,528,000
7419363 Turbine blade with ceramic tip 2008-09-02
7371048 Turbine blade trailing edge construction Norman Roeloffs, Edward F. Pietraszkiewicz, David M. Kontrovitz, Takao Fukuda 2008-05-13 $77,111,000
7334992 Turbine blade cooling system Norman Roeloffs, Edward F. Pietraszkiewicz 2008-02-26 $19,828,000
6634859 Apparatus and process for impingement cooling of a component exposed to heat in a flow power machine Bernhard Weigand 2003-10-21 $191,000
6280140 Method and apparatus for cooling an airfoil Friedrich Soechting, William A. Kvasnak, Thomas A. Auxier, William H. Calhoun, Douglas A. Hayes 2001-08-28 $80,414,000
6247896 Method and apparatus for cooling an airfoil Thomas A. Auxier, William S. Kvasnak, Friedrich Soechting, William H. Calhoun, Douglas A. Hayes 2001-06-19 $52,395,000