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

Alexander Chen — 14 Patents

RTX (Raytheon): 12 patents #899 of 15,912Top 6%
Oakland, CA: #455 of 4,380 inventorsTop 15%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Alexander Chen has been granted 14 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 2002 and the most recent in July 2012. Alexander Chen ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Alexander Chen in Oakland, CA, US.

Patents per Year

Patents granted per year, 2002 to 2012Bar chart with a peak of 4 patents in 2009.peak 42002: 1 patents20022005: 2 patents20052006: 1 patents20062008: 3 patents20082009: 4 patents20092011: 2 patents20112012: 1 patents2012

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8215117 Staging for rich catalytic combustion Meredith B. Colket, III 2012-07-10 $15,595,000
7882704 Flame stability enhancement 2011-02-08 $10,347,000
7867324 Fuel system and method of reducing emission Jeffrey M. Cohen 2011-01-11 $15,646,000
7582137 Fuel deoxygenator with non-planar fuel channel and oxygen permeable membrane Louis J. Spadaccini, Louis Chiappetta, Haralambos Cordatos 2009-09-01 $24,439,000
7546740 Nozzle Jeffrey M. Cohen 2009-06-16 $105,097,000
7537646 Fuel system and method of reducing emission Jeffrey M. Cohen 2009-05-26 $47,458,000
7509811 Multi-point staging strategy for low emission and stable combustion Donald Kendrick 2009-03-31 $18,369,000
7435283 Modular fuel stabilization system Thomas G. Tillman, Catalin G. Fotache, Louis J. Spadaccini, Foster P. Lamm, Zidu Ma +4 more 2008-10-14 $50,256,000
7393388 Spiral wound fuel stabilization unit for fuel de-oxygenation Louis J. Spadaccini, Harry Cordatos, Thomas G. Tillman, Louis Chiappetta, James R. Irish +2 more 2008-07-01 $76,681,000
7350357 Nozzle Catalin G. Fotache 2008-04-01 $43,085,000
7107772 Multi-point staging strategy for low emission and stable combustion Donald Kendrick 2006-09-19 $72,326,000
6962055 Multi-point staging strategy for low emission and stable combustion Donald Kendrick 2005-11-08 $175,290,000
6945532 Word game Jonathan Orner 2005-09-20
6447057 Folding lounge chair 2002-09-10