Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Donald C. Eiler — 4 Patents

RTX (Raytheon): 4 patents #2,978 of 15,912Top 20%
South Windsor, CT: #156 of 420 inventorsTop 40%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Donald C. Eiler has been granted 4 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1981 and the most recent in November 2008. Donald C. Eiler ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Donald C. Eiler in South Windsor, CT, US.

Patents per Year

Patents granted per year, 1981 to 2008Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811983: 1 patents19832005: 1 patents20052008: 1 patents2008

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7454894 Supplemental oil cooler airflow for gas turbine engine Michael J. Larkin 2008-11-25 $29,591,000
6837038 Variable cycle boost propulsor Michael J. Larkin 2005-01-04 $61,673,000
4401269 Lobe mixer for gas turbine engine 1983-08-30 $3,266,000
4302934 Lobed mixer/inverter Thomas A. Wynosky, Jerrold R. Blatt 1981-12-01 $2,612,000