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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas E. Steelman — 6 Patents

Northrop Grumman: 6 patents #257 of 2,250Top 15%
Torrance, CA: #391 of 2,137 inventorsTop 20%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Thomas E. Steelman has been granted 6 US patents while listed as an inventor at Northrop Grumman. The first was granted in 1996 and the most recent in December 1999. Thomas E. Steelman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Thomas E. Steelman in Torrance, CA, US.

Patents per Year

Patents granted per year, 1996 to 1999Bar chart with a peak of 3 patents in 1999.peak 31996: 1 patents19961998: 2 patents19981999: 3 patents1999

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5999408 Enhanced heat transfer in printed circuit boards Robert W. Koon 1999-12-07 $3,117,000
5898570 Enhanced heat transfer in printed circuit boards Robert W. Koon 1999-04-27 $9,567,000
5873973 Method for single filament transverse reinforcement in composite prepreg material Robert W. Koon 1999-02-23 $9,945,000
5852548 Enhanced heat transfer in printed circuit boards and electronic components thereof Robert W. Koon 1998-12-22 $7,371,000
5725707 Enhanced conductive joints from fiber flocking Robert W. Koon 1998-03-10 $19,992,000
5506293 Isotropic orientation of carbon fibers in resin matrix materials Robert W. Koon 1996-04-09 $1,232,000