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USPTO Patent Rankings Data through Dec 31, 2025
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John T. Eagan — 6 Patents

TLTroxler Electronic Laboratories: 6 patents #7 of 46Top 20%
Cary, NC: #979 of 3,681 inventorsTop 30%
North Carolina: #8,673 of 45,564 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John T. Eagan has been granted 6 US patents while listed as an inventor at Troxler Electronic Laboratories. The first was granted in 1994 and the most recent in August 2002. John T. Eagan ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John T. Eagan in Cary, NC, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6442232 Thin layer nuclear density gauge Robert Ernest Troxler, Wewage Hiran Linus Dep, Alfred W. Jordan 2002-08-27
6310936 Thin layer nuclear density guage Robert Ernest Troxler, Wewage Hiran Linus Dep, Alfred W. Jordan 2001-10-30
6000935 Adjustable apparatus for pyrolysis of a composite material and method of calibration therefor Ali Regimand, Lawrence H. James, Lawrence E. Peters 1999-12-14
5969261 Apparatus and method for measuring rutting susceptibility Donald K. McAlister 1999-10-19
5939642 Gyratory compactor Michael L. King, Donald K. McAlister 1999-08-17
5323655 Method and apparatus for compacting material samples Donald K. McAlister, David Minshall 1994-06-28