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

John Roberts — 5 Patents

RTX (Raytheon): 2 patents #5,352 of 15,912Top 35%
CACrystal Fibre A/S: 1 patents #20 of 31Top 65%
TSThe University Of Sheffield: 1 patents #43 of 262Top 20%
Bolton, CT: #16 of 83 inventorsTop 20%
Connecticut: #8,579 of 34,797 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Roberts has been granted 5 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1985 and the most recent in April 2008. John Roberts ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Roberts in Bolton, CT, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7366388 Hollow-core optical fiber and method of making same Hendrik Sabert, Brian Mangan, Lance W. Farr 2008-04-29
6925880 Apparatus and method for measuring the acoustic properties of a membranophone 2005-08-09
5797114 Method and apparatus for mapping of semiconductor materials Ian Leslie Freeston, Richard Charles Tozer, Anthony Charles Gorvin, Ian Christopher Mayes, Francois Jean Djamdjl +1 more 1998-08-18
5293775 Gas turbine engine test cell Terry A. Clark, Mark W. Peszko, George L. Muller, John P. Nikkanen 1994-03-15 $4,981,000
4534216 Method and apparatus for determining the accuracy of wind tunnel test data Anthony Fasano, David L. Motycka 1985-08-13 $5,768,000