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

Robert Portillo — 10 Patents

WIWillat: 4 patents #2 of 9Top 25%
WTWillat Ergonomic Technologies: 3 patents #2 of 6Top 35%
GOGovino: 1 patents #5 of 7Top 75%
Glendale, CA: #102 of 1,191 inventorsTop 9%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Robert Portillo has been granted 10 US patents while listed as an inventor at Willat. The first was granted in 2001 and the most recent in March 2015. Robert Portillo ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Robert Portillo in Glendale, CA, US.

Patents per Year

Patents granted per year, 2001 to 2015Bar chart with a peak of 4 patents in 2004.peak 42001: 1 patents20012003: 3 patents20032004: 4 patents20042011: 1 patents20112015: 1 patents2015

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D724898 Beer glass Boyd I. Willat, Amber R. Willat, Barbara Heizer, Joseph T. Perrulli 2015-03-24
8069536 Conformable pod for a manual implement Boyd I. Willat, Adrian Cordova, Gary D. Delgado 2011-12-06
D492413 Dental tool Boyd I. Willat, Adrian Cordova 2004-06-29
D490106 Fountain pen Boyd I. Willat, Paul Bob Velic, Jeffrey M. Garcia, Mark Kulik 2004-05-18
D489085 Pen Boyd I. Willat, Paul Bob Velick, Jeffrey M. Garcia 2004-04-27
D486911 Dental tool Boyd I. Willat, Adrian Cordova 2004-02-17
D481070 Curved pen clip Boyd I. Willat, Jeff Garcia 2003-10-21
D478742 Pen display Boyd I. Willat, Adrian Cordova, Jeffrey M. Garcia 2003-08-26
D474809 Pen with curved clip and angular glass tipped bottom Boyd I. Willat, Jeff Garcia, John G. Wong 2003-05-20
D451549 Writing instrument grip and body Boyd I. Willat, Paul Bob Velik, Ted Caligiuri, Jeff Garcia, Rio Di Angelo 2001-12-04