Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Peter Graves — 5 Patents

DCDirection Technology Co.: 2 patents #3 of 7Top 45%
HIHome Products International: 1 patents #10 of 17Top 60%
SPStc Plc: 1 patents #73 of 231Top 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Peter Graves has been granted 5 US patents while listed as an inventor at Direction Technology Co.. The first was granted in 1989 and the most recent in January 2009. Peter Graves ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Peter Graves in Great Dunmow, MA, GB.

Patents per Year

Patents granted per year, 1989 to 2009Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891991: 1 patents19911994: 1 patents19942004: 1 patents20042009: 1 patents2009

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7475507 Scented picture frame 2009-01-13 $24,852,000
6764148 Drawer latch mechanism Laura Morris, Shailesh Patel, Paul Mann, Michael Thuma, Ron Llanes 2004-07-20 $217,000
5374864 Electron multiplier with increased-area channel Raymond L. Roy, Thomas J. Loretz 1994-12-20
5030878 Electron multiplier with replaceable rear section Raymond L. Roy, Thomas J. Loretz, Jonathan W. Amy, George C. Stafford 1991-07-09
4884450 Sensor device John C. Greenwood, Rosamund C. Neat 1989-12-05