Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John T. Graef — 9 Patents

ISIntuitive Control Systems: 6 patents #1 of 5Top 20%
LCLutron Electronics Co.: 3 patents #213 of 433Top 50%
State College, PA: #125 of 1,195 inventorsTop 15%
Pennsylvania: #9,298 of 74,527 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John T. Graef has been granted 9 US patents while listed as an inventor at Intuitive Control Systems. The first was granted in 1989 and the most recent in August 2017. John T. Graef ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John T. Graef in State College, PA, US.

Patents per Year

Patents granted per year, 1989 to 2017Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891990: 1 patents19902010: 1 patents20102013: 1 patents20132014: 1 patents20142015: 1 patents20152016: 1 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9721027 Collection, monitoring, analyzing and reporting decay rate of traffic speed data via vehicle sensor devices placed at multiple remote locations Christopher Johnson, Jason S. Geiger 2017-08-01
9411893 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations to create traffic priority enforcement reports Christopher Johnson, Jason S. Geiger 2016-08-09
9070287 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Christopher Johnson, Jason S. Geiger 2015-06-30
8755990 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Christopher Johnson, Jason S. Geiger 2014-06-17
8417442 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Christopher Johnson, Jason S. Geiger 2013-04-09
7737912 Portable electronic display device with automatic lockout of message selection switches to prevent tampering with selected message Eric Kline, Philip R. Hall 2010-06-15
D311678 Selectable level lighting control faceplate Michael J. Rowen 1990-10-30
4835816 Twist-off knob 1989-06-06
4835343 Two piece face plate for wall box mounted device Elliot G. Jacoby, Joel S. Spira 1989-05-30