Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric J. Grant — 3 Patents

TSTi Group Automotive Systems: 2 patents #33 of 121Top 30%
Royal Oak, MI: #434 of 1,428 inventorsTop 35%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Eric J. Grant has been granted 3 US patents while listed as an inventor at Ti Group Automotive Systems. The first was granted in 1997 and the most recent in November 2014. Eric J. Grant ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Eric J. Grant in Royal Oak, MI, US.

Patents per Year

Patents granted per year, 1997 to 2014Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19972013: 1 patents20132014: 1 patents2014

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8875493 Reactant delivery for engine exhaust gas treatment Thaddeus A. Chmielewski, Antonio J. DaSilva, David H. Ford, Peter P. Kuperus, Glenn A. Moss +1 more 2014-11-04
8359831 Reactant delivery for engine exhaust gas treatment Thaddeus A. Chmielewski, Antonio J. DaSilva, David H. Ford, Peter P. Kuperus, Glenn A. Moss +1 more 2013-01-29
5617836 Engine control system for producing and responding to an index of maturity of adaptive learing Michael John Cullen, Robert Matthew Marzonie, Alan Robert Dona, Ronald A Yannone, Jr. 1997-04-08 $18,700,000