Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David M. Steinke — 6 Patents

PLProcess Limited: 6 patents #1 of 10Top 10%
Baltimore, OH: #5 of 30 inventorsTop 20%
Ohio: #13,600 of 73,341 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David M. Steinke has been granted 6 US patents while listed as an inventor at Process Limited. The first was granted in 1991 and the most recent in December 1996. David M. Steinke ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David M. Steinke in Baltimore, OH, US.

Patents per Year

Patents granted per year, 1991 to 1996Bar chart with a peak of 3 patents in 1991.peak 31991: 3 patents19911992: 1 patents19921996: 2 patents1996

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5582906 Laminated headliner Floyd E. ROMESBERG 1996-12-10
5486256 Method of making a headliner and the like Floyd E. ROMESBERG 1996-01-23
5082716 Headliner Marshall G. Satterfield, Michael G. Blankenship 1992-01-21
5073429 Door panel Michael G. Blankenship, Marshall G. Satterfield, Philip D. Gardner, Sr. 1991-12-17
5007976 Method of making a headliner Marshall G. Satterfield, Michael G. Blankenship 1991-04-16
4996090 Door panel Michael G. Blankenship, Marshall G. Satterfield, Philip D. Gardner, Sr. 1991-02-26