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

Michael Shepherd — 6 Patents

WMWallace Murray: 5 patents #2 of 31Top 7%
Indianapolis, IN: #1,019 of 5,011 inventorsTop 25%
Indiana: #6,140 of 33,936 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Michael Shepherd has been granted 6 US patents while listed as an inventor at Wallace Murray. The first was granted in 1981 and the most recent in July 1989. Michael Shepherd ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Michael Shepherd in Indianapolis, IN, US.

Patents per Year

Patents granted per year, 1981 to 1989Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811982: 1 patents19821983: 1 patents19831984: 1 patents19841986: 1 patents19861989: 1 patents1989

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4850388 Double valve for emptying a cylinder 1989-07-25
4573559 Subway electric motor and fan construction 1986-03-04
4441598 Modulated viscous fan drive 1984-04-10
4403757 Modulating fluid shear coupling 1983-09-13
4341130 Dust and oil slinger Robert C. Bremer, Jr. 1982-07-27
4302986 Plastic hub torsional vibration damper 1981-12-01