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

Harry Couch — 5 Patents

General Motors: 2 patents #6,303 of 18,328Top 35%
Beavercreek, OH: #110 of 522 inventorsTop 25%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Harry Couch has been granted 5 US patents while listed as an inventor at General Motors. The first was granted in 1995 and the most recent in April 2020. Harry Couch ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Harry Couch in Beavercreek, OH, US.

Patents per Year

Patents granted per year, 1995 to 2020Bar chart with a peak of 2 patents in 1995.peak 21995: 2 patents19952018: 1 patents20182020: 2 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10633722 Multi-phase covetic and methods of synthesis thereof Michael Dennis Braydich, Louis A. Luedtke 2020-04-28
10633723 Multi-phase covetic and methods of synthesis thereof Michael Dennis Braydich, Louis A. Luedtke 2020-04-28
10072319 Multi-phase covetic and methods of synthesis thereof Michael Dennis Braydich, Louis A. Luedtke 2018-09-11
5392840 Method of casting fail-safe composite metal structure Mark R. Morgan 1995-02-28
5385421 Fail-safe composite-cast metal structure Mark R. Morgan 1995-01-31