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USPTO Patent Rankings Data through Dec 31, 2025
Home › Ecodyne › David W. Stackhouse
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David W. Stackhouse — 4 Patents

ECEcodyne: 1 patents #12 of 46Top 30%
REResearch-Cottrell: 1 patents #12 of 37Top 35%
Sebastopol, CA: #61 of 246 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David W. Stackhouse has been granted 4 US patents while listed as an inventor at Ecodyne. The first was granted in 1984 and the most recent in February 1990. David W. Stackhouse ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David W. Stackhouse in Sebastopol, CA, US.

Patents per Year

Patents granted per year, 1984 to 1990Bar chart with a peak of 2 patents in 1987.peak 21984: 1 patents19841987: 2 patents19871990: 1 patents1990

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4905313 Gas/liquid contact apparatus — 1990-02-27
4705653 Splash bar for cooling tower fill assembly Stephen C. Heidl 1987-11-10
4670197 Gas/liquid contact apparatus — 1987-06-02
4460521 Crossflow cooling tower fill section — 1984-07-17

Frequent Collaborators

Stephen C. Heidl1 shared

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