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USPTO Patent Rankings Data through Dec 31, 2025
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Frederick Erickson — 4 Patents

EHEhco: 3 patents #1 of 3Top 35%
Des Moines, IA: #150 of 657 inventorsTop 25%
Iowa: #3,794 of 15,303 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Frederick Erickson has been granted 4 US patents while listed as an inventor at Ehco. The first was granted in 1983 and the most recent in December 2024. Frederick Erickson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Frederick Erickson in Des Moines, IA, US.

Patents per Year

Patents granted per year, 1983 to 2024Bar chart with a peak of 2 patents in 1986.peak 21983: 1 patents19831986: 2 patents19862024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12171800 Lyophilized formulation Joan Connolly, Madhav Kamat, Jennifer Wasserman, James Zabrecky 2024-12-24
D285401 Barbeque unit 1986-09-02
4582041 Insulated barbeque unit 1986-04-15
4418678 Insulated barbeque unit 1983-12-06