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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel Kallestad — 9 Patents

Microsoft: 1 patents #24,968 of 40,388Top 65%
Blue Earth, MN: #1 of 13 inventorsTop 8%
Minnesota: #8,400 of 52,454 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Daniel Kallestad has been granted 9 US patents while listed as an inventor at Microsoft. The first was granted in 1981 and the most recent in July 2010. Daniel Kallestad ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Daniel Kallestad in Blue Earth, MN, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7761349 Grain aeration systems and techniques 2010-07-20
7472070 Grain aeration systems and techniques 2008-12-30 $27,759,000
7243857 Grain aeration systems and techniques 2007-07-17
7240029 Grain aeration systems and techniques 2007-07-03
7004401 System and method for regulating agriculture storage facilities in order to promote uniformity among separate storage facilities 2006-02-28
4688332 Method and apparatus for aeration of stored grain Kenneth I. Satre 1987-08-25
4522335 Method and apparatus for aeration of stored grain Bruce A. Kress, Kenneth I. Satre 1985-06-11
4306490 Fan mount for grain drying and storage bin David Barr 1981-12-22
4281489 Floor support for grain drying and storage bin David Barr 1981-08-04