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USPTO Patent Rankings Data through Dec 31, 2025
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John Nellessen — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Castle Rock, CO: #105 of 429 inventorsTop 25%
Colorado: #9,021 of 40,980 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Nellessen has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1992 and the most recent in June 2022. John Nellessen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Nellessen in Castle Rock, CO, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11361892 Multipurpose permanent magnetic system 2022-06-14
11158446 Magnet release 2021-10-26
7557685 Mineral supplement cow magnet 2009-07-07
7183885 Ferrous fastener starter and ferrous object locator John Nellessen, Jr. 2007-02-27
5128644 Reusable combination cow magnet assembly and fluid treatment magnet 1992-07-07