Grant Madison — 2 Patents at Chart

Grant Madison has been granted 2 US patents while listed as an inventor at Chart. The first was granted in 2022 and the most recent in January 2025. Grant Madison ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Grant Madison in Owatonna, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12196478	Vaporizer with defrosting function	Paul Drube	2025-01-14
11346504	Cryogenic container with reserve pressure building chamber	—	2022-05-31

Grant Madison — 2 Patents

Issued Patents All Time

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