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Charles Ringhofer — 2 Patents

RERed Devil Equipment: 2 patents #8 of 13Top 65%
Wayzata, MN: #112 of 278 inventorsTop 45%
Minnesota: #24,068 of 52,454 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Charles Ringhofer has been granted 2 US patents while listed as an inventor at Red Devil Equipment. The first was granted in 2012 and the most recent in June 2013. Charles Ringhofer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Charles Ringhofer in Wayzata, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8465199 Multi-size mixer Aaron Curtis, Stephen John Carlson, Benjamin Johnson, Brent Thomas Harrold, Thomas J. Midas 2013-06-18
8157436 Multi-size mixer Aaron Curtis, Stephen John Carlson, Benjamin Johnson, Brent Thomas Harrold, Thomas J. Midas 2012-04-17

Frequent Collaborators

Stephen John Carlson2 shared
Benjamin Johnson2 shared
Aaron Curtis2 shared
Thomas J. Midas2 shared
Brent Thomas Harrold2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2