Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JB

John Brewer — 4 Patents

RORosemount: 4 patents #125 of 629Top 20%
Victoria, MN: #40 of 95 inventorsTop 45%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Brewer has been granted 4 US patents while listed as an inventor at Rosemount. The first was granted in 2006 and the most recent in November 2010. John Brewer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Brewer in Victoria, MN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7844365 Field-mounted process device Eric D. Rotvold, Robert J. Karschnia, Marcos Peluso 2010-11-30 $169,481,000
7835295 Interface module with power over Ethernet function Eric D. Rotvold, Kelly M. Orth, Robert J. Karschnia, Philip Ostby, Donald R. Lattimer 2010-11-16 $83,774,000
7421531 Isolating system that couples fieldbus data to a network Eric D. Rotvold, Clarence Edward Holmstadt 2008-09-02 $81,411,000
7134354 Display for process transmitter Scott Nelson 2006-11-14 $63,908,000