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

Peter Christianson — 8 Patents

MAMac: 1 patents #12 of 23Top 55%
Orr, MN: #8 of 94 inventorsTop 9%
Minnesota: #9,348 of 52,454 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Peter Christianson has been granted 8 US patents while listed as an inventor at Mac. The first was granted in 1986 and the most recent in November 2025. Peter Christianson ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Peter Christianson in Orr, MN, US.

Patents per Year

Patents granted per year, 1986 to 2020Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861988: 1 patents19881993: 1 patents19932003: 1 patents20032007: 1 patents20072009: 1 patents20092020: 1 patents2020

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12467221 Loader with auxiliary motor on attachment interface and attachment therefore Thomas G. Lykken 2025-11-11
10731321 Compact articulated-steering loader Thomas G. Lykken 2020-08-04
7552979 Track system for a ground engaging vehicle 2009-06-30
7222924 Track system for a ground engaging vehicle 2007-05-29
6517173 Endless track system Jack Oberlander 2003-02-11
5240084 Converter assembly for converting a drive-wheel tractor into a track-driven tractor 1993-08-31
D293582 Combined mixer and pump for hog feed slurry 1988-01-05
D286332 Combined hog trough feeder and divider 1986-10-21