Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ME

Marc Allan Eichmeyer

BOBOE: 25 patents #731 of 12,373Top 6%
Bondurant, IA: #3 of 29 inventorsTop 15%
Iowa: #329 of 15,303 inventorsTop 3%
Overall (All Time): #130,839 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
7829273 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Greg Nitzel, Merrill Lynn Schaeffer 2010-11-09
7829101 PCV2 immunogenic compositions and methods of producing such compositions Greg Nitzel, Merrill Lynn Schaeffer 2010-11-09
7700285 PCV2 immunogenic compositions and methods of producing such compositions Greg Nitzel, Merrill Lynn Schaeffer 2010-04-20
7550270 Ileitis diagnostic assay Jeremy Kroll, Michael B. Roof 2009-06-23