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

Greg Nitzel

BOBOE: 12 patents #1,698 of 12,373Top 15%
Mattawan, MI: #8 of 90 inventorsTop 9%
Michigan: #7,642 of 86,293 inventorsTop 9%
Overall (All Time): #420,383 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9101561 Multivalent PCV2 immunogenic compositions and methods of producing such compositions Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer 2015-08-11
9011868 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2015-04-21
8119143 Multivalent PCV2 immunogenic compositions and methods of producing such compositions Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer 2012-02-21
8025888 PCV2 immunogenic compositions and methods of producing such compositions Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2011-09-27
7968285 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2011-06-28
7910306 PCV2 immunogenic compositions and methods of producing such compositions Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2011-03-22
7838214 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-11-23
7838213 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-11-23
7833707 Methods of overexpression and recovery of porcine circovirus type 2 ORF2 Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-11-16
7829273 Use of a PCV2 immunogenic composition for lessening clinical symptoms in pigs Michael B. Roof, Phillip Wayne Hayes, Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-11-09
7829101 PCV2 immunogenic compositions and methods of producing such compositions Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-11-09
7700285 PCV2 immunogenic compositions and methods of producing such compositions Marc Allan Eichmeyer, Merrill Lynn Schaeffer 2010-04-20