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

Roger D. Johnson

Google: 8 patents #3,235 of 22,993Top 15%
RIRupp Industries: 2 patents #1 of 6Top 20%
GPGte Products: 1 patents #520 of 928Top 60%
Asheville, NC: #35 of 539 inventorsTop 7%
North Carolina: #4,231 of 45,564 inventorsTop 10%
Overall (All Time): #427,331 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6588140 Pest control system Thomas T. Danley 2003-07-08
6141901 Pest control system Thomas T. Danley 2000-11-07
5538748 Process for mixing fluid materials Jack K. Boatman, John T. Farnsworth, Linda A. Young 1996-07-23
5486049 Apparati for mixing fluid substances Jack K. Boatman, John T. Farnsworth, Linda A. Young 1996-01-23
5443092 Fluid flow valve device and assemblies containing it John T. Farnsworth 1995-08-22
5238385 Extrusion die assembly 1993-08-24
5165949 Process for producing extruded food products John T. Farnsworth, Gary W. Obrecht, Linda A. Young 1992-11-24
5120554 Method for producing extruded center filled products John T. Farnsworth, Gary W. Obrecht, Linda A. Young 1992-06-09
5110276 Extrusion die assembly John T. Farnsworth, Gary W. Obrecht, Linda A. Young 1992-05-05
5067645 Apparatus for sizing elongated food pieces 1991-11-26
4779634 Apparatus for rinsing food particles in a container Daphne Gutierrez 1988-10-25
4244483 Electrical wiring box Claude J. Bauer 1981-01-13