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

John W. Davern

GEGemcor Engineering: 7 patents #5 of 28Top 20%
North Tonawanda, NY: #35 of 212 inventorsTop 20%
New York: #20,336 of 115,490 inventorsTop 20%
Overall (All Time): #767,256 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5248074 Five axis riveter and system Thomas H. Speller, Sr., Jeffrey P. Weaver, Mark Andrews 1993-09-28
4966323 Five axis riveter and system Thomas H. Speller, Sr., Jeffrey P. Weaver, Mark Andrews 1990-10-30
4864702 Five axis riveter Thomas H. Speller, Sr., Jeffery P. Weaver, Mark Andrews 1989-09-12
4819856 Method and apparatus for inserting fasteners Frank T. Mazurik 1989-04-11
4645112 Riveting machine Daniel D. Cook 1987-02-24
4609134 Jet guide rivet injector 1986-09-02
4515302 Riveting machine Daniel D. Cook 1985-05-07