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

Ray J. Van Thyne — 4 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
MCMaterial Science Co.: 3 patents #13 of 75Top 20%
Oak Lawn, IL: #45 of 201 inventorsTop 25%
Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,298,649 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5148080 Incandescent lamp filament incorporating hafnium 1992-09-15
4394422 Bonded structure and process of making same John J. Rausch 1983-07-19
4372995 Process of making surface alloyed parts John J. Rausch 1983-02-08
4242420 Selective chromizing in a molten lead medium John J. Rausch 1980-12-30