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

Lien N. Parrish — 3 Patents

UCUnion Carbide: 2 patents #417 of 1,402Top 30%
UTUcar Carbon Technology: 1 patents #28 of 62Top 50%
Parma Heights, OH: #26 of 99 inventorsTop 30%
Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,665,589 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5047372 Alloyed powder and method of preparing same Lionel C. Montgomery 1991-09-10
4749556 Process for producing boron nitride Charles C. Chase 1988-06-07
4592882 Method of making aluminum-resistant titanium diboride articles 1986-06-03