RY

Russell L. Yeckley

KE Kennametal: 20 patents #32 of 844Top 4%
SC Saint-Gobain/Norton Industrial Ceramics: 8 patents #3 of 103Top 3%
NO Norton: 4 patents #44 of 343Top 15%
KP Kennametal Pc: 1 patents #20 of 58Top 35%
📍 Latrobe, PA: #2 of 169 inventorsTop 2%
🗺 Pennsylvania: #1,560 of 74,527 inventorsTop 3%
Overall (All Time): #108,445 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5508241 Silicon nitride bearing ball having a high rolling contact fatigue life 1996-04-16
5503926 Hipped silicon nitride having a reduced reaction layer Glenn Sundberg 1996-04-02
5480846 Borosilicate glass Glenn Sundberg 1996-01-02
5330937 Boron suboxide material and method for its preparation Cristan Ellison-Hayashi, Morteza Zandi, Dinesh K. Shetty, Peter Kuo, Frank J. Csillag 1994-07-19
5118646 Process for improving the strength of sialon Kerry N. Siebein, Claude H. Brown 1992-06-02
5096864 Process of spray drying sialon 1992-03-17
4904624 Silicon nitride with improved high temperature strength 1990-02-27
4563433 Ceramic material and method of manufacture Bernard North 1986-01-07