CK

Calvin E. Kelly

US United States Steel: 7 patents #2 of 309Top 1%
📍 Murrysville, PA: #134 of 521 inventorsTop 30%
🗺 Pennsylvania: #11,794 of 74,527 inventorsTop 20%
Overall (All Time): #769,887 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
RE31959 Sealing means for a coke oven chuck door Richard W. Stanley 1985-07-30
4327635 Indexable marking wheel Robert A. Wilshire 1982-05-04
4322101 Adjustable spring latch for coke oven doors or the like Thomas E. Nicely 1982-03-30
4304413 Seal for the gas offtake piping of a coke oven Paul E. Champagne, Thomas E. Nicely 1981-12-08
4261797 Coke oven door and support apparatus therefor 1981-04-14
4226679 Latch mechanism for coke oven doors Thomas E. Nicely 1980-10-07
4216062 Sealing means for a coke oven chuck door Richard W. Stanley 1980-08-05