Inventor · disambiguated record
Calvin E. Kelly
Also filed as: KELLY CALVIN E
8 granted patents·76 citations·filing 1975–1980
86Inventor score
Top patents by PatentIndex Score
8 records- 0184US4125438AGuiding means for coke oven doorsUNITED STATES STEEL CORP·Filed 1977·Granted Nov 14, 1978·31 cites·8 claims
- 0255US4322101AAdjustable spring latch for coke oven doors or the likeUNITED STATES STEEL CORP·Filed 1979·Granted Mar 30, 1982·13 cites·5 claims
- 0350US4216062ASealing means for a coke oven chuck doorUNITED STATES STEEL CORP·Filed 1979·Granted Aug 5, 1980·6 cites·6 claims
- 0444US4327635AIndexable marking wheelUNITED STATES STEEL CORP·Filed 1980·Granted May 4, 1982·11 cites·7 claims
- 0543US4226679ALatch mechanism for coke oven doorsUNITED STATES STEEL CORP·Filed 1979·Granted Oct 7, 1980·4 cites·2 claims
- 0631US4090599AMethod and apparatus for permanent marking of metalKELLY CALVIN E·Filed 1975·Granted May 23, 1978·5 cites·18 claims
- 0729US4261797ACoke oven door and support apparatus thereforUNITED STATES STEEL CORP·Filed 1980·Granted Apr 14, 1981·1 cites·7 claims
- 0826US4304413ASeal for the gas offtake piping of a coke ovenUNITED STATES STEEL CORP·Filed 1980·Granted Dec 8, 1981·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →