Inventor · disambiguated record
Raymond M. Hemphill
Also filed as: HEMPHILL RAYMOND M
8 granted patents·256 citations·filing 1986–1996
90Inventor score
Top patents by PatentIndex Score
8 records- 0191US5268044AHigh strength, high fracture toughness alloyCARPENTER TECHNOLOGY CORP·Filed 1991·Granted Dec 7, 1993·58 cites·27 claims
- 0287US5866066AAge hardenable alloy with a unique combination of very high strength and good toughnessCRS HOLDINGS INC·Filed 1996·Granted Feb 2, 1999·35 cites·24 claims
- 0387US5087415AHigh strength, high fracture toughness structural alloyCARPENTER TECHNOLOGY CORP·Filed 1990·Granted Feb 11, 1992·44 cites·29 claims
- 0484US5002729ACase hardenable corrosion resistant steel alloy and article made therefromCARPENTER TECHNOLOGY CORP·Filed 1989·Granted Mar 26, 1991·34 cites·20 claims
- 0583US4832909ALow cobalt-containing maraging steel with improved toughnessCARPENTER TECHNOLOGY CORP·Filed 1988·Granted May 23, 1989·32 cites·28 claims
- 0675US4886640AHot work tool steel with good temper resistanceCARPENTER TECHNOLOGY CORP·Filed 1988·Granted Dec 12, 1989·24 cites·23 claims
- 0766US5370750ACorrosion resistant, martensitic steel alloyCRS HOLDINGS INC·Filed 1993·Granted Dec 6, 1994·18 cites·20 claims
- 0850US4853181AHot work tool steelWERT DAVID E·Filed 1986·Granted Aug 1, 1989·11 cites·10 claims
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