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Home › Rolls-Royce Plc › John E. Hatfield

JH

John E. Hatfield — 5 Patents

Rolls-Royce Plc: 5 patents #489 of 2,886Top 20%

Hamilton, BM: #22 of 185 inventorsTop 15%

Overall (All Time): #907,971 of 4,157,543Top 25%

5 Patents All Time

John E. Hatfield has been granted 5 US patents while listed as an inventor at Rolls-Royce Plc. The first was granted in 1991 and the most recent in January 1998. John E. Hatfield ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John E. Hatfield in Hamilton, BM.

Patents per Year

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5704211	Gas turbine engine with radial diffuser	—	1998-01-06
5626018	Gas turbine engine	—	1997-05-06
5564898	Gas turbine engine and a diffuser therefor	Stephen J. Richards, Gabriel Simmonds	1996-10-15
5232385	Gas turbine powered ship	—	1993-08-03
5059091	Gas turbine engine compressor assembly	—	1991-10-22

John E. Hatfield — 5 Patents

Patents per Year

Issued Patents All Time

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