Inventor · disambiguated record
Alfred D. Hill
Also filed as: HILL ALFRED · HILL ALFRED D
9 granted patents·168 citations·filing 1974–1987
89Inventor score
Top patents by PatentIndex Score
9 records- 0178US4360208ASegmented annular lip sealGLACIER METAL CO LTD·Filed 1979·Granted Nov 23, 1982·29 cites·15 claims
- 0272US4387770AProcess for selective injection into a subterranean formationMARATHON OIL CO·Filed 1980·Granted Jun 14, 1983·41 cites·7 claims
- 0369US4622463ATwo-pulse tracer ejection method for determining injection profiles in wellsUNIV TEXAS·Filed 1983·Granted Nov 11, 1986·35 cites·10 claims
- 0468US3982796AThrust bearingsGLACIER METAL CO LTD·Filed 1974·Granted Sep 28, 1976·19 cites·7 claims
- 0564US4561502AOil recovery process using a polyacrylamide gelMARATHON OIL CO·Filed 1983·Granted Dec 31, 1985·19 cites·12 claims
- 0655US4621386AScraper ringsAE PLC·Filed 1984·Granted Nov 11, 1986·14 cites·21 claims
- 0733US4548272AOil recovery process using a polymer gelMARATHON OIL CO·Filed 1983·Granted Oct 22, 1985·4 cites·10 claims
- 0832US4724746ATilting bearing pads for improved lubricationAE PLC·Filed 1987·Granted Feb 16, 1988·4 cites·21 claims
- 0930US4473117AMethod and apparatus for obtaining production or injection profilesMARATHON OIL CO·Filed 1982·Granted Sep 25, 1984·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →