Inventor · disambiguated record
Richard E. Hills
Also filed as: HILLS RICHARD E
9 granted patents·120 citations·filing 1977–1982
89Inventor score
Top patents by PatentIndex Score
9 records- 0163US4403460AMethod of erecting an elevated tank using formworkPITTSBURGH DES MOINES CORP·Filed 1981·Granted Sep 13, 1983·24 cites·14 claims
- 0261US4130217ASeal arrangement for floating roof storage tanksPITTSBURGH DES MOINES STEEL·Filed 1977·Granted Dec 19, 1978·21 cites·24 claims
- 0357US4450855ARemovable condensate collector for elevated water storage facilitiesPITTSBURGH DES MOINES CORP·Filed 1982·Granted May 29, 1984·15 cites·14 claims
- 0454US4134515AEmergency roof drain for floating roof storage tanksPITTSBURGH DES MOINES STEEL·Filed 1977·Granted Jan 16, 1979·19 cites·19 claims
- 0546US4225055AInsulation for double wall tanksPITTSBURGH DES MOINES STEEL·Filed 1979·Granted Sep 30, 1980·13 cites·16 claims
- 0635US4173291AFloating roof sealPITTSBURGH DES MOINES STEEL·Filed 1978·Granted Nov 6, 1979·7 cites·20 claims
- 0732US4214671AFloating roof drainage systemPITTSBURGH DES MOINES STEEL·Filed 1978·Granted Jul 29, 1980·10 cites·39 claims
- 0830US4339052ASecondary seal for floating roof storage tanksPITTSBURGH DES MOINES CORP·Filed 1981·Granted Jul 13, 1982·5 cites·10 claims
- 0927US4402422AField adjustable sealPITTSBURGH DES MOINES CORP·Filed 1981·Granted Sep 6, 1983·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →