Inventor · disambiguated record
Robert R. Annand
Also filed as: ANNAND ROBERT R
3 granted patents·81 citations·filing 1971–1975
73Inventor score
Files withPETROLITE CORP3
Top patents by PatentIndex Score
3 records- 0188US3996124AFlush mounted corrosion probe assembly for pipelinePETROLITE CORP·Filed 1975·Granted Dec 7, 1976·59 cites·3 claims
- 0269US3980449AInhibition of lead corrosionPETROLITE CORP·Filed 1974·Granted Sep 14, 1976·12 cites·22 claims
- 0355US3982894AMethod of inhibiting acidic corrosion of ferrous metals with polyquaternary amino polymersPETROLITE CORP·Filed 1971·Granted Sep 28, 1976·10 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →