Inventor · disambiguated record
Raymond D. Prengaman
Also filed as: PRENGAMAN RAYMOND D
9 granted patents·196 citations·filing 1975–1991
90Inventor score
Top patents by PatentIndex Score
9 records- 0192US4229271AMethod of recovering lead values from battery sludgeRSR CORP·Filed 1979·Granted Oct 21, 1980·55 cites·11 claims
- 0283US4373654AMethod of manufacturing electrowinning anodeRSR CORP·Filed 1980·Granted Feb 15, 1983·38 cites·2 claims
- 0376US5172850AElectrowinning anode and method of manufactureRSR CORP·Filed 1991·Granted Dec 22, 1992·36 cites·2 claims
- 0475US3953244AMethod of fabricating stable wrought lead-calcium-tin alloys by means of cold workingST JOE MINERALS CORP·Filed 1975·Granted Apr 27, 1976·19 cites·35 claims
- 0561US4379062AThread sealing and lubricating compositionPRENGAMAN RAYMOND D·Filed 1981·Granted Apr 5, 1983·16 cites·6 claims
- 0652US4230545AProcess for reducing lead peroxide formation during lead electrowinningRSR CORP·Filed 1979·Granted Oct 28, 1980·8 cites·14 claims
- 0750US4376093ALow antimony alloyRSR CORP·Filed 1981·Granted Mar 8, 1983·10 cites·2 claims
- 0849US4439398AMethod of alloying calcium and aluminum into leadRSR CORP·Filed 1981·Granted Mar 27, 1984·7 cites·3 claims
- 0945US4236978AStable lead dioxide anode and method for productionRSR CORP·Filed 1980·Granted Dec 2, 1980·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →