Inventor · disambiguated record
Raymond D. Symens
Also filed as: SYMENS RAYMOND D
7 granted patents·144 citations·filing 1974–2003
87Inventor score
Top patents by PatentIndex Score
7 records- 0180US6730234B2Method for regeneration of used halide fluidsTETRA TECH·Filed 2002·Granted May 4, 2004·63 cites·46 claims
- 0278US3962051AAtmospheric leaching of matte containing ironAMAX INC·Filed 1974·Granted Jun 8, 1976·20 cites·10 claims
- 0374US3959097ASelenium rejection during acid leaching of matteAMAX INC·Filed 1975·Granted May 25, 1976·15 cites·7 claims
- 0472US7087209B2Method for producing a halide brineTETRA TECH·Filed 2003·Granted Aug 8, 2006·8 cites·10 claims
- 0568US4263148AProcess for removing humic matter from phosphoric acid solutionsEARTH SCIENCES INC·Filed 1979·Granted Apr 21, 1981·19 cites·11 claims
- 0657US6036937AMethod for producing zinc bromideTETRA TECH·Filed 1998·Granted Mar 14, 2000·13 cites·17 claims
- 0745US4094754ALeaching of Ni-Cu-Fe-S matteAMAX INC·Filed 1977·Granted Jun 13, 1978·6 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →