Inventor · disambiguated record
Donald R. Spink
Also filed as: SPINK DONALD R
22 granted patents·683 citations·filing 1974–1993
97Inventor score
Files withTURBOTAK INC9UNIV WATERLOO4ALPINE PLANT FOODS LIMITED2AMAX SPECIALITY METAL CORP2TURBOTAK TECHNOLOGIES INC2
Top patents by PatentIndex Score
22 records- 0193US3966460AReduction of metal halidesAMAX SPECIALITY METAL CORP·Filed 1974·Granted Jun 29, 1976·48 cites·2 claims
- 0290US5565180AMethod of treating gasesTURBOTAK INC·Filed 1991·Granted Oct 15, 1996·80 cites·68 claims
- 0389US4893752ASpray nozzle designTURBOTAK INC·Filed 1988·Granted Jan 16, 1990·61 cites·5 claims
- 0488US5439509AStripping method and apparatusTURBOTAK INC·Filed 1993·Granted Aug 8, 1995·50 cites·30 claims
- 0588US3966458ASeparation of zirconium and hafniumAMAX SPECIALITY METAL CORP·Filed 1974·Granted Jun 29, 1976·33 cites·13 claims
- 0686US5364604ASolute gas-absorbing procedureTURBOTAK TECHNOLOGIES INC·Filed 1992·Granted Nov 15, 1994·60 cites·13 claims
- 0782US4067703AGas scrubber and method of operationDULLIEN FRANCIS A L·Filed 1974·Granted Jan 10, 1978·38 cites·11 claims
- 0881US4963329AGas reacting apparatus and methodTURBOTAK INC·Filed 1988·Granted Oct 16, 1990·50 cites·23 claims
- 0979US4865817AGas reacting apparatusUNIV WATERLOO·Filed 1987·Granted Sep 12, 1989·40 cites·3 claims
- 1078US5028410AHydrometallurgical production of zinc oxide from roasted zinc concentratesMATERIAL CONCEPTS RESEARCH LIM·Filed 1990·Granted Jul 2, 1991·22 cites·12 claims
- 1177US5192517AGas reacting methodTURBOTAK INC·Filed 1991·Granted Mar 9, 1993·34 cites·25 claims
- 1272US4778520AProcess for leaching zinc from partially desulfurized zinc concentrates by sulfuric acidUNIV WATERLOO·Filed 1987·Granted Oct 18, 1988·18 cites·36 claims
- 1370US4889694ARecovery of zinc values from zinc and iron-bearing sulfide materialsUNIV WATERLOO·Filed 1988·Granted Dec 26, 1989·16 cites·46 claims
- 1467US5170942ASpray nozzle designTURBOTAK TECHNOLOGIES INC·Filed 1991·Granted Dec 15, 1992·41 cites·20 claims
- 1563US4950313AFine dust removal deviceUNIV WATERLOO·Filed 1989·Granted Aug 21, 1990·26 cites·11 claims
- 1662US5114460AProduction of low-chloride alkali metal phosphatesALPINE PLANT FOODS LIMITED·Filed 1991·Granted May 19, 1992·15 cites·24 claims
- 1752US5055124AProduction of low-chloride fertilizersALPINE PLANT FOODS LIMITED·Filed 1989·Granted Oct 8, 1991·8 cites·16 claims
- 1851US5023064AMethod for removing sulfur oxideTURBOTAK INC·Filed 1989·Granted Jun 11, 1991·14 cites·15 claims
- 1943US5362464AMethod for removing sulfur oxidesTURBOTAK INC·Filed 1991·Granted Nov 8, 1994·10 cites·19 claims
- 2043US5025989ASpray nozzle designTURBOTAK INC·Filed 1989·Granted Jun 25, 1991·10 cites·3 claims
- 2135US5017346AProcess for treating zinc oxide bearing materialsECOLOMICS INC·Filed 1988·Granted May 21, 1991·4 cites·16 claims
- 2233USRE34586ESpray nozzle designTURBOTAK INC·Filed 1991·Granted Apr 19, 1994·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →