Inventor · disambiguated record
David W. Cawlfield
Also filed as: CAWLFIELD DAVID W · WOODARD KENNETH E
64 granted patents·4 pending applications·2,202 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
68 records- 0198US5519605AModel predictive control apparatus and methodOLIN CORP·Filed 1994·Granted May 21, 1996·376 cites·69 claims
- 0298US5106465AElectrochemical process for producing chlorine dioxide solutions from chloritesOLIN CORP·Filed 1990·Granted Apr 21, 1992·135 cites·20 claims
- 0398US5092970AElectrochemical process for producing chlorine dioxide solutions from chloritesOLIN CORP·Filed 1989·Granted Mar 3, 1992·98 cites·19 claims
- 0496US5084148AElectrochemical process for producing chloric acid - alkali metal chlorate mixturesOLIN CORP·Filed 1990·Granted Jan 28, 1992·139 cites·16 claims
- 0595US4468428AHydrophilic microfibrous absorbent websPROCTER & GAMBLE·Filed 1982·Granted Aug 28, 1984·189 cites·24 claims
- 0692US5294319AHigh surface area electrode structures for electrochemical processesOLIN CORP·Filed 1993·Granted Mar 15, 1994·56 cites·17 claims
- 0792US5282935AElectrodialytic process for producing an alkali solutionOLIN CORP·Filed 1992·Granted Feb 1, 1994·81 cites·7 claims
- 0891US5223103AElectrochemical process for producing chloric acid-alkali metal chlorate mixturesOLIN CORP·Filed 1991·Granted Jun 29, 1993·64 cites·11 claims
- 0991US5084149AElectrolytic process for producing chlorine dioxideOLIN CORP·Filed 1991·Granted Jan 28, 1992·58 cites·26 claims
- 1089US5376240AProcess for the removal of oxynitrogen species for aqueous solutionsOLIN CORP·Filed 1993·Granted Dec 27, 1994·68 cites·37 claims
- 1188US4740287AMultilayer electrode electrolytic cellOLIN CORP·Filed 1987·Granted Apr 26, 1988·35 cites·18 claims
- 1287US5041196AElectrochemical method for producing chlorine dioxide solutionsOLIN CORP·Filed 1989·Granted Aug 20, 1991·32 cites·15 claims
- 1386US6088630AAutomatic control system for unit operationOLIN CORP·Filed 1998·Granted Jul 11, 2000·70 cites·7 claims
- 1486US5354435AEffluent treatment in a process for producing chlorine dioxide from chloric acidOLIN CORP·Filed 1992·Granted Oct 11, 1994·31 cites·13 claims
- 1586US5298280AProcess for producing an electrode by electroless depositionOLIN CORP·Filed 1991·Granted Mar 29, 1994·42 cites·17 claims
- 1686US5185693AMethod and apparatus for providing backup process controlOLIN CORP·Filed 1992·Granted Feb 9, 1993·90 cites·19 claims
- 1785US5254227AProcess for removing catalyst impurities from polyolsOLIN CORP·Filed 1991·Granted Oct 19, 1993·69 cites·25 claims
- 1885US5158658AElectrochemical chlorine dioxide generatorOLIN CORP·Filed 1990·Granted Oct 27, 1992·38 cites·20 claims
- 1982US4761216AMultilayer electrodeOLIN CORP·Filed 1987·Granted Aug 2, 1988·27 cites·28 claims
- 2080US4857158ASodium hydrosulfite electrolytic cell process control systemOLIN CORP·Filed 1989·Granted Aug 15, 1989·25 cites·15 claims
- 2179US2025154672A1Electrode coatings containing nanomaterials or microfibersOLIN CORP·Filed 2024·Application pending·0 cites
- 2278US4770756AElectrolytic cell apparatusOLIN CORP·Filed 1987·Granted Sep 13, 1988·24 cites·15 claims
- 2375US5415759AWater ionizing electrode and electrochemical process for usingOLIN CORP·Filed 1993·Granted May 16, 1995·21 cites·8 claims
- 2475US5064514AApparatus for the production of chloric acidOLIN CORP·Filed 1990·Granted Nov 12, 1991·23 cites·12 claims
- 2574US5322604AElectrolytic cell and electrodes thereforOLIN CORP·Filed 1992·Granted Jun 21, 1994·22 cites·20 claims
- 2672US9434616B2Sodium hypochlorite composition and method of storing and transporting sodium hypochloriteOLIN CORP·Filed 2013·Granted Sep 6, 2016·2 cites·13 claims
- 2772US5411643AIntegrated process of using chloric acid to separate zinc oxide and manganese oxideOLIN CORP·Filed 1994·Granted May 2, 1995·28 cites·13 claims
- 2871US4743350AElectrolytic cellOLIN CORP·Filed 1986·Granted May 10, 1988·14 cites·33 claims
- 2969US5108560AElectrochemical process for production of chloric acid from hypochlorous acidOLIN CORP·Filed 1990·Granted Apr 28, 1992·18 cites·12 claims
- 3068US5167777AProcess and apparatus for the removal of oxyhalide species from aqueous solutionsOLIN CORP·Filed 1990·Granted Dec 1, 1992·30 cites·30 claims
- 3168US5089095AElectrochemical process for producing chlorine dioxide from chloric acidOLIN CORP·Filed 1990·Granted Feb 18, 1992·17 cites·17 claims
- 3264US5248397AChlorine dioxide generation from chloric acid - alkali metal chlorate mixturesOLIN CORP·Filed 1992·Granted Sep 28, 1993·20 cites·51 claims
- 3363US5296108AElectrochemical process for generating chlorine dioxide using chloric acid-alkali metal chlorate mixturesOLIN CORP·Filed 1992·Granted Mar 22, 1994·15 cites·23 claims
- 3463US4892636AModular electrolytic cell and processing apparatusOLIN CORP·Filed 1988·Granted Jan 9, 1990·13 cites·31 claims
- 3562US5401477AProcess for producing solid manganese dioxideOLIN CORP·Filed 1994·Granted Mar 28, 1995·22 cites·8 claims
- 3662US5342601AProcess for producing chlorine dioxideOLIN CORP·Filed 1992·Granted Aug 30, 1994·16 cites·21 claims
- 3761US4836903ASodium hydrosulfite electrolytic cell process control systemOLIN CORP·Filed 1988·Granted Jun 6, 1989·11 cites·11 claims
- 3860US5264089AProduction of chlorine dioxide employing chloric acid - alkali metal chlorate mixturesOLIN CORP·Filed 1992·Granted Nov 23, 1993·15 cites·27 claims
- 3956US5510097AHydroxylammonium nitrate free of ammonium nitrateOLIN CORP·Filed 1994·Granted Apr 23, 1996·12 cites·14 claims
- 4055US2021024355A1Solid bleach and processes for making solid bleachOLIN CORP·Filed 2020·Application pending·0 cites
- 4154US5348683AChloric acid - alkali metal chlorate mixtures and chlorine dioxide generationOLIN CORP·Filed 1993·Granted Sep 20, 1994·13 cites·14 claims
- 4253US5599518ACatalytic process for chlorine dioxide generation from chloric acidOLIN CORP·Filed 1994·Granted Feb 4, 1997·11 cites·15 claims
- 4353US5242553AChloric acid-alkali metal chlorate mixtures for chlorine dioxide generationOLIN CORP·Filed 1992·Granted Sep 7, 1993·14 cites·27 claims
- 4453US4537937AChelating resin and process for making sameOLIN CORP·Filed 1984·Granted Aug 27, 1985·10 cites·27 claims
- 4552US5474654AProcess for gas phase delignifying wood pulp using chlorine dioxide at subatmospheric pressureOLIN CORP·Filed 1993·Granted Dec 12, 1995·10 cites·34 claims
- 4650US5213784AProcess for the production of high purity hydroxylammonium nitrateOLIN CORP·Filed 1992·Granted May 25, 1993·9 cites·5 claims
- 4749US5340457AElectrolytic cellOLIN CORP·Filed 1993·Granted Aug 23, 1994·7 cites·17 claims
- 4849US5242554AElectrolytic production of chloric acid and sodium chlorate mixtures for the generation of chlorine dioxideOLIN CORP·Filed 1992·Granted Sep 7, 1993·14 cites·24 claims
- 4948US5318762AProcess for treating aqueous solutions of hydroxylamine salts containing excess acidOLIN CORP·Filed 1992·Granted Jun 7, 1994·11 cites·15 claims
- 5047US2021024354A1Solid bleach and processes for making solid bleachOLIN CORP·Filed 2019·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →