David W. Cawlfield
65Patents
17h-index
31Co-inventors
84Inventor score
Filing activity: Jun 1, 1982 → Jun 13, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5519605A | Model predictive control apparatus and method | Physics | 257 | Expired |
| US4468428A | Hydrophilic microfibrous absorbent webs | Emerging Cross-Sectional Technologies | 132 | Expired |
| US5084148A | Electrochemical process for producing chloric acid - alkali metal chlorate mixtures | Emerging Cross-Sectional Technologies | 96 | Expired |
| US5106465A | Electrochemical process for producing chlorine dioxide solutions from chlorites | Chemistry; Metallurgy | 92 | Expired |
| US5092970A | Electrochemical process for producing chlorine dioxide solutions from chlorites | Chemistry; Metallurgy | 61 | Expired |
| US5185693A | Method and apparatus for providing backup process control | Physics | 59 | Expired |
| US5254227A | Process for removing catalyst impurities from polyols | Performing Operations; Transporting | 53 | Expired |
| US5223103A | Electrochemical process for producing chloric acid-alkali metal chlorate mixtures | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5294319A | High surface area electrode structures for electrochemical processes | Chemistry; Metallurgy | 44 | Expired |
| US5282935A | Electrodialytic process for producing an alkali solution | Chemistry; Metallurgy | 41 | Expired |
| US6088630A | Automatic control system for unit operation | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5084149A | Electrolytic process for producing chlorine dioxide | Chemistry; Metallurgy | 29 | Expired |
| US5376240A | Process for the removal of oxynitrogen species for aqueous solutions | Chemistry; Metallurgy | 21 | Expired |
| US5041196A | Electrochemical method for producing chlorine dioxide solutions | Chemistry; Metallurgy | 20 | Expired |
| US5158658A | Electrochemical chlorine dioxide generator | Chemistry; Metallurgy | 19 | Expired |
| US5298280A | Process for producing an electrode by electroless deposition | Chemistry; Metallurgy | 19 | Expired |
| US5167777A | Process and apparatus for the removal of oxyhalide species from aqueous solutions | Chemistry; Metallurgy | 18 | Expired |
| US5108560A | Electrochemical process for production of chloric acid from hypochlorous acid | Chemistry; Metallurgy | 17 | Expired |
| US5401477A | Process for producing solid manganese dioxide | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5411643A | Integrated process of using chloric acid to separate zinc oxide and manganese oxide | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4761216A | Multilayer electrode | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4770756A | Electrolytic cell apparatus | Chemistry; Metallurgy | 14 | Expired |
| US4740287A | Multilayer electrode electrolytic cell | Chemistry; Metallurgy | 13 | Expired |
| US5354435A | Effluent treatment in a process for producing chlorine dioxide from chloric acid | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5322604A | Electrolytic cell and electrodes therefor | Chemistry; Metallurgy | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.