Cawlfield; David. W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cawlfield; David. W..The latest application filed is for "electrode coating".

Company Profile

3.30.7

Cawlfield; David. W. - Clayton MO
Cawlfield; David W. - Athens TN
Cawlfield; David W. - Cleveland TN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electrode Coating App 20220243338 - Cawlfield; David. W. ; et al.	2022-08-04
Storage And Transport System And Method For Solid Sodium Hypochlorite Pentahydrate App 20220048542 - White; William K. ; et al.	2022-02-17
Solid Bleach And Processes For Making Solid Bleach App 20210024354 - Cawlfield; David W. ; et al.	2021-01-28
Solid Bleach And Processes For Making Solid Bleach App 20210024355 - Cawlfield; David W. ; et al.	2021-01-28
Sodium hypochlorite compositions Grant 10,836,636 - Cawlfield , et al. November 17, 2	2020-11-17
Sodium Hypochlorite Compositions App 20180141808 - Cawlfield; David W. ; et al.	2018-05-24
Sodium hypochlorite composition and method of storing and transporting sodium hypochlorite Grant 9,434,616 - Cawlfield , et al. September 6, 2	2016-09-06
Sodium Hypochlorite Composition And Method Of Storing And Transporting Sodium Hypochlorite App 20140117278 - Cawlfield; David W. ; et al.	2014-05-01
Automatic control system for unit operation Grant 6,088,630 - Cawlfield July 11, 2	2000-07-11
Model predictive control apparatus and method Grant 5,519,605 - Cawlfield May 21, 1	1996-05-21
Water ionizing electrode and electrochemical process for using Grant 5,415,759 - Cawlfield , et al. May 16, 1	1995-05-16
Integrated process of using chloric acid to separate zinc oxide and manganese oxide Grant 5,411,643 - Cawlfield , et al. May 2, 1	1995-05-02
Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate Grant 5,391,268 - Kaczur , et al. February 21, 1	1995-02-21
Process for the removal of oxynitrogen species for aqueous solutions Grant 5,376,240 - Kaczur , et al. December 27, 1	1994-12-27
Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation Grant 5,348,683 - Kaczur , et al. * September 20, 1	1994-09-20
Process for producing chlorine dioxide Grant 5,342,601 - Cawlfield , et al. August 30, 1	1994-08-30
Electrolytic cell Grant 5,340,457 - Ford , et al. August 23, 1	1994-08-23
High surface area electrode structures for electrochemical processes Grant 5,294,319 - Kaczur , et al. March 15, 1	1994-03-15
Electrodialytic process for producing an alkali solution Grant 5,282,935 - Cawlfield , et al. February 1, 1	1994-02-01
Process of using chloric acid to separate zinc oxide and manganese oxide Grant 5,279,743 - Ward , et al. January 18, 1	1994-01-18
Process for removing catalyst impurities from polyols Grant 5,254,227 - Cawlfield , et al. October 19, 1	1993-10-19
Electrochemical process for producing chloric acid-alkali metal chlorate mixtures Grant 5,223,103 - Kazcur , et al. June 29, 1	1993-06-29
Method and apparatus for providing backup process control Grant 5,185,693 - Loftis , et al. February 9, 1	1993-02-09
Process and apparatus for the removal of oxyhalide species from aqueous solutions Grant 5,167,777 - Kaczur , et al. December 1, 1	1992-12-01
Electrochemical chlorine dioxide generator Grant 5,158,658 - Cawlfield , et al. October 27, 1	1992-10-27
Electrochemical process for production of chloric acid from hypochlorous acid Grant 5,108,560 - Cawlfield , et al. * April 28, 1	1992-04-28
Electrochemical process for producing chlorine dioxide solutions from chlorites Grant 5,106,465 - Kaczur , et al. April 21, 1	1992-04-21
Electrochemical process for producing chlorine dioxide solutions from chlorites Grant 5,092,970 - Kaczur , et al. March 3, 1	1992-03-03
Electrochemical process for producing chlorine dioxide from chloric acid Grant 5,089,095 - Cawlfield , et al. February 18, 1	1992-02-18
Electrolytic process for producing chlorine dioxide Grant 5,084,149 - Kaczur , et al. * January 28, 1	1992-01-28
Electrochemical process for producing chloric acid - alkali metal chlorate mixtures Grant 5,084,148 - Kazcur , et al. January 28, 1	1992-01-28
Electrochemical method for producing chlorine dioxide solutions Grant 5,041,196 - Cawlfield , et al. August 20, 1	1991-08-20
Sodium hydrosulfite electrolytic cell process control system Grant 4,857,158 - Cawlfield August 15, 1	1989-08-15
Sodium hydrosulfite electrolytic cell process control system Grant 4,836,903 - Cawlfield June 6, 1	1989-06-06
Multilayer electrode electrolytic cell Grant 4,740,287 - Cawlfield April 26, 1	1988-04-26
Hydrophilic microfibrous absorbent webs Grant 4,468,428 - Early , et al. August 28, 1	1984-08-28

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