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USPTO Patent Rankings Data through Dec 31, 2025
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David W. Cawlfield — 64 Patents

OLOlin: 63 patents #2 of 783Top 1%
The Procter & Gamble: 1 patents #8,775 of 10,297Top 90%
Athens, TN: #1 of 96 inventorsTop 2%
Tennessee: #83 of 20,272 inventorsTop 1%
Overall (All Time): #34,494 of 4,157,543Top 1%
64 Patents All Time
David W. Cawlfield has been granted 64 US patents while listed as an inventor at Olin. The first was granted in 1984 and the most recent in November 2020. David W. Cawlfield ranks #34,494 of 4,157,543 US inventors in our database (top 0.83%). Patent records list David W. Cawlfield in Athens, TN, US.

Issued Patents All Time

Showing 1–25 of 64 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10836636 Sodium hypochlorite compositions Randall Taylor Morris, Richard C. Ness, Leonard L. Scott, Sanders H. Moore, Awuri Priye Asuru 2020-11-17 $52,585,000
9434616 Sodium hypochlorite composition and method of storing and transporting sodium hypochlorite Randall Taylor Morris, Richard C. Ness, Leonard L. Scott, Sanders H. Moore, Awuri Priye Asuru 2016-09-06 $34,278,000
6088630 Automatic control system for unit operation 2000-07-11 $4,695,000
5651951 Hydroxylammonium nitrate free of ammonium nitrate Ronald L. Dotson, Harry J. Loftis, Sanders H. Moore, Robert T. Brooker, Jay S. Stirrat 1997-07-29 $12,400,000
5599518 Catalytic process for chlorine dioxide generation from chloric acid Jerry J. Kaczur, Sudhir K. Mendiratta, Kenneth E. Woodard, Jr. 1997-02-04 $9,131,000
5519605 Model predictive control apparatus and method 1996-05-21 $5,560,000
5510097 Hydroxylammonium nitrate free of ammonium nitrate Ronald L. Dotson, Harry J. Loftis, Sanders H. Moore, Robert T. Brooker, Jay S. Stirrat 1996-04-23 $3,569,000
5474654 Process for gas phase delignifying wood pulp using chlorine dioxide at subatmospheric pressure Sudhir K. Mendiratta 1995-12-12 $8,219,000
5415759 Water ionizing electrode and electrochemical process for using Jerry J. Kaczur 1995-05-16 $2,310,000
5411643 Integrated process of using chloric acid to separate zinc oxide and manganese oxide Leslie R. Ward 1995-05-02 $2,474,000
5409680 Purification of aqueous alkali metal chlorate solutions Jerry J. Kaczur, Julian F. Watson 1995-04-25 $2,432,000
5401477 Process for producing solid manganese dioxide Leslie R. Ward 1995-03-28 $4,820,000
5391268 Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate Jerry J. Kaczur, Kenneth E. Woodard, Jr., Elizabeth K. Muse 1995-02-21 $1,075,000
5376240 Process for the removal of oxynitrogen species for aqueous solutions Jerry J. Kaczur, Kenneth E. Woodard, Jr. 1994-12-27 $4,460,000
5354435 Effluent treatment in a process for producing chlorine dioxide from chloric acid Jerry J. Kaczur, Kenneth E. Woodard, Jr., Budd L. Duncan, Sudhir K. Mendiratta 1994-10-11 $2,595,000
5348683 Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation Jerry J. Kaczur, Kenneth E. Woodard, Jr., Budd L. Duncan 1994-09-20 $1,791,000
5342601 Process for producing chlorine dioxide Sudhir K. Mendiratta 1994-08-30 $1,247,000
5340457 Electrolytic cell James M. Ford 1994-08-23 $1,690,000
5322604 Electrolytic cell and electrodes therefor 1994-06-21 $1,203,000
5322598 Chlorine dioxide generation using inert load of sodium perchlorate Jerry J. Kaczur 1994-06-21 $1,203,000
5318762 Process for treating aqueous solutions of hydroxylamine salts containing excess acid Donald B. Loftis, Sanders H. Moore, Elizabeth K. Walter 1994-06-07 $1,061,000
5298280 Process for producing an electrode by electroless deposition Jerry J. Kaczur, Julian F. Watson 1994-03-29 $595,000
5296108 Electrochemical process for generating chlorine dioxide using chloric acid-alkali metal chlorate mixtures Jerry J. Kaczur, Kenneth E. Woodard, Jr., Budd L. Duncan 1994-03-22 $3,728,000
5294319 High surface area electrode structures for electrochemical processes Jerry J. Kaczur 1994-03-15 $1,721,000
5282935 Electrodialytic process for producing an alkali solution Jerry J. Kaczur 1994-02-01 $911,000