Hann; William M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hann; William M..The latest application filed is for "corrosion inhibiting compositions".
- Hann; William M. - Gwynedd PA
- Hann; William M. - Gywnedd PA
- Hann; William M. - Pennsburg PA
- Hann; William M. - Roslyn PA
| Patent | Date |
|---|---|
| Corrosion inhibiting compositions Grant 6,646,082 - Ghosh , et al. November 11, 2 | 2003-11-11 |
| Process for inhibiting metallic corrosion in aqueous systems App 20030063998 - Ghosh, Tirthankar ; et al. | 2003-04-03 |
| Corrosion inhibiting compositions App 20030065116 - Ghosh, Tirthankar ; et al. | 2003-04-03 |
| Inhibiting metallic corrosion in aqueous systems App 20030063999 - Ghosh, Tirthankar ; et al. | 2003-04-03 |
| Process for treating aqueous systems App 20030035749 - Hann, William M. ; et al. | 2003-02-20 |
| Method of inhibiting corrosion in aqueous systems using poly(amino acids) Grant 5,531,934 - Freeman , et al. July 2, 1 | 1996-07-02 |
| Method for prevention of scale formation in aqueous systems Grant 5,516,432 - King , et al. May 14, 1 | 1996-05-14 |
| Method of stabilizing aqueous systems Grant 4,711,725 - Amick , et al. December 8, 1 | 1987-12-08 |
| Method of inhibiting scaling in aqueous systems with low molecular weight copolymers Grant 4,530,766 - Hann , et al. July 23, 1 | 1985-07-23 |
| Method of dispersing inorganic materials in aqueous systems with low molecular weight acrylic acid copolymers Grant 4,517,098 - Hann , et al. May 14, 1 | 1985-05-14 |
| Drilling fluid and method Grant 4,299,710 - Dupre , et al. November 10, 1 | 1981-11-10 |
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