Hansen; Gerald D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hansen; Gerald D..The latest application filed is for "metal corrosion inhibition in closed cooling systems".
- Hansen; Gerald D. - Holicong PA
| Patent | Date |
|---|---|
| Metal corrosion inhibition in closed cooling systems Grant 4,728,452 - Hansen March 1, 1 | 1988-03-01 |
| Method and composition for inhibiting corrosion in aqueous heat transfer systems Grant 4,642,221 - Hansen , et al. February 10, 1 | 1987-02-10 |
| Bleaching aid Grant 3,956,165 - Hansen , et al. May 11, 1 | 1976-05-11 |
| Method of enhancing the hypochlorite bleaching of pulp Grant 3,878,037 - Hansen , et al. April 15, 1 | 1975-04-15 |
| Apparatus And Method For Testing The Amount Of Deposition In An Aqueous System Grant 3,757,210 - Hansen , et al. September 4, 1 | 1973-09-04 |
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