Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137694 | Industrial solid detergent dispenser and cleaning system | Henry A. Snyder, Sherwood A. Bergseid, Thomas H. Indieke | 1992-08-11 |
| 5033649 | Chemical solution dispensing and handling system | Wendell D. Burch | 1991-07-23 |
| 4999124 | Solid block chemical dispenser for cleaning systems | — | 1991-03-12 |
| 4938893 | Detersive systems and low foaming aqueous surfactant solutions containing a mono (C.sub.1-4 alkyl)-di(C.sub.6-20 alkyl)-amine oxide compound | Daniel J. Donovan | 1990-07-03 |
| 4921627 | Detersive system and low foaming aqueous surfactant solutions containing a mono(C.sub.1-4 alkyl)-di(C.sub.6-20) alkylamine oxide compound | Daniel J. Donovan | 1990-05-01 |
| 4845965 | Method and apparatus for dispensing solutions | Daniel F. Brady | 1989-07-11 |
| 4826661 | Solid block chemical dispenser for cleaning systems | David L. Nystuen, Lambertus P. van Dijk, deceased, by Father Peter, administrator Snyder | 1989-05-02 |
| RE32818 | Cast detergent-containing article and method of using | Peter J. Fernholz, Richard C. Penttila | 1989-01-03 |
| RE32763 | Cast detergent-containing article and method of making and using | Peter J. Fernholtz, Richard C. Penttila | 1988-10-11 |
| 4769159 | Institutional softener containing cationic surfactant and organic acid | — | 1988-09-06 |
| 4725376 | Method of making solid cast alkaline detergent composition | — | 1988-02-16 |
| 4711738 | Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent and a source of active halogen | — | 1987-12-08 |
| 4690305 | Solid block chemical dispenser for cleaning systems | — | 1987-09-01 |
| 4594175 | Mechanical dishwashing rinse composition having a low foaming sulfonic acid rinsing agent, a hydrotrope and a source of active halogen | — | 1986-06-10 |
| 4571327 | Solid cast detergent dispenser with insert for holding noncompatible chemical | Spencer B. Larson, Richard H. Johnson, Thomas L. Hennemann | 1986-02-18 |
| 4569781 | Cast detergent-containing article and method of using | Peter J. Fernholz, Richard C. Penttila | 1986-02-11 |
| 4569780 | Cast detergent-containing article and method of making and using | Peter J. Fernholz, Richard C. Penttila | 1986-02-11 |
| 4426362 | Solid block detergent dispenser | Peter J. Fernholz, Spencer B. Larson, Duane L. Salmonson, Michael D. Weick | 1984-01-17 |