|
| US4592785 | 21 Feb 1985 | 3 Jun 1986 | General Electric Company | Proteinaceous soil removal process |
| US4779430 | 18 Oct 1985 | 25 Oct 1988 | Hitachi, Ltd. | Fully-automated washer |
| US4845965 | 23 Dic 1986 | 11 Jul 1989 | Ecolab Inc. | Method and apparatus for dispensing solutions |
| US4932227 | 21 Sep 1988 | 12 Jun 1990 | Lever Brothers Company | Apparatus and method for automatically injecting laundry treating chemicals into a commercial washing machine |
| US5014211 | 16 Jun 1989 | 7 May 1991 | Diversey Corporation | Microprocessor controlled liquid chemical delivery system and method |
| US5072473 | 28 Ene 1991 | 17 Dic 1991 | Hitachi, Ltd. | Full-automated washer |
| US5435157 | 27 Ene 1994 | 25 Jul 1995 | Sunburst Chemicals, Inc. | Laundry chemical dispenser |
| US5500050 | 15 Jul 1994 | 19 Mar 1996 | Diversey Corporation | Ratio feed detergent controller and method with automatic feed rate learning capability |
| US5746238 | 31 Mar 1995 | 5 May 1998 | Ecolab, Inc. | Liquid chemical dilution and dosing system |
| US5842599 | 10 Jun 1996 | 1 Dic 1998 | Diversey Lever, Inc. | Process and device for dosing detergent compositions |
| US6089242 | 10 Feb 1998 | 18 Jul 2000 | Babson Bros. Co. | Dairy harvesting facility wash system |
| US6240953 | 13 Abr 1999 | 5 Jun 2001 | Sunburst Chemicals, Inc. | Multiple cleaning chemical dispenser |
| US6463611 | 2 Abr 1999 | 15 Oct 2002 | Ecolab, Inc. | Apparatus for dispensing incompatible chemicals to a common utilization point |
| US6671914 | 20 Dic 2001 | 6 Ene 2004 | Maytag Corporation | Chemical sharing system and method for washing appliances |